/* Цветовая палитра - светлая тема */
:root {
    --color-blue: #4a6fa5;
    --color-light-blue: #7ba3d0;
    --color-orange: #d4a574;
    --color-dark-orange: #b8915f;
    --color-brown: #8b7355;
    --color-light-brown: #d4c4b0;
    --color-dark-brown: #6b5d47;
    --color-black: #2c2c2c;
    --color-white: #ffffff;
    --color-gray: #e8e4df;
    --color-dark-gray: #5a5a5a;
    
    /* Фоновые цвета */
    --bg-primary: linear-gradient(135deg, #f5f1eb 0%, #ebe6df 100%);
    --bg-card: var(--color-white);
    --bg-input: var(--color-white);
    --bg-input-focus: #fafafa;
    
    /* Текстовые цвета */
    --text-primary: var(--color-black);
    --text-secondary: var(--color-dark-gray);
    
    /* Границы */
    --border-color: var(--color-light-brown);
    --border-color-hover: var(--color-light-blue);
    
    /* Цвета панелей дашборда */
    --dashboard-blue-start: #2196F3;
    --dashboard-blue-end: #1976D2;
    --dashboard-green-start: #4CAF50;
    --dashboard-green-end: #388E3C;
    --dashboard-yellow-start: #FFC107;
    --dashboard-yellow-end: #FFA000;
    
    /* Bootstrap адаптация */
    --bs-body-bg: #f5f1eb;
    --bs-body-color: var(--text-primary);
    --bs-dark: #212529;
    --bs-light: #f8f9fa;
}

/* Цветовая палитра - темная тема */
[data-theme="dark"] {
    --color-blue: #6b9dd9;
    --color-light-blue: #8fb8e8;
    --color-orange: #e8b88a;
    --color-dark-orange: #d4a574;
    --color-brown: #a6896b;
    --color-light-brown: #8b7a6a;
    --color-dark-brown: #7a6b5a;
    --color-black: #e0e0e0;
    --color-white: #2d3a4a;
    --color-gray: #3a4a5a;
    --color-dark-gray: #b0b0b0;
    
    /* Фоновые цвета - серо-голубые оттенки */
    --bg-primary: linear-gradient(135deg, #2d3a4a 0%, #3a4a5a 100%);
    --bg-card: #3a4a5a;
    --bg-input: #3a4a5a;
    --bg-input-focus: #4a5a6a;
    
    /* Текстовые цвета */
    --text-primary: var(--color-black);
    --text-secondary: var(--color-dark-gray);
    
    /* Границы */
    --border-color: var(--color-light-brown);
    --border-color-hover: var(--color-light-blue);
    
    /* Цвета панелей дашборда (более светлые для темной темы) */
    --dashboard-blue-start: #42A5F5;
    --dashboard-blue-end: #1E88E5;
    --dashboard-green-start: #66BB6A;
    --dashboard-green-end: #43A047;
    --dashboard-yellow-start: #FFD54F;
    --dashboard-yellow-end: #FFB300;
    
    /* Bootstrap адаптация */
    --bs-body-bg: #2d3a4a;
    --bs-body-color: var(--text-primary);
    --bs-dark: #3a4a5a;
    --bs-light: #4a5a6a;
}

/* Применение темы к body */
body {
    background: var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

/* Стили для navbar и footer в светлой теме - мягкие пастельные синие/голубые цвета */
body:not([data-theme="dark"]) .navbar-dark.bg-dark {
    background: linear-gradient(135deg, rgba(123, 163, 208, 0.6) 0%, rgba(139, 184, 232, 0.5) 100%) !important;
    border-bottom: 1px solid rgba(123, 163, 208, 0.2);
    box-shadow: 0 1px 2px rgba(74, 111, 165, 0.05);
    backdrop-filter: blur(10px);
}

body:not([data-theme="dark"]) footer.bg-dark {
    background: linear-gradient(135deg, rgba(123, 163, 208, 0.6) 0%, rgba(139, 184, 232, 0.5) 100%) !important;
    border-top: 1px solid rgba(123, 163, 208, 0.2);
    backdrop-filter: blur(10px);
}

body:not([data-theme="dark"]) .navbar-dark .nav-link {
    color: rgba(44, 44, 44, 0.85) !important;
}

body:not([data-theme="dark"]) .navbar-dark .nav-link:hover {
    color: rgba(44, 44, 44, 1) !important;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

body:not([data-theme="dark"]) .navbar-dark .navbar-brand {
    color: rgba(44, 44, 44, 0.9) !important;
    font-weight: 600;
}

body:not([data-theme="dark"]) .navbar-dark .navbar-brand:hover {
    color: rgba(44, 44, 44, 1) !important;
}

body:not([data-theme="dark"]) footer.bg-dark {
    color: rgba(44, 44, 44, 0.85) !important;
}

