:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #06ffa5;
    --danger-color: #ff006e;
    --warning-color: #ffbe0b;
    --info-color: #3a86ff;
    --navbar-height: 76px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: var(--dark-color);
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    height: var(--navbar-height);
}

.navbar-dark {
    background-color: transparent !important;
}

.navbar-dark .navbar-brand {
    color: rgba(255, 255, 255, 1) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 1) !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.navbar-dark .navbar-toggler {
    color: rgba(255, 255, 255, 1) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
}
.navbar-collapse.show{
 background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 120px 0 80px;
    margin-top: calc(-1 * var(--navbar-height));
    border-radius: 0 0 30px 30px;
}

/* Feature Cards */
.feature-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 2rem;
}

/* Illustration Container */
.illustration-container {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.illustration-container img {
    transition: transform 0.5s ease;
}

.illustration-container:hover img {
    transform: scale(1.05);
}

/* Auth Cards */
.auth-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.auth-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 20px;
}

.auth-card .card-body {
    padding: 30px;
}

.auth-card .card-footer {
    background-color: var(--light-color);
    border: none;
    padding: 15px 30px;
}

/* Upload Card */
.upload-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.upload-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 20px;
}

.upload-area {
    border: 2px dashed var(--accent-color);
    border-radius: 10px;
    padding: 40px;
    margin: 20px 0;
    transition: all 0.3s ease;
    background-color: rgba(67, 97, 238, 0.05);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.info-item i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.file-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

/* File Card */
.file-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.file-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 20px;
}

/* Files Card */
.files-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.files-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 20px;
}

/* Admin Card */
.admin-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.admin-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 20px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.input-group-text {
    background-color: var(--light-color);
    border: 1px solid #e0e0e0;
    border-radius: 8px 0 0 8px;
}

.input-group .form-control {
    border-radius: 0 8px 8px 0;
}

/* Tables */
.table {
    border-radius: 10px;
    overflow: hidden;
}

.table th {
    background-color: var(--light-color);
    border-bottom: 2px solid var(--primary-color);
    font-weight: 600;
}

.table td {
    vertical-align: middle;
}

/* Accordion */
.accordion-button {
    background-color: var(--light-color);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
}

.accordion-item {
    border: none;
    margin-bottom: 10px;
    border-radius: 10px !important;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Toasts */
.toast-container {
    z-index: 1050;
}

/* Footer */
footer {
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
    }

    .feature-card {
        margin-bottom: 20px;
    }
}
 .main-alert-info{
 width:50%;
 margin-left:auto;
 margin-right:auto;
 min-width:300px;
 }
.file-sharing-illustration {
    padding: 20px;
    border-radius: 15px;
}

[data-bs-theme="dark"] .file-sharing-illustration {
    background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
}

.illustration-container {
    background: transparent;
    box-shadow: none;
}

.illustration-container:hover svg {
    transform: scale(1.02);
    transition: transform 0.5s ease;
}









/* Темная тема */
/*
[data-bs-theme="dark"] {
  --bs-body-color: #e0e0e0;
  --bs-body-color-rgb: 224, 224, 224;
  --bs-body-bg: #121212;
  --bs-body-bg-rgb: 18, 18, 18;
  --bs-secondary-bg: #1e1e1e;
  --bs-border-color: #333333;
  --bs-light: #252525;
  --bs-light-rgb: 37, 37, 37;
}

[data-bs-theme="dark"] body {
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .feature-card,
[data-bs-theme="dark"] .auth-card,
[data-bs-theme="dark"] .upload-card,
[data-bs-theme="dark"] .file-card,
[data-bs-theme="dark"] .files-card,
[data-bs-theme="dark"] .accordion-item {
  background-color: var(--bs-secondary-bg);
  border: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .card {
  background-color: var(--bs-secondary-bg);
  border: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .table {
  --bs-table-bg: var(--bs-secondary-bg);
  --bs-table-color: var(--bs-body-color);
  --bs-table-border-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .form-control {
  background-color: var(--bs-secondary-bg);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .form-control:focus {
  background-color: var(--bs-secondary-bg);
  border-color: var(--primary-color);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .input-group-text {
  background-color: var(--bs-border-color);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] footer.bg-light {
  background-color: var(--bs-secondary-bg) !important;
  color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] footer .text-center {
  background-color: rgba(0, 0, 0, 0.3) !important;
}

[data-bs-theme="dark"] .accordion-button {
  background-color: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .accordion-button:not(.collapsed) {
  background-color: rgba(67, 97, 238, 0.2);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .upload-area {
  background-color: rgba(67, 97, 238, 0.05);
  border-color: var(--bs-border-color);
}
.file-sharing-illustration {
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
}

[data-bs-theme="dark"] .file-sharing-illustration {
    background: linear-gradient(135deg, #1e1e1e 0%, #2d2d2d 100%);
}

.illustration-container {
    background: transparent;
    box-shadow: none;
}

.illustration-container:hover svg {
    transform: scale(1.02);
    transition: transform 0.5s ease;
}
*/




