/* НЕВИДИМЫЙ СКРОЛЛБАР (ГЛОБАЛЬНО ДЛЯ ПК И МОБИЛЬНЫХ) */
::-webkit-scrollbar { display: none !important; width: 0 !important; height: 0 !important; background: transparent !important; }
* { box-sizing: border-box; margin: 0; padding: 0; scrollbar-width: thin; scrollbar-color: rgba(99, 102, 241, 0.5) transparent; }

body {
    min-height: 100vh; font-family: 'Segoe UI', Arial, sans-serif; color: white; 
    background: linear-gradient(135deg, #0f172a, #1e293b, #020617, #0f172a); 
    background-size: 400% 400%; animation: g 20s ease infinite; will-change: background-position;
    display: flex; justify-content: center; align-items: flex-start; 
    padding: 20px; position: relative; overflow-y: auto; overflow-x: hidden;
}
@keyframes g {0% {background-position: 0% 50%;} 50% {background-position: 100% 50%;} 100% {background-position: 0% 50%;}}
.container {width: 100%; text-align: center; position: relative; z-index: 10; margin: auto; padding: 40px 0;}

/* Новые стили для видеоконференций (взяты из design.html) */
.landing-title { font-size: 32px; margin-bottom: 40px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); text-align: center; color: white;}
.btn-modern {
    padding: 85px 60px; /* Увеличили внутренние отступы сверху и снизу */
    min-height: 80px;   /* Задали фиксированную минимальную высоту, чтобы они стали прямоугольными */
    border-radius: 20px; /* Чуть скруглили края для эстетики больших кнопок */
    border: none; font-size: 19px; font-weight: bold;
    cursor: pointer; transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1); color: white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4); margin: 40px; width: 100%; max-width: 380px;
    display: flex; justify-content: center; align-items: center; gap: 12px;
}
.btn-modern:active { transform: scale(0.96); }
.btn-green { background: linear-gradient(135deg, #10b981, #059669); }
.btn-green:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(16, 185, 129, 0.4); }
.btn-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.btn-blue:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4); }
.back-btn-top-left {
    position: fixed; /* Было absolute, стало fixed */
    top: 20px; 
    left: 20px; /* Если кнопка нужна именно справа, поменяйте left на right */
    background: rgba(255,255,255,0.1); 
    border: 1px solid rgba(255,255,255,0.2);
    color: white; 
    padding: 10px 20px; 
    border-radius: 12px; 
    cursor: pointer; 
    font-size: 15px; 
    font-weight: bold; 
    transition: 0.3s; 
    z-index: 10000; /* Увеличили z-index, чтобы не перекрывалась */
}
.back-btn-top-left:hover { background: rgba(255,255,255,0.2); }

/* Базовые инпуты */
.inputs-wrapper {display: flex; flex-direction: column; align-items: center;}
.input-box {width: 100%; max-width: 460px; height: 72px; background: rgba(245, 224, 0, 0.97); border: none; border-radius: 22px; padding: 0 30px; font-size: 21px; color: #333; margin: 16px 0; outline: none;}

/* Кнопки */
.button-group {display: flex; gap: 24px; justify-content: center; margin-top: 24px; flex-wrap: wrap;}
.auth-btn {padding: 20px 48px; font-size: 20px; border: none; border-radius: 24px; cursor: pointer; font-weight: 600; transition: transform 0.2s, box-shadow 0.2s;}
.auth-btn:hover {transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.3);}
.auth-btn:active {transform: translateY(1px);}
.login {background: #4ade80; color: white;}
.register {background: #f5e000; color: #333;}

/* Иконки профиля и бургер */
.profile-icon {position: fixed; top: 20px; right: 20px; width: 60px; height: 60px; background: #f5e000; color: #1e293b; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: bold; cursor: pointer; z-index: 100; transition: transform 0.3s; box-shadow: 0 8px 25px #f5e000;}
.profile-icon:hover {transform: scale(1.1);}
.burger-menu {position: fixed; top: 20px; left: 20px; width: 50px; height: 50px; background: rgba(99, 102, 241, 0.7); border-radius: 14px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; cursor: pointer; z-index: 1001; transition: background-color 0.3s; border: 2px solid rgba(139, 92, 246, 0.8);}
.burger-menu:hover {background: rgba(139, 92, 246, 0.8);}
.burger-menu span {width: 26px; height: 3px; background: #e0d6ff; border-radius: 2px; transition: background-color 0.3s;}

.burger-menu.student-burger {background: rgba(245, 224, 0, 0.8); border: 2px solid #f5e000;}
.burger-menu.student-burger:hover {background: rgba(245, 224, 0, 1);}
.burger-menu.student-burger span {background: #1e293b;}

.burger-menu.admin-burger {background: rgba(220, 38, 38, 0.7); border: 2px solid rgba(248, 113, 113, 0.8);}
.burger-menu.admin-burger:hover {background: rgba(248, 113, 113, 0.8);}
.burger-menu.admin-burger span {background: #fee2e2;}

.burger-menu.manager-burger {background: rgba(219, 39, 119, 0.7); border: 2px solid rgba(244, 114, 182, 0.8);}
.burger-menu.manager-burger:hover {background: rgba(244, 114, 182, 0.8);}
.burger-menu.manager-burger span {background: #fce7f3;}

#teacherCornerBtn {position: fixed; top: 20px; left: 20px; background: rgba(99, 102, 241, 0.65); border: 3px solid rgba(139, 92, 246, 0.9); color: #e0d6ff; padding: 18px 32px; border-radius: 18px; font-weight: bold; cursor: pointer; z-index: 1000; font-size: 18px; transition: background-color 0.3s, transform 0.2s;}
#teacherCornerBtn:hover {background: rgba(99, 102, 241, 0.8); transform: scale(1.02);}

/* Боковое меню */
.teacher-sidebar, .student-sidebar, .admin-sidebar, .manager-sidebar {
    position: fixed; top: 0; left: -320px; width: 320px; height: 100vh; 
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.98), rgba(15, 23, 42, 0.98)); 
    backdrop-filter: blur(12px); padding: 90px 30px 40px; transition: left 0.4s ease; 
    z-index: 1000; box-shadow: 10px 0 40px rgba(0, 0, 0, 0.7); overflow-y: auto;
}
.teacher-sidebar { border-right: 3px solid #6366f1; }
.student-sidebar { border-right: 3px solid #f5e000; }
.admin-sidebar { border-right: 3px solid #ef4444; }
.manager-sidebar { border-right: 3px solid #ec4899; }

.teacher-sidebar.open, .student-sidebar.open, .admin-sidebar.open, .manager-sidebar.open { left: 0; }
.sidebar-header h3 { font-size: 22px; margin-bottom: 40px; text-align: center; }
.teacher-sidebar .sidebar-header h3 { color: #ffffff; }
.student-sidebar .sidebar-header h3 { color: #f5e000; }
.admin-sidebar .sidebar-header h3 { color: #fca5a5; }
.manager-sidebar .sidebar-header h3 { color: #f9a8d4; }

.sidebar-btn {
    width: 100%; padding: 18px 24px; margin: 12px 0; border: none; border-radius: 16px; 
    font-size: 18px; cursor: pointer; transition: transform 0.2s, background 0.3s;
}
.sidebar-btn:active { transform: scale(0.98); }
.teacher-sidebar .sidebar-btn { background: rgba(99, 102, 241, 0.4); color: #e0d6ff; }
.teacher-sidebar .sidebar-btn:hover { background: rgba(99, 102, 241, 0.6); }
.teacher-sidebar .sidebar-btn.active { background: #6366f1; color: white; font-weight: bold; }

.student-sidebar .sidebar-btn { background: rgba(245, 224, 0, 0.8); color: #1e293b; }
.student-sidebar .sidebar-btn:hover { background: rgba(245, 224, 0, 1); }
.student-sidebar .sidebar-btn.active { background: #f5e000; font-weight: bold; }

.admin-sidebar .sidebar-btn { background: rgba(220, 38, 38, 0.4); color: #fee2e2; }
.admin-sidebar .sidebar-btn:hover { background: rgba(220, 38, 38, 0.6); }
.admin-sidebar .sidebar-btn.active { background: #ef4444; font-weight: bold; }

.manager-sidebar .sidebar-btn { background: rgba(219, 39, 119, 0.4); color: #fce7f3; }
.manager-sidebar .sidebar-btn:hover { background: rgba(219, 39, 119, 0.6); }
.manager-sidebar .sidebar-btn.active { background: #ec4899; font-weight: bold; }

/* Иконка профиля учителя */
.teacher-profile-btn {
    position: fixed; top: 20px; right: 20px; width: 60px; height: 60px; 
    background: linear-gradient(135deg, #818cf8, #4f46e5); color: white; 
    border-radius: 50%; display: flex; align-items: center; justify-content: center; 
    font-size: 32px; font-weight: bold; cursor: pointer; z-index: 100; transition: transform 0.3s, box-shadow 0.3s; 
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}
.teacher-profile-btn:hover { transform: scale(1.1) translateY(-2px); box-shadow: 0 12px 30px rgba(99, 102, 241, 0.7); }

/* Модалка профиля учителя */
.teacher-profile-modal {
    width: 520px; padding: 60px 50px; background: rgba(30, 41, 59, 0.95);
    border: 4px solid #6366f1;
    border-radius: 32px; text-align: center; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(99, 102, 241, 0.2); 
    animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); will-change: transform, opacity;
}
@keyframes pop {from {transform: scale(0.9); opacity: 0;} to {transform: scale(1); opacity: 1;}}
.teacher-profile-header {display: flex; flex-direction: column; align-items: center; gap: 20px; margin-bottom: 30px;}
.teacher-profile-avatar {width: 110px; height: 110px; background: linear-gradient(135deg, #818cf8, #4f46e5); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 56px; font-weight: bold; box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);}
.teacher-profile-modal h2 {color: #e0d6ff; font-size: 28px; text-shadow: 0 2px 4px rgba(0,0,0,0.5);}
.teacher-profile-modal .profile-fields input {
    width: 100%; max-width: 420px; height: 60px; background: rgba(15, 23, 42, 0.5); 
    border: 1px solid rgba(99, 102, 241, 0.3); border-radius: 16px; padding: 0 24px; 
    font-size: 18px; color: white; margin: 10px 0; outline: none; transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.teacher-profile-modal .profile-fields input:focus {border-color: #818cf8; background: rgba(15, 23, 42, 0.8); box-shadow: 0 0 15px rgba(129, 140, 248, 0.3);}
.teacher-profile-actions {display: flex; gap: 15px; justify-content: center; margin-top: 35px; flex-wrap: wrap;}

.teacher-btn {padding: 16px 32px; font-size: 18px; border: none; border-radius: 18px; cursor: pointer; font-weight: bold; transition: transform 0.2s, box-shadow 0.2s;}
.teacher-btn:hover {transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.3);}
.teacher-btn.logout {background: linear-gradient(135deg, #ef4444, #dc2626); color: white;}
.teacher-btn.save {background: linear-gradient(135deg, #6366f1, #4f46e5); color: white;}
.teacher-btn.back {background: rgba(255, 255, 255, 0.1); color: #e0d6ff; border: 1px solid rgba(255,255,255,0.2);}

/* Карточки приветствия */
.welcome-card.student-panel {width: 1450px; max-width: 95vw; height: calc(100vh - 40px); background: linear-gradient(135deg, #1e293b, #0f172a); border: 3px solid #f5e000; border-radius: 50px; box-shadow: 0 0 10px #f5e000; text-align: center; padding: 80px 100px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 30px;}

.welcome-card.teacher-panel, .welcome-card.admin-panel, .welcome-card.manager-panel {
    background: linear-gradient(135deg, #1e293b, #0f172a); padding: 60px 40px; border-radius: 28px; max-width: 520px; margin: auto; box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5); text-align: center;
}
.welcome-card.teacher-panel { border: 3px solid #6366f1; }
.welcome-card.admin-panel { border: 3px solid #ef4444; box-shadow: 0 15px 40px rgba(239, 68, 68, 0.3); }
.welcome-card.manager-panel { border: 3px solid #ec4899; box-shadow: 0 15px 40px rgba(236, 72, 153, 0.3); }

.teacher-header {display: flex; flex-direction: column; align-items: center; gap: 20px;}
.teacher-icon {width: 90px; height: 90px; background: linear-gradient(135deg, #818cf8, #4f46e5); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 42px; margin: 0 auto 15px; font-weight: bold; box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);}
h1 {font-size: 52px;}
.greeting {font-size: 36px;}
.message {font-size: 24px; line-height: 1.7; max-width: 900px;}

/* Профиль студента */
.profile-modal {width: 580px; padding: 70px 60px; background: linear-gradient(135deg, #1e293b, #0f172a); border: 3px solid #f5e000; border-radius: 50px; box-shadow: 0 0 40px #f5e00082, 0 -59px 131px rgba(0, 0, 0, 0.9); text-align: center;}
.profile-icon-modal {width: 130px; height: 130px; background: #f5e000; color: #1e293b; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 68px; font-weight: bold; margin-bottom: 30px;}
.profile-fields input, .teacher-input-box {width: 100%; max-width: 420px; height: 60px; background: rgba(15, 23, 42, 0.5); border: 1px solid rgba(99, 102, 241, 0.3); border-radius: 16px; padding: 0 24px; font-size: 18px; color: white; margin: 10px 0; outline: none; transition: background-color 0.3s, border-color 0.3s;}
.teacher-input-box:focus { border-color: #818cf8; box-shadow: 0 0 15px rgba(129, 140, 248, 0.3); background: rgba(15, 23, 42, 0.8); }

/* Модалки Преподавателя */
.modal-overlay {position: fixed; inset: 0; background: rgba(2, 6, 23, 0.85); display: flex; justify-content: center; align-items: center; z-index: 9999; backdrop-filter: blur(4px); will-change: opacity;}
.modal-content {background: #1e293b; padding: 50px 40px; border-radius: 28px; width: 90%; max-width: 460px; text-align: center;}

.add-student-modal, .schedule-modal {
    position: fixed; inset: 0; background: rgba(2, 6, 23, 0.85); backdrop-filter: blur(4px);
    display: flex; justify-content: center; align-items: center; z-index: 9998; 
    animation: fadeIn 0.3s ease; will-change: opacity;
}
@keyframes fadeIn {from {opacity: 0;} to {opacity: 1;}}

/* Общий стиль для внутренних окон преподавателя */
.add-student-content, .schedule-content, .create-board-content, .delete-board-content, .schedule-selection-content {
    background: rgba(30, 41, 59, 0.95); 
    border: 1px solid rgba(99, 102, 241, 0.4); border-radius: 32px; padding: 40px; 
    max-width: 800px; width: 90%; text-align: center; 
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.15);
}
.add-student-content h3, .schedule-content h3, .create-board-content h3, .delete-board-content h3, .schedule-selection-content h3 {
    color: #e0d6ff; font-size: 26px; margin-bottom: 25px; text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Поиск ученика */
.search-container {display: flex; align-items: center; position: relative; max-width: 500px; margin: 0 auto;}
.search-box {
    width: 100%; height: 56px; background: rgba(15, 23, 42, 0.5); 
    border: 1px solid rgba(99, 102, 241, 0.4); border-radius: 16px; 
    padding: 0 20px; color: white; outline: none; font-size: 16px; transition: background-color 0.3s, border-color 0.3s;
}
.search-box:focus { border-color: #818cf8; box-shadow: 0 0 15px rgba(129, 140, 248, 0.3); background: rgba(15, 23, 42, 0.8); }
.search-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5); border: none; cursor: pointer; 
    font-size: 20px; color: white; width: 56px; height: 56px; border-radius: 16px; 
    margin-left: 10px; transition: transform 0.2s, box-shadow 0.2s; display: flex; align-items: center; justify-content: center;
}
.search-btn:hover {transform: translateY(-2px); box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);}
.search-btn:active {transform: translateY(0);}