/* Темная тема */
[data-bs-theme="dark"] {

  --bs-body-color: #e8eaed;
  --bs-body-color-rgb: 232, 234, 237;
  --bs-body-bg: #1a1d24;  /* Менее темный серый с синим подтоном */
  --bs-body-bg-rgb: 26, 29, 36;
  --bs-secondary-bg: #252836;  /* Поверхности чуть светлее */
  --bs-border-color: #343847;
  --bs-light: #2d3244;
  --bs-light-rgb: 45, 50, 68;
  
  /* Обновленные цвета для темной темы */
  --primary-color-dark: #6366f1;  /* Более мягкий сине-фиолетовый */
  --secondary-color-dark: #4f46e5;
  --accent-color-dark: #818cf8;

  /*--bs-body-color: #e0e0e0;
  --bs-body-color-rgb: 224, 224, 224;
  --bs-body-bg: #0f1117;
  --bs-body-bg-rgb: 15, 17, 23;
  --bs-secondary-bg: #1a1d28;
  --bs-border-color: #2a2f42;
  --bs-light: #252836;
  --bs-light-rgb: 37, 40, 54;*/
  
  /* Новые цвета для темной темы - более темные сине-фиолетовые оттенки */
  /*--primary-color-dark: #5e72e4;
  --secondary-color-dark: #4a5fc1;
  --accent-color-dark: #6b8cff;*/
}

[data-bs-theme="dark"] .hero-section {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%) !important;
}


[data-bs-theme="dark"] body {
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

/* Обновляем навбар для темной темы */
[data-bs-theme="dark"] .navbar {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%) !important;
}


/* Карточки */
[data-bs-theme="dark"] .feature-card,
[data-bs-theme="dark"] .auth-card,
[data-bs-theme="dark"] .upload-card,
[data-bs-theme="dark"] .file-card,
[data-bs-theme="dark"] .files-card,
[data-bs-theme="dark"] .accordion-item {
  background-color: var(--bs-secondary-bg);
  border: 1px solid var(--bs-border-color);
  color: var(--bs-body-color);
}

/* Заголовки карточек */
[data-bs-theme="dark"] .card-header {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%) !important;
  color: white;
  border-bottom: 1px solid var(--bs-border-color);
}

/* Футер карточек */
[data-bs-theme="dark"] .card-footer {
  background-color: var(--bs-secondary-bg) !important;
  border-top: 1px solid var(--bs-border-color);
  color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .card-footer a {
  color: var(--accent-color-dark);
}

[data-bs-theme="dark"] .card-footer a:hover {
  color: var(--primary-color-dark);
}

/* Таблицы */
[data-bs-theme="dark"] .table {
  --bs-table-bg: var(--bs-secondary-bg);
  --bs-table-color: var(--bs-body-color);
  --bs-table-border-color: var(--bs-border-color);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.05);
  --bs-table-striped-color: var(--bs-body-color);
  --bs-table-active-bg: rgba(255, 255, 255, 0.1);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.075);
  color: var(--bs-body-color);
  border-color: var(--bs-border-color);
}

/*.table-striped>tbody>tr:nth-of-type(odd)>* {
    --bs-table-color-type: var(--bs-table-color);
    --bs-table-bg-type: var(--bs-table-bg);
}

.table-striped>tbody>tr:nth-of-type(even)>* {
    --bs-table-color-type: var(--bs-table-striped-color);
    --bs-table-bg-type: var(--bs-table-striped-bg);
}*/

[data-bs-theme="dark"] .table th {
  background-color: var(--bs-light) !important;
  border-bottom: 2px solid var(--primary-color-dark) !important;
  color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: var(--bs-table-striped-bg);
  color: var(--bs-table-striped-color);
}

[data-bs-theme="dark"] .table-hover > tbody > tr:hover > * {
  --bs-table-accent-bg: var(--bs-table-hover-bg);
  color: var(--bs-body-color);
}

/* Формы */
[data-bs-theme="dark"] .form-control {
  background-color: var(--bs-secondary-bg);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .form-control:focus {
  background-color: var(--bs-secondary-bg);
  border-color: var(--primary-color-dark);
  color: var(--bs-body-color);
  box-shadow: 0 0 0 0.2rem rgba(94, 114, 228, 0.25);
}

[data-bs-theme="dark"] .input-group-text {
  background-color: var(--bs-light);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

/* Аккордеон */
[data-bs-theme="dark"] .accordion-button {
  background-color: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .accordion-button:not(.collapsed) {
  background-color: rgba(94, 114, 228, 0.2);
  color: var(--bs-body-color);
  box-shadow: inset 0 -1px 0 var(--bs-border-color);
}

[data-bs-theme="dark"] .accordion-body {
  background-color: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

/* Кнопки */
[data-bs-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%);
  border: none;
}