.search-result {margin-top: 20px; border-radius: 16px; padding: 0; opacity: 0; transition: opacity 0.3s ease;}
.search-result.show {opacity: 1;}

/* Элементы списков */
.student-item, .student-schedule-item, .board-item, .board-item-edit {
    display: flex; justify-content: space-between; align-items: center; 
    background: rgba(255, 255, 255, 0.05); border-left: 4px solid #6366f1;
    border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; font-size: 16px;
    transition: background-color 0.2s, transform 0.2s; will-change: transform;
}
.student-item:hover, .student-schedule-item:hover, .board-item:hover {
    background: rgba(255, 255, 255, 0.08); transform: translateX(2px);
}
.student-item.added { border-left-color: #10b981; background: rgba(16, 185, 129, 0.1); }
.student-info-text { font-weight: 600; color: #f8fafc; }
.student-email-sub { font-size: 14px; color: #94a3b8; font-weight: normal; margin-left: 8px;}

/* Мини кнопки списков */
.add-btn, .delete-btn {
    border: none; border-radius: 10px; width: 40px; height: 40px; cursor: pointer; 
    font-size: 22px; font-weight: bold; transition: transform 0.2s, box-shadow 0.2s; display: flex; align-items: center; justify-content: center;
}
.add-btn {background: linear-gradient(135deg, #10b981, #059669); color: white;}
.add-btn:hover {box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4); transform: translateY(-2px);}
.delete-btn {background: linear-gradient(135deg, #ef4444, #dc2626); color: white;}
.delete-btn:hover {box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4); transform: translateY(-2px);}

.added-label {color: #10b981; font-weight: bold; background: rgba(16, 185, 129, 0.2); padding: 6px 12px; border-radius: 8px;}
.added-students-header {margin: 30px 0 15px; font-size: 20px; color: #e0d6ff; text-align: left;}
.added-students-list, .student-schedule-list, .users-list, .vdesks-list {
    overflow-y: auto; overflow-x: hidden; max-height: 450px; text-align: left; padding-right: 10px;
}
.added-students-list::-webkit-scrollbar, .student-schedule-list::-webkit-scrollbar { width: 6px; }
.added-students-list::-webkit-scrollbar-track, .student-schedule-list::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 4px; }
.added-students-list::-webkit-scrollbar-thumb, .student-schedule-list::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.5); border-radius: 4px; }

/* --- Анимированная переливающаяся звезда для подписок --- */
.animated-star {
    font-size: 16px;
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: shine 2.5s linear infinite;
    display: inline-block;
}
.star-gold { 
    background-image: linear-gradient(to right, #d4af37, #fdf5e6, #d4af37, #aa8c2c, #d4af37); 
    filter: drop-shadow(0 0 4px rgba(212, 175, 55, 0.8)); 
}
.star-blue { 
    background-image: linear-gradient(to right, #0ea5e9, #e0f2fe, #0ea5e9, #0284c7, #0ea5e9); 
    filter: drop-shadow(0 0 4px rgba(14, 165, 233, 0.8)); 
}
.star-purple { 
    background-image: linear-gradient(to right, #a855f7, #f3e8ff, #a855f7, #7e22ce, #a855f7); 
    filter: drop-shadow(0 0 4px rgba(168, 85, 247, 0.8)); 
}
.star-default { 
    background-image: linear-gradient(to right, #818cf8, #e0d6ff, #818cf8, #4f46e5, #818cf8); 
    filter: drop-shadow(0 0 4px rgba(129, 140, 248, 0.8)); 
}
@keyframes shine {
    to { background-position: 200% center; }
}

/* Общие кнопки действий в модалках */
.picker-actions {display: flex; gap: 15px; justify-content: center; margin-top: 25px;}
.close-btn {
    padding: 14px 32px; background: rgba(255,255,255,0.1); color: #e0d6ff; border: 1px solid rgba(255,255,255,0.2);
    border-radius: 16px; cursor: pointer; font-size: 16px; font-weight: bold; transition: transform 0.2s, background-color 0.2s;
}
.close-btn:hover {background: rgba(255,255,255,0.15); transform: translateY(-2px);}
.save-btn {
    padding: 14px 32px; background: linear-gradient(135deg, #6366f1, #4f46e5); color: white; 
    border: none; border-radius: 16px; cursor: pointer; font-size: 16px; font-weight: bold; transition: transform 0.2s, box-shadow 0.2s;
}
.save-btn:hover {transform: translateY(-2px); box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);}
.action-btn-alt {
    padding: 12px 24px; background: rgba(99, 102, 241, 0.2); color: #a5b4fc; border: 1px solid #6366f1;
    border-radius: 12px; cursor: pointer; font-size: 14px; font-weight: bold; transition: background-color 0.2s, color 0.2s;
}
.action-btn-alt:hover {background: rgba(99, 102, 241, 0.3); color: white;}

.not-found-msg, .error-msg {font-size: 15px; color: #fca5a5; text-align: center; margin: 10px 0;}
.success-msg { color: #4ade80; margin-top: 15px; font-weight: bold; font-size: 16px; text-align: center; }

#teacherNameDisplay {color: #e0d6ff; font-size: 28px; text-shadow: 0 2px 4px rgba(0,0,0,0.5);}

/* Расписание в модалке */
.expand-btn {
    background: rgba(255,255,255,0.1); border: none; color: #e0d6ff; width: 36px; height: 36px; border-radius: 10px;
    cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background-color 0.3s;
}
.expand-btn:hover {background: rgba(99, 102, 241, 0.4);}
.days-container {padding: 10px 0; margin-top: 10px; border-top: 1px solid rgba(255,255,255,0.1);}
.day-schedule-item {
    display: flex; align-items: flex-start; flex-direction: column; gap: 10px; margin: 15px 0; 
    background: rgba(0,0,0,0.2); padding: 15px; border-radius: 12px; border-left: 3px solid #4f46e5;
}
.day-schedule-item .day-header { display: flex; justify-content: space-between; width: 100%; align-items: center;}
.day-name {font-weight: bold; color: #ffffff; font-size: 16px;}
.add-time-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5); color: white; border: none; border-radius: 10px; 
    width: 32px; height: 32px; cursor: pointer; font-size: 20px; display: flex; align-items: center; justify-content: center; transition: transform 0.2s, box-shadow 0.2s;
}
.add-time-btn:hover {transform: translateY(-2px); box-shadow: 0 4px 10px rgba(99, 102, 241, 0.4);}
.times-list {display: flex; flex-wrap: wrap; gap: 10px; width: 100%; margin-top: 10px;}
.time-entry {
    border-radius: 10px; 
    padding: 6px 12px; display: flex; align-items: center; gap: 10px; color: #e0d6ff; font-weight: 500;
}
.time-frame {font-size: 15px;}
.buttons-container {display: flex; gap: 5px;}
.edit-time, .delete-time {
    background: transparent; border: none; border-radius: 6px; width: 26px; height: 26px; 
    cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background-color 0.2s, color 0.2s;
}
.edit-time {color: #a5b4fc;} .edit-time:hover {background: rgba(99, 102, 241, 0.3); color: white;}
.delete-time {color: #fca5a5; font-size: 18px;} .delete-time:hover {background: rgba(239, 68, 68, 0.3); color: #fecaca;}

/* Выбор времени (Time Picker) */
.time-picker-modal { z-index: 10000; }
.time-picker {
    background: rgba(30, 41, 59, 0.98); border: 1px solid rgba(99, 102, 241, 0.5);
    border-radius: 32px; padding: 40px; width: 90%; max-width: 400px; text-align: center;
    box-shadow: 0 30px 60px rgba(0,0,0,0.7), 0 0 40px rgba(99, 102, 241, 0.2);
}
.time-picker-title { color: #e0d6ff; font-size: 22px; font-weight: bold; margin-bottom: 25px;}
.wheels {
    display: flex; align-items: center; justify-content: center; gap: 15px; margin-bottom: 30px; 
    position: relative; background: rgba(0,0,0,0.2); border-radius: 20px; padding: 10px 0;
}
/* Градиентные маски для скролла */
.wheels::before, .wheels::after {
    content: ''; position: absolute; left: 0; right: 0; height: 60px; pointer-events: none; z-index: 2; border-radius: 20px;
}
.wheels::before { top: 0; background: linear-gradient(to bottom, rgba(30, 41, 59, 1) 0%, transparent 100%); }
.wheels::after { bottom: 0; background: linear-gradient(to top, rgba(30, 41, 59, 1) 0%, transparent 100%); }

.wheel-container {display: flex; flex-direction: column; align-items: center; z-index: 1;}
.time-separator {font-size: 40px; font-weight: bold; color: rgba(255,255,255,0.3); margin-top: -10px;}
.up-btn, .down-btn {
    background: rgba(255,255,255,0.05); border: none; color: #a5b4fc; width: 40px; height: 30px; border-radius: 8px;
    cursor: pointer; transition: background-color 0.2s, color 0.2s; z-index: 3;
}
.up-btn:hover, .down-btn:hover {color: white; background: rgba(99, 102, 241, 0.4);}
.hour-wheel, .min-wheel {width: 90px; height: 180px; overflow-y: hidden; scrollbar-width: none; position: relative;}
.hour-wheel:hover, .min-wheel:hover {overflow-y: scroll;}
.hour-wheel::-webkit-scrollbar, .min-wheel::-webkit-scrollbar {display: none;}
.time-slot {
    height: 60px; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 500;
    transition: font-size 0.3s, transform 0.3s, opacity 0.3s, color 0.3s; color: #94a3b8; will-change: transform, font-size, opacity;
}
.time-slot.selected {
    font-size: 40px; font-weight: bold; color: white; text-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
}

/* Предотвращение искажения вкладок при обновлении контента под ними */
.pay-tabs, .pay-tab-btn {
    flex-shrink: 0 !important;
}
.special-invoice-bottom-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    gap: 15px;
    flex-wrap: wrap;
}

/* Убираем кастомный фиолетовый скроллбар для админа и менеджера */
.admin-sidebar, .manager-sidebar { scrollbar-width: none !important; }
.admin-sidebar::-webkit-scrollbar, .manager-sidebar::-webkit-scrollbar { display: none !important; width: 0 !important; }

/* Окно Виртуальных досок */
.virtual-board {position: fixed; inset: 0; background: linear-gradient(135deg, #0f172a, #1e293b); z-index: 999; display: flex; flex-direction: column; overflow: hidden;}

.virtual-board-header {
    display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; 
}
.back-to-panel-modern {
    display: flex; align-items: center; gap: 8px; 
    padding: 10px 20px; border-radius: 12px; cursor: pointer; 
    font-size: 15px; font-weight: bold; 
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    border: none;
}
.back-to-panel-modern:active { transform: scale(0.95); }

/* --- ТЕМЫ ДЛЯ ДОСОК --- */
.virtual-board-header.teacher-header-theme { background: linear-gradient(135deg, rgba(79, 70, 229, 0.8), rgba(49, 46, 129, 0.9)); border-bottom: 2px solid #6366f1; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
.virtual-board-header.teacher-header-theme h2 { color: #ffffff; font-size: 24px; margin: 0; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.virtual-board-header.teacher-header-theme .back-to-panel-modern { background: rgba(99, 102, 241, 0.4); border: 1px solid #818cf8; color: #ffffff; }
.virtual-board-header.teacher-header-theme .back-to-panel-modern:hover { background: rgba(99, 102, 241, 0.6); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4); }

.virtual-board-header.student-header-theme { background: rgba(15, 23, 42, 0.8); border-bottom: 2px solid #f5e000; }
.virtual-board-header.student-header-theme h2 { color: #f5e000; font-size: 24px; margin: 0; text-shadow: 0 2px 5px rgba(0,0,0,0.5); }
.virtual-board-header.student-header-theme .back-to-panel-modern { background: #f5e000; color: #1e293b; border: none; }
.virtual-board-header.student-header-theme .back-to-panel-modern:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(245, 224, 0, 0.4); }

/* --- ТЕМЫ ДЛЯ КОНФЕРЕНЦИЙ --- */
.conf-header-theme.teacher-header-theme { background: linear-gradient(135deg, #2563eb, #1e40af); border-bottom: 2px solid #3b82f6; box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3); }
.conf-header-theme.student-header-theme { background: rgba(6, 182, 212, 0.8); border-bottom: 2px solid #22d3ee; }
.conf-header-theme.student-header-theme h2 { color: #cffafe; text-shadow: 0 2px 5px rgba(0,0,0,0.5); }
.conf-header-theme.student-header-theme .back-to-panel-modern { background: #0891b2; color: #fff; }

.virtual-board-header.admin-header-theme { background: rgba(220, 38, 38, 0.8); border-bottom: 2px solid #ef4444; }
.virtual-board-header.admin-header-theme h2 { color: #fee2e2; font-size: 24px; margin: 0; }
.virtual-board-header.admin-header-theme .back-to-panel-modern { background: rgba(220, 38, 38, 0.4); border: 1px solid #fca5a5; color: #ffffff; }
.virtual-board-header.admin-header-theme .back-to-panel-modern:hover { background: rgba(220, 38, 38, 0.6); transform: translateY(-2px); }

.virtual-board-header.manager-header-theme { background: rgba(219, 39, 119, 0.8); border-bottom: 2px solid #ec4899; }
.virtual-board-header.manager-header-theme h2 { color: #fce7f3; font-size: 24px; margin: 0; }
.virtual-board-header.manager-header-theme .back-to-panel-modern { background: rgba(219, 39, 119, 0.4); border: 1px solid #f9a8d4; color: #ffffff; }
.virtual-board-header.manager-header-theme .back-to-panel-modern:hover { background: rgba(219, 39, 119, 0.6); transform: translateY(-2px); }

/* Карточка пользователя в видеоконференциях */
.conf-user-card {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 16px;
    font-weight: bold;
    background: rgba(255,255,255,0.1);
    padding: 12px 24px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 10;
    color: white;
    max-width: calc(100vw - 120px); /* Не дает карточке наехать на кнопку на средних экранах */
}
.conf-user-avatar {
    width: 32px; height: 32px; border-radius: 50%; display: flex; 
    align-items: center; justify-content: center; color: white; 
    background: #6366f1; border: 2px solid rgba(255,255,255,0.5);
    flex-shrink: 0;
}
.conf-user-name {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.boards-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; 
    padding: 30px 40px; overflow-y: auto; flex-grow: 1; align-content: flex-start;
}
.boards-grid::-webkit-scrollbar {width: 8px;}
.boards-grid::-webkit-scrollbar-track {background: transparent;}
.boards-grid::-webkit-scrollbar-thumb {background: rgba(99, 102, 241, 0.3); border-radius: 10px;}

.board-card {
    border-radius: 24px; padding: 25px; text-align: center; cursor: pointer; transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s; 
    min-height: 200px; display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; overflow: hidden; will-change: transform;
}
.board-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, rgba(255,255,255,0.1), transparent); pointer-events: none; }
.board-card:hover {transform: translateY(-8px) scale(1.02); box-shadow: 0 15px 30px rgba(0,0,0,0.4), 0 0 15px rgba(99, 102, 241, 0.2);}
.board-card.inactive {filter: grayscale(80%); opacity: 0.6;}
.board-card.inactive:hover {filter: grayscale(40%); opacity: 0.9;}