[data-bs-theme="dark"] .btn-outline-primary {
  border-color: var(--primary-color-dark);
  color: var(--primary-color-dark);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
  background-color: var(--primary-color-dark);
  border-color: var(--primary-color-dark);
}

/* Футер страницы */
[data-bs-theme="dark"] footer.bg-light {
  background-color: var(--bs-secondary-bg) !important;
  color: var(--bs-body-color) !important;
}

[data-bs-theme="dark"] footer .text-center {
  background-color: rgba(0, 0, 0, 0.3) !important;
  color: var(--bs-body-color) !important;
}

/* Зона загрузки */
[data-bs-theme="dark"] .upload-area {
  background-color: rgba(94, 114, 228, 0.05);
  border-color: var(--bs-border-color);
}

[data-bs-theme="dark"] .upload-area:hover,
[data-bs-theme="dark"] .upload-area.drag-over {
  border-color: var(--primary-color-dark);
  background-color: rgba(94, 114, 228, 0.1);
}

/* Иконки фич */
[data-bs-theme="dark"] .feature-icon {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--accent-color-dark) 100%);
}

/* Алерты */
[data-bs-theme="dark"] .alert-info {
  background-color: rgba(94, 114, 228, 0.1);
  border-color: var(--primary-color-dark);
  color: var(--bs-body-color);
}

/* SVG иллюстрация для темной темы */
[data-bs-theme="dark"] .file-sharing-illustration {
  background: linear-gradient(135deg, var(--bs-secondary-bg) 0%, var(--bs-light) 100%);
}

[data-bs-theme="dark"] .file-sharing-illustration svg ellipse,
[data-bs-theme="dark"] .file-sharing-illustration svg rect {
  opacity: 0.9;
}

/* Плавные переходы для темы */
body, .card, .table, .form-control, .btn, .navbar, footer {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Для предотвращения мерцания при быстром применении темы */
[data-bs-theme="dark"] {
    transition: all 0.3s ease;
}



/* Стили для переключателя темы в навбаре */
#themeToggle {
    border: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: rgba(255, 255, 255, 0.8) ;
    transition: all 0.3s ease;
    border-radius: 50% !important; /* Делаем круглой */
    width: 40px !important; /* Фиксированная ширина */
    height: 40px !important; /* Фиксированная высота */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    margin: 0 5px !important;
}

#themeToggle:hover {
    transform: scale(1.1);
    color: rgba(255, 255, 255, 0.8) !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.navbar-nav .nav-link#themeToggle {
    color: rgba(255, 255, 255, 1) !important;
    border-radius: 50% !important;
}

/* Убираем стандартные стили навбара для кнопки */
.navbar-nav .nav-item #themeToggle.nav-link {
    padding: 0 !important;
    margin: 0 5px !important;
}

/* Для темной темы */
[data-bs-theme="dark"] #themeToggle {
    color: var(--light-color) !important; /* Желтый цвет для солнца */
}

[data-bs-theme="dark"] #themeToggle:hover {
    color: var(--light-color) !important;
    background-color: rgba(255, 255, 255, 0.15) !important;
}

[data-bs-theme="dark"] .feature-card,
[data-bs-theme="dark"] .auth-card,
[data-bs-theme="dark"] .upload-card,
[data-bs-theme="dark"] .file-card,
[data-bs-theme="dark"] .files-card,
[data-bs-theme="dark"] .accordion-item {
  background-color: var(--bs-secondary-bg);
  border: 1px solid var(--bs-border-color);
  color: var(--bs-body-color);
  backdrop-filter: blur(10px);
}

/* Навбар с новыми цветами */
[data-bs-theme="dark"] .navbar {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%) !important;
  backdrop-filter: blur(10px);
}

/* Таблицы */
[data-bs-theme="dark"] .table {
  --bs-table-bg: var(--bs-secondary-bg);
  --bs-table-color: var(--bs-body-color);
  --bs-table-border-color: var(--bs-border-color);
  --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
  --bs-table-striped-color: var(--bs-body-color);
  --bs-table-active-bg: rgba(255, 255, 255, 0.05);
  --bs-table-hover-bg: rgba(255, 255, 255, 0.04);
}

[data-bs-theme="dark"] .table th {
  background-color: var(--bs-light) !important;
  border-bottom: 2px solid var(--primary-color-dark) !important;
}

/* Формы */
[data-bs-theme="dark"] .form-control {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

[data-bs-theme="dark"] .form-control:focus {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color-dark);
  box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

/* Кнопки */
[data-bs-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--secondary-color-dark) 100%);
  border: none;
}

[data-bs-theme="dark"] .btn-outline-primary {
  border-color: var(--primary-color-dark);
  color: var(--primary-color-dark);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
  background-color: var(--primary-color-dark);
  border-color: var(--primary-color-dark);
}

/* Иконки фич с новыми цветами */
[data-bs-theme="dark"] .feature-icon {
  background: linear-gradient(135deg, var(--primary-color-dark) 0%, var(--accent-color-dark) 100%);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}