/* СТИЛИ ДОСОК */
.board-card.teacher-board-card {
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.8), rgba(49, 46, 129, 0.9));
    border: 1px solid rgba(129, 140, 248, 0.3); box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.board-card.student-board-card {background: rgba(245, 224, 0, 0.9); border: none; box-shadow: none;}

/* СТИЛИ КОНФЕРЕНЦИЙ */
.conf-board-card.teacher-board-card { background: linear-gradient(145deg, rgba(37, 99, 235, 0.8), rgba(30, 58, 138, 0.9)); border: 1px solid rgba(96, 165, 250, 0.3); }
.conf-board-card.student-board-card { background: rgba(8, 145, 178, 0.9); }

.v-desk-icon {
    background: rgba(255,255,255,0.15); width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; 
    margin: 0 auto 15px; border-radius: 16px; color: white;
}
.student-icon { background: rgba(0,0,0,0.1); color: #ffffff; }
.board-name {font-size: 22px; font-weight: 800; margin-bottom: 8px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); letter-spacing: 0.5px;}
.student-board-card .board-name, .student-board-card .student-fio, .student-board-card .student-email, .student-board-card .countdown { color: #ffffff; text-shadow: none;}
.student-fio {font-size: 16px; font-weight: 500; opacity: 0.9; margin-bottom: 5px; width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.student-email {font-size: 13px; opacity: 0.7; width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}

/* Плавающие Action Buttons (FAB) */
.floating-actions {position: fixed; bottom: 30px; right: 40px; display: flex; gap: 15px; z-index: 1000;}
.board-btn {
    width: 60px; height: 60px; border-radius: 20px; color: white; border: none; cursor: pointer; 
    display: flex; align-items: center; justify-content: center; transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3), inset 0 2px 0 rgba(255,255,255,0.2); will-change: transform;
}
.board-btn:hover {transform: translateY(-5px) scale(1.05); box-shadow: 0 15px 30px rgba(0,0,0,0.4);}
.board-btn:active {transform: translateY(0) scale(0.95);}
.board-btn.add {background: linear-gradient(135deg, #10b981, #059669);}
.board-btn.remove {background: linear-gradient(135deg, #ef4444, #dc2626);}
.board-btn.pen {background: linear-gradient(135deg, #8b5cf6, #6d28d9);}

/* Специфично для формы создания доски */
.custom-select { appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 20px center; background-size: 1em; cursor: pointer; }
.custom-select option { background: #1e293b; color: white; padding: 10px; }

/* Редактирование списка досок */
.board-item-edit {
    display: flex; flex-direction: column; gap: 15px; margin: 12px 0; font-size: 16px; 
    background: rgba(0,0,0,0.2); border-radius: 16px; padding: 20px; border-left: 3px solid #8b5cf6;
}
.board-item-name {font-weight: bold; font-size: 18px; color: white;}
.created-by { font-size: 13px; color: #94a3b8; margin: 5px 0; }
.board-edit-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Чекбоксы в расписании */
.checkbox-label { cursor: pointer; user-select: none; }
.time-checkbox { accent-color: #6366f1; width: 18px; height: 18px; cursor: pointer;}
.time-frame-checkbox { font-size: 16px; margin-left: 5px; }

/* Возвращены старые дни недели с расписанием на главной */
.days-corner {position: fixed; bottom: 20px; right: 20px; background: rgba(30, 41, 59, 0.95); padding: 20px 24px; border-radius: 32px; backdrop-filter: blur(12px); border: 2px solid rgba(255, 255, 255, 0.15); z-index: 100; display: flex; flex-direction: column; gap: 12px; font-size: 17px; font-weight: 500; max-height: calc(100vh - 216px); overflow-y: auto; overflow-x: hidden;}
.day-item {padding: 10px 18px; background: rgba(255, 255, 255, 0.08); border-radius: 16px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px;}
.day-times {font-size: 14px; opacity: 0.85; display: flex; flex-direction: column; gap: 5px;}
.day-item.today {border: 2px solid #22c55e; animation: glow 2s ease-in-out infinite;}
@keyframes glow {0% {box-shadow: 0 0 5px #22c55e;} 50% {box-shadow: 0 0 20px #22c55e;} 100% {box-shadow: 0 0 5px #22c55e;}}
.time-box {background: #6366f1; border-radius: 13px; padding: 10px 20px; display: flex; flex-direction: column; align-items: center; width: 200px; position: relative;}
.time-box:not(.gray) {cursor: pointer;}
.teacher-fio {font-size: 14px; margin-bottom: 5px; color: #ffffff;}
.time-value {font-size: 16px; font-weight: bold; color: #ffffff;}
.time-box.gray {background: #4b5563;}
.time-box.green {background: #22c55e;}
.status {position: absolute; bottom: 0px; font-size: 12px; color: #ffffff;}

.schedule-toggle-btn { display: none; }
.schedule-panel-wrapper { display: contents; } 

/* === БАЗОВЫЕ КЛАССЫ АДМИНКИ (И МЕНЕДЖЕРА) === */
.admin-modal-content {
    position: relative; padding: 60px 40px 40px; max-height: 90vh; overflow-y: auto; overflow-x: hidden;
    background: rgba(30, 41, 59, 0.95); border: 1px solid rgba(239, 68, 68, 0.4); 
    border-radius: 32px; display: flex; flex-direction: column; align-items: center; 
    width: 90%; margin: auto; box-shadow: 0 25px 50px rgba(0,0,0,0.6);
}

.admin-modal-title { color: #fca5a5; margin-bottom: 25px; font-size: 24px; text-align: center; }
.admin-modal-title-small { color: #fca5a5; font-size: 16px; }

.admin-input {width: 100%; max-width: 420px; height: 60px; background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.5); border-radius: 16px; padding: 0 20px; font-size: 18px; color: white; outline: none; transition: 0.3s;}
.admin-input:focus {background: rgba(239, 68, 68, 0.2); box-shadow: 0 0 15px rgba(239, 68, 68, 0.3); border-color: #ef4444;}
.admin-input-small {width: 100%; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(239, 68, 68, 0.4); color: white; padding: 12px; border-radius: 12px; font-size: 16px; outline: none; transition: 0.3s;}
.admin-input-small:focus {border-color: #fca5a5; background: rgba(255, 255, 255, 0.15);}

.admin-submit-btn { background: #ef4444; margin-top: 25px; width: 100%; max-width: 420px; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4); }
.admin-submit-btn:hover { background: #dc2626; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(239, 68, 68, 0.5); }
.admin-hr { width: 100%; border: none; border-top: 1px solid rgba(239, 68, 68, 0.3); margin: 30px 0; }

.admin-table { width:100%; text-align:left; border-collapse: collapse; margin-top:10px; font-size: 16px; }
.admin-table-header { border-bottom: 2px solid #ef4444; }
.admin-table-th { padding: 12px; color: #fca5a5; }
.admin-table-row { border-bottom: 1px solid rgba(255,255,255,0.05); transition: background 0.2s; }

.admin-modal-item { background: rgba(255,255,255,0.05); border: 1px solid #ef4444; border-radius: 12px; padding: 15px; cursor: pointer; transition: background 0.3s; }
.admin-modal-item:hover { background: rgba(239, 68, 68, 0.1); }

.modal-close-top-left {position: absolute; top: 20px; left: 20px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); color: white; padding: 10px 20px; border-radius: 12px; cursor: pointer; font-size: 15px; font-weight: bold; transition: 0.3s;}
.modal-close-top-left:hover {background: #ef4444; border-color: #ef4444; box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);}

/* Выделение стилей для формы создания менеджера ВНУТРИ АДМИНКИ, чтобы она всегда была розовой */
.manager-input {width: 100%; max-width: 420px; height: 60px; background: rgba(236, 72, 153, 0.1); border: 1px solid rgba(236, 72, 153, 0.5); border-radius: 16px; padding: 0 20px; font-size: 18px; color: white; outline: none; transition: 0.3s;}
.manager-input:focus {background: rgba(236, 72, 153, 0.2); box-shadow: 0 0 15px rgba(236, 72, 153, 0.3); border-color: #ec4899;}
.manager-submit-btn { background: #ec4899; margin-top: 25px; width: 100%; max-width: 420px; box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4); }
.manager-submit-btn:hover { background: #db2777; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(236, 72, 153, 0.5); }

.vdesks-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; padding: 10px; max-height: 65vh; overflow-y: auto; overflow-x: hidden; text-align: left;}
.vdesk-admin-card {background: rgba(0, 0, 0, 0.2); border: 1px solid rgba(239, 68, 68, 0.3); border-radius: 20px; padding: 20px; display: flex; flex-direction: column; gap: 15px; transition: transform 0.2s, box-shadow 0.2s;}
.vdesk-admin-card:hover {transform: translateY(-2px); box-shadow: 0 8px 25px rgba(239, 68, 68, 0.2); border-color: #ef4444;}
.vdesk-info {display: flex; flex-direction: column; gap: 8px; font-size: 15px; color: #f8fafc;}
.vdesk-actions {display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto;}
.action-btn {flex: 1; min-width: 80px; padding: 10px 5px; border: none; border-radius: 10px; cursor: pointer; font-weight: bold; font-size: 13px; color: white; transition: 0.2s; text-align: center;}
.action-btn.save {background: #10b981;} .action-btn.save:hover {background: #059669; transform: translateY(-1px);}
.action-btn.delete {background: #ef4444;} .action-btn.delete:hover {background: #dc2626; transform: translateY(-1px);}
.action-btn.go {background: #3b82f6;} .action-btn.go:hover {background: #2563eb; transform: translateY(-1px);}


/* Фикс для верхнего меню оплат и панели чеков */
.payment-submenu {
    width: 100% !important;
    max-width: 800px !important;
    flex-shrink: 0 !important;
    justify-content: flex-start !important;
}
.pay-tab-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
}
.special-invoice-bottom-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    gap: 15px;
    flex-wrap: wrap;
}
.special-invoice-bottom-panel > div, 
.special-invoice-bottom-panel > button {
    flex-shrink: 0 !important;
}

/* === ПЕРЕОПРЕДЕЛЕНИЕ СТИЛЕЙ ДЛЯ РЕЖИМА МЕНЕДЖЕРА === */
body.manager-mode .admin-modal-content { border-color: rgba(236, 72, 153, 0.4); }

body.manager-mode .admin-modal-title, 
body.manager-mode .admin-modal-title-small { color: #f9a8d4; }

body.manager-mode .admin-submit-btn { background: #ec4899; box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4); }
body.manager-mode .admin-submit-btn:hover { background: #db2777; box-shadow: 0 8px 20px rgba(236, 72, 153, 0.5); }

body.manager-mode .admin-table-header { border-bottom: 2px solid #ec4899; }
body.manager-mode .admin-table-th { color: #f9a8d4; }

body.manager-mode .admin-modal-item { border: 1px solid #ec4899; }
body.manager-mode .admin-modal-item:hover { background: rgba(236, 72, 153, 0.1); }

body.manager-mode .admin-input { background: rgba(236, 72, 153, 0.1); border: 1px solid rgba(236, 72, 153, 0.5); }
body.manager-mode .admin-input:focus { background: rgba(236, 72, 153, 0.2); box-shadow: 0 0 15px rgba(236, 72, 153, 0.3); border-color: #ec4899; }

body.manager-mode .modal-close-top-left:hover { background: #ec4899; border-color: #ec4899; box-shadow: 0 0 15px rgba(236, 72, 153, 0.4); }

body.manager-mode .vdesk-admin-card { border: 1px solid rgba(236, 72, 153, 0.3); }
body.manager-mode .vdesk-admin-card:hover { box-shadow: 0 8px 25px rgba(236, 72, 153, 0.2); border-color: #ec4899; }

body.manager-mode .admin-input-small { border: 1px solid rgba(236, 72, 153, 0.4); }
body.manager-mode .admin-input-small:focus { border-color: #f9a8d4; }

body.manager-mode .action-btn.delete { background: #ec4899; }
body.manager-mode .action-btn.delete:hover { background: #db2777; }


/* --- Кнопки добавления с учетом роли --- */
.admin-add-btn {
    padding: 12px 24px; background: rgba(220, 38, 38, 0.2); color: #fca5a5; border: 1px solid #ef4444;
    border-radius: 12px; cursor: pointer; font-size: 15px; font-weight: bold; transition: 0.3s;
}
.admin-add-btn:hover { background: rgba(220, 38, 38, 0.4); color: white; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }

.manager-add-btn {
    padding: 12px 24px; background: rgba(219, 39, 119, 0.2); color: #f9a8d4; border: 1px solid #ec4899;
    border-radius: 12px; cursor: pointer; font-size: 15px; font-weight: bold; transition: 0.3s;
}
.manager-add-btn:hover { background: rgba(219, 39, 119, 0.4); color: white; box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3); }

/* --- Кнопки удаления профилей --- */
.admin-delete-btn {
    padding: 12px 24px; background: transparent; color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.5);
    border-radius: 12px; cursor: pointer; font-size: 15px; font-weight: bold; transition: 0.3s;
}
.admin-delete-btn:hover { background: rgba(239, 68, 68, 0.1); color: white; border-color: #ef4444; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }

.manager-delete-btn {
    padding: 12px 24px; background: transparent; color: #f9a8d4; border: 1px solid rgba(236, 72, 153, 0.5);
    border-radius: 12px; cursor: pointer; font-size: 15px; font-weight: bold; transition: 0.3s;
}
.manager-delete-btn:hover { background: rgba(236, 72, 153, 0.1); color: white; border-color: #ec4899; box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3); }
/* --- Дизайн окна создания Доверенного Преподавателя --- */
.trusted-form-layout { display: flex; gap: 40px; width: 100%; text-align: left; flex-wrap: wrap; margin-bottom: 20px;}
.trusted-form-left { display: flex; flex-direction: column; align-items: center; gap: 15px; width: 220px; flex-shrink: 0; }
.trusted-form-right { flex-grow: 1; min-width: 300px; display: flex; flex-direction: column; gap: 15px; }

/* Окно предпросмотра аватара */
.photo-preview-container {
    width: 200px; height: 200px; border-radius: 50%; border: 2px dashed rgba(255,255,255,0.3);
    display: flex; align-items: center; justify-content: center; overflow: hidden;
    background: rgba(0,0,0,0.2); position: relative; transition: border-color 0.3s; box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* Стили для ссылки "Забыли пароль" */
/* Обертка для поля пароля и ссылки */
.password-wrapper {
    position: relative;
    width: 100%;
    max-width: 460px;
    margin: 16px 0;
    display: flex;
    justify-content: center;
}

/* Убираем лишние отступы у инпута внутри обертки */
.password-wrapper .input-box {
    margin: 0 !important;
    width: 100% !important;
}

/* Сама ссылка */
.forgot-password-link {
    position: absolute;
    right: 25px; /* Отступ от правого края внутри инпута */
    
    top: calc(50% + 50px); /* <--- ЭТА СТРОЧКА ОТВЕЧАЕТ ЗА СМЕЩЕНИЕ НА 10px ВНИЗ */
    
    transform: translateY(-50%);
    color: #3b82f6;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s, text-shadow 0.3s;
    margin: 0;
    padding: 0;
}

.forgot-password-link:hover {
    color: #60a5fa;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Фиксы для экрана конференций на мобилках */
    .conf-user-card {
        top: 70px !important; /* Спускаем карточку под кнопку "Назад" */
        right: 50% !important;
        transform: translateX(50%); /* Выравниваем ровно по центру */
        padding: 8px 16px !important;
        font-size: 14px !important;
        width: max-content;
        max-width: 90vw;
    }
    .conf-virtual-board {
        padding-top: 140px !important; /* Опускаем заголовок "Видеоконференции", чтобы он не наехал на карточку */
    }
    .back-btn-top-left {
        top: 15px !important;
        left: 15px !important;
        padding: 8px 14px !important;
        font-size: 13px !important;
    }

#photoPlaceholderText { color: #94a3b8; font-size: 14px; font-weight: bold; text-align: center; }
#photoPreview { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    /* Форсируем высокое качество рендеринга */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: high-quality;
    /* Включаем аппаратное ускорение, чтобы убрать мыло по краям */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}
/* Кастомные кнопки загрузки файлов */
.custom-file-upload {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    color: white; padding: 12px 20px; border-radius: 12px; cursor: pointer;
    font-size: 14px; font-weight: bold; transition: 0.3s; text-align: center; width: 100%;
}
.custom-file-upload:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
.custom-file-upload.materials-upload { width: auto; display: inline-block; padding: 10px 20px; background: rgba(59, 130, 246, 0.15); border-color: #3b82f6; color: #93c5fd; }
.custom-file-upload.materials-upload:hover { background: rgba(59, 130, 246, 0.3); color: white; box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);}

/* === ОФОРМЛЕНИЕ ДОВЕРЕННЫХ ПРЕПОДАВАТЕЛЕЙ === */
.form-group { width: 100%; text-align: left; margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; color: #cbd5e1; font-size: 14px; font-weight: bold;}
.trusted-form-content .admin-input-small { width: 100%; }

.trusted-teachers-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 25px; 
    padding: 30px; width: 100%; overflow-y: auto; align-content: flex-start;
}
.tt-card {
    background: rgba(30, 41, 59, 0.8); border: 1px solid rgba(99, 102, 241, 0.3); 
    border-radius: 20px; padding: 25px; display: flex; flex-direction: column; gap: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3); text-align: left; transition: transform 0.3s;
}
.tt-card:hover { transform: translateY(-5px); border-color: #818cf8; box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 15px rgba(99, 102, 241, 0.2);}

/* --- Улучшенное качество и размер фото в списке преподавателей --- */
.tt-avatar { 
    width: 150px; 
    height: 150px; 
    border-radius: 50%; 
    object-fit: cover; 
    margin: 0 auto 20px; 
    border: 4px solid rgba(255,255,255,0.15); 
    box-shadow: 0 10px 25px rgba(0,0,0,0.5); 
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    
    /* Форсируем высокое качество рендеринга */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: high-quality;
    /* Аппаратное ускорение */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.tt-card:hover .tt-avatar { 
    /* Добавляем translateZ(0) сюда тоже, чтобы при наведении качество не падало */
    transform: scale(1.05) translateZ(0); 
    border-color: rgba(255,255,255,0.6);
    box-shadow: 0 12px 30px rgba(0,0,0,0.6);
}

.tt-avatar-placeholder { width: 110px; height: 110px; border-radius: 50%; background: linear-gradient(135deg, #818cf8, #4f46e5); color: white; display: flex; align-items: center; justify-content: center; font-size: 45px; margin: 0 auto 15px; box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);}
.tt-fio { font-size: 22px; color: #f8fafc; text-align: center; margin-bottom: 5px; text-shadow: 0 2px 4px rgba(0,0,0,0.5);}
.tt-badges-container { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 5px; }
.tt-badge { background: rgba(99, 102, 241, 0.2); color: #e0d6ff; padding: 4px 10px; border-radius: 12px; font-size: 13px; font-weight: bold; border: 1px solid rgba(129, 140, 248, 0.3);}
.tt-section { font-size: 14px; color: #cbd5e1; margin-top: 10px; background: rgba(0,0,0,0.2); padding: 12px; border-radius: 12px; border-left: 3px solid #6366f1;}
.tt-section strong { color: #f8fafc; font-size: 15px;}
.tt-section p { margin-top: 5px; line-height: 1.5; }
.tt-link { color: #818cf8; text-decoration: none; transition: 0.2s; display: inline-block; margin-top: 5px; background: rgba(99, 102, 241, 0.1); padding: 5px 10px; border-radius: 8px;}
.tt-link:hover { color: #a5b4fc; background: rgba(99, 102, 241, 0.2); transform: translateX(3px); }


@keyframes glow-purple-btn {
    0% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 5px #6366f1; border-color: #6366f1; }
    50% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 20px #6366f1; border-color: #818cf8; }
    100% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 5px #6366f1; border-color: #6366f1; }
}
@keyframes glow-green-btn {
    0% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 5px #22c55e; border-color: #22c55e; }
    50% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 20px #22c55e; border-color: #4ade80; }
    100% { box-shadow: -2px 0 8px rgba(0,0,0,0.4), 0 0 5px #22c55e; border-color: #22c55e; }
}

/* Стили для выбранного времени (теги с крестиком) */
.group-time-tag {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.4);
    padding: 6px 12px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #e0d6ff;
    font-size: 14px;
    transition: all 0.2s;
    cursor: default;
}
.group-time-tag:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.5);
}
.remove-group-time {
    color: #fca5a5;
    font-size: 18px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s, color 0.2s;
}
.group-time-tag:hover .remove-group-time {
    opacity: 1;
}
.remove-group-time:hover {
    color: #ef4444;
    transform: scale(1.2);
}

/* Для мобильных устройств делаем крестик видимым всегда, так как там нет hover */
@media (max-width: 850px) {

.remove-group-time { opacity: 0.8; }
    /* Обертка принимает размеры мобильного инпута */
    .inputs-wrapper .password-wrapper {
        position: relative !important;
        width: 85% !important;
        max-width: 280px !important;
        margin: 10px auto !important;
        display: flex !important;
    }

    /* Инпут внутри обертки занимает все 100% ее ширины */
    .inputs-wrapper .password-wrapper .input-box {
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
    }

    /* Ссылка позиционируется абсолютно внутри обертки */
    .inputs-wrapper .password-wrapper .forgot-password-link {
        position: absolute !important;
        right: 5px !important;
        top: calc(50% + 40px) !important; /* Смещение вниз */
        transform: translateY(-50%) !important;
        width: auto !important; /* Сбрасываем старые 85% */
        margin: 0 !important;
        padding: 0 !important;
        text-align: right !important;
    }
    .burger-menu { width: 40px !important; height: 40px !important; gap: 5px !important; border-radius: 12px !important; }
    .burger-menu span { width: 22px !important; height: 2px !important; }
    .student-sidebar, .teacher-sidebar, .admin-sidebar, .manager-sidebar { width: 220px !important; left: -220px !important; padding: 60px 15px 20px !important; }
    .student-sidebar.open, .teacher-sidebar.open, .admin-sidebar.open, .manager-sidebar.open { left: 0 !important; }
    .sidebar-header h3 { font-size: 16px !important; margin-bottom: 25px !important; }
    .sidebar-btn { padding: 12px 16px !important; margin: 8px 0 !important; font-size: 14px !important; border-radius: 12px !important; }
    .welcome-card.student-panel { width: 90vw !important; height: auto !important; min-height: 50vh !important; padding: 40px 20px !important; border-radius: 30px !important; }
    .welcome-card.student-panel h1 { font-size: 32px !important; }
    .welcome-card.student-panel .greeting { font-size: 24px !important; }
    .welcome-card.student-panel .message { font-size: 16px !important; }
    .welcome-card.student-panel p { font-size: 14px !important; }

    .schedule-panel-wrapper { display: flex !important; position: fixed !important; right: 0 !important; bottom: 10px !important; z-index: 1002 !important; width: 250px !important; transform: translateX(100%) !important; transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important; align-items: flex-end !important; }
    .schedule-panel-wrapper.open { transform: translateX(0) !important; }
    .schedule-toggle-btn { display: flex !important; flex-direction: column !important; align-items: center !important; justify-content: center !important; position: absolute !important; left: 0 !important; top: auto !important; bottom: 30px !important; transform: translateX(-100%) !important; background: #4b5563 !important; color: white !important; padding: 13px 5px !important; border-radius: 13px 0 0 13px !important; border: 1px solid rgba(255,255,255,0.2); border-right: none !important; box-shadow: -2px 0 8px rgba(0,0,0,0.4); cursor: pointer !important; transition: background 0.3s !important; }
    .schedule-toggle-btn.btn-state-upcoming { border-color: #6366f1 !important; color: #e0d6ff !important; animation: glow-purple-btn 2s ease-in-out infinite; }
    .schedule-toggle-btn.btn-state-ongoing { background: #22c55e !important; border-color: #22c55e !important; color: white !important; animation: glow-green-btn 2s ease-in-out infinite; }
    .schedule-toggle-btn .btn-text { writing-mode: vertical-rl !important; font-size: 12px !important; letter-spacing: 1px !important; }
    .schedule-toggle-btn .btn-arrow { margin-top: 5px !important; font-size: 16px !important; font-weight: 900 !important; }
    .days-corner { position: relative !important; right: auto !important; bottom: auto !important; transform: none !important; width: 100% !important; border-radius: 24px 0 0 24px !important; border-right: none !important; padding: 15px !important; margin: 0 !important; max-height: 80vh !important; }
    .days-corner .day-item { padding: 8px 12px !important; }
    .days-corner .time-box { width: 160px !important; padding: 8px 12px !important; }
    .days-corner .time-value { font-size: 14px !important; }
    .days-corner .teacher-fio { font-size: 11px !important; margin-bottom: 2px !important; }
    
    .profile-modal, .teacher-profile-modal, .add-student-content, .schedule-content, .create-board-content, .delete-board-content, .schedule-selection-content, .admin-modal-content { padding: 30px 20px !important; border-radius: 24px !important; max-height: 85vh !important; width: 290px !important; max-width: 90vw !important;}
    .profile-icon-modal, .teacher-profile-avatar { width: 80px !important; height: 80px !important; font-size: 40px !important; margin-bottom: 20px !important; }
    .profile-modal h2, .teacher-profile-modal h2 { font-size: 14px !important; margin-bottom: 10px !important; }
    
    .inputs-wrapper .input-box, .register-form .input-box, .modal-inputs .input-box { height: 60px !important; font-size: 16px !important; border-radius: 16px !important; width: 85% !important; max-width: 280px !important; padding: 0 20px !important; margin: 10px auto !important;}
    .profile-fields input, .teacher-input-box, .admin-input, .manager-input { height: 50px !important; font-size: 14px !important; border-radius: 12px !important; max-width: 100% !important; padding: 0 12px !important; margin: 7px 0 !important;}
    .auth-btn, .teacher-btn, .close-btn, .save-btn { padding: 12px 24px !important; font-size: 14px !important; border-radius: 14px !important; }
    .profile-actions, .teacher-profile-actions, .button-group { gap: 9px !important; margin-top: 15px !important; }
    
    .trusted-teachers-grid, .boards-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important; padding: 20px !important; gap: 15px !important; display: flex !important; flex-wrap: wrap !important; justify-content: center !important;}
    .board-card { min-height: 150px !important; padding: 15px !important; border-radius: 16px !important; width: 250px !important; flex: 0 0 auto !important;}
    .v-desk-icon { width: 40px !important; height: 40px !important; margin-bottom: 10px !important; }
    .v-desk-icon svg { width: 20px !important; height: 20px !important; }
    .board-name { font-size: 16px !important; } 
    .student-fio { font-size: 13px !important; } 
    .student-email { font-size: 11px !important; }
    
    .floating-actions { bottom: 20px !important; right: 20px !important; gap: 10px !important; }
    .board-btn { width: 45px !important; height: 45px !important; border-radius: 14px !important; }
    .board-btn svg { width: 20px !important; height: 20px !important; }
    .virtual-board-header { padding: 15px 20px !important; }
    .virtual-board-header h2 { font-size: 18px !important; }
    
    .back-to-panel-modern { padding: 8px 12px !important; font-size: 13px !important; border-radius: 10px !important; }
    #teacherCornerBtn { padding: 10px 18px !important; font-size: 11px !important; border-radius: 10px !important; }
    .modal-close-top-left { padding: 6px 12px !important; font-size: 10px !important; border-radius: 8px !important; top: 10px !important; left: 10px !important; }

    .trusted-form-layout { flex-direction: column; align-items: center; gap: 25px; }
    .trusted-form-left, .trusted-form-right { width: 100%; min-width: auto; }
    .photo-preview-container { width: 160px; height: 160px; }
}
/* Стили для заблокированных кнопок меню (без подписки) */
.sidebar-btn.locked-feature {
    background: rgba(15, 23, 42, 0.8) !important;
    color: #64748b !important;
    border: 1px dashed rgba(255, 255, 255, 0.1) !important;
    cursor: not-allowed !important;
    opacity: 0.8;
}
.sidebar-btn.locked-feature:hover {
    background: rgba(15, 23, 42, 0.9) !important;
    transform: none !important;
    box-shadow: none !important;
}

/* Стили для тултипов в панели комиссий */
.tooltip-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: help;
}

.tooltip-text {
    visibility: hidden;
    width: 220px;
    background-color: rgba(15, 23, 42, 0.95);
    color: #fca5a5;
    text-align: center;
    border: 1px solid #ef4444;
    border-radius: 8px;
    padding: 10px;
    position: absolute;
    z-index: 10000;
    bottom: calc(100% + 10px); /* Отступ снизу */
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 11px;
    line-height: 1.4;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    pointer-events: none; /* Чтобы тултип не мешал кликам */
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #ef4444 transparent transparent transparent;
}

.tooltip-container:hover .tooltip-text,
.tooltip-container:active .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Окно не должно растягиваться */
.stat-box-container {
    position: relative;
}

/* ==========================================
   АНИМАЦИЯ И СТИЛИ ШУТОЧНОЙ ЗАГРУЗКИ
========================================== */
.funny-preloader {
    position: fixed;
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0;
    background: #0f172a; /* Темный фон сайта для бесшовного перехода */
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.funny-preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.funny-spinner {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 5px solid transparent;
    /* Градиентные цвета сайта: Синий, Желтый, Фиолетовый */
    border-top-color: #6366f1; 
    border-right-color: #f5e000; 
    border-bottom-color: #62d7e7; 
    /* Неоновое свечение */
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.6), 0 0 40px rgba(245, 224, 0, 0.4), 0 0 60px rgba(168, 85, 247, 0.6);
    animation: funnySpin 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
    margin-bottom: 40px;
}

@keyframes funnySpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.funny-loading-text {
    font-size: 22px;
    font-weight: bold;
    color: #e0d6ff;
    text-align: center;
    max-width: 600px;
    line-height: 1.5;
    padding: 0 20px;
    text-shadow: 0 0 15px rgba(168, 85, 247, 0.6);
    transition: opacity 0.4s ease;
}

.funny-warning-text {
    font-size: 16px;
    color: #94a3b8; /* Чуть тусклее основного текста, чтобы не отвлекать от анимации */
    text-align: center;
    max-width: 500px;
    margin-bottom: 30px;
    line-height: 1.4;
    font-style: italic;
    padding: 0 20px;
}