/* Адаптация Bootstrap для темной темы - менее контрастные цвета */
[data-theme="dark"] .navbar-dark {
    background-color: rgba(58, 74, 90, 0.7) !important;
    border-bottom: 1px solid rgba(90, 184, 232, 0.15);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] footer.bg-dark {
    background-color: rgba(58, 74, 90, 0.7) !important;
    border-top: 1px solid rgba(90, 184, 232, 0.15);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .navbar-dark .nav-link {
    color: rgba(224, 224, 224, 0.9) !important;
}

[data-theme="dark"] .navbar-dark .nav-link:hover {
    color: rgba(224, 224, 224, 1) !important;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

[data-theme="dark"] .navbar-dark .navbar-brand {
    color: rgba(224, 224, 224, 0.95) !important;
    font-weight: 600;
}

[data-theme="dark"] .navbar-dark .navbar-brand:hover {
    color: rgba(224, 224, 224, 1) !important;
}

[data-theme="dark"] footer.bg-dark {
    color: rgba(224, 224, 224, 0.9) !important;
}

[data-theme="dark"] .card {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .form-control {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-light-blue) 100%);
    border-color: var(--color-light-blue);
}

[data-theme="dark"] .btn-primary:hover {
    background: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-blue) 100%);
    border-color: var(--color-blue);
}

[data-theme="dark"] .btn-secondary {
    background-color: var(--color-dark-brown);
    border-color: var(--color-dark-brown);
    color: var(--color-white);
}

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

[data-theme="dark"] .alert {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(76, 175, 80, 0.2);
    border-color: #4caf50;
    color: #81c784;
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(244, 67, 54, 0.2);
    border-color: #f44336;
    color: #e57373;
}

[data-theme="dark"] .alert-info {
    background-color: rgba(33, 150, 243, 0.2);
    border-color: #2196f3;
    color: #64b5f6;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(255, 152, 0, 0.2);
    border-color: #ff9800;
    color: #ffb74d;
}

/* Переключатель темы */
.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    width: 40px;
    height: 40px;
    min-width: 40px;
    max-width: 40px;
    min-height: 40px;
    max-height: 40px;
    line-height: 1;
    box-sizing: border-box;
    position: relative;
    margin: 0 0 0 10px;
    vertical-align: middle;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.nav-item .theme-toggle {
    margin: 0;
    align-self: center;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    flex-shrink: 0;
}

.theme-toggle .theme-icon-light,
.theme-toggle .theme-icon-dark {
    display: block;
}

.theme-toggle .theme-icon-light[style*="display: none"],
.theme-toggle .theme-icon-dark[style*="display: none"] {
    display: none !important;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Переключатель языка */
.language-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    min-width: 50px;
    height: 40px;
    line-height: 1;
    box-sizing: border-box;
    position: relative;
    margin: 0 0 0 10px;
    vertical-align: middle;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.nav-item .language-toggle {
    margin: 0;
    align-self: center;
}

.language-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.language-toggle:active {
    transform: translateY(0);
}

.language-toggle .language-text {
    font-weight: 600;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .language-toggle {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .language-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Стили для панелей дашборда */
.dashboard-stat-card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.dashboard-stat-blue {
    background: linear-gradient(135deg, var(--dashboard-blue-start) 0%, var(--dashboard-blue-end) 100%) !important;
}

.dashboard-stat-green {
    background: linear-gradient(135deg, var(--dashboard-green-start) 0%, var(--dashboard-green-end) 100%) !important;
}

.dashboard-stat-yellow {
    background: linear-gradient(135deg, var(--dashboard-yellow-start) 0%, var(--dashboard-yellow-end) 100%) !important;
}

/* Стили для меню админ-панели в темной теме */
[data-theme="dark"] .card .nav-link {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .card .nav-link:hover {
    color: var(--color-light-blue) !important;
    background-color: rgba(143, 184, 232, 0.1);
}

[data-theme="dark"] .card .nav-link.active {
    color: var(--color-light-blue) !important;
    background-color: rgba(143, 184, 232, 0.2);
    font-weight: 600;
}

/* Светлая тема - меню остается стандартным */
.card .nav-link {
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.card .nav-link:hover {
    color: var(--color-blue);
    background-color: rgba(74, 111, 165, 0.1);
}

.card .nav-link.active {
    color: var(--color-blue);
    background-color: rgba(74, 111, 165, 0.15);
    font-weight: 600;
}

/* Стили для кнопки "Обзор" в input[type="file"] */
/* Для современных браузеров */
[data-theme="dark"] input[type="file"]::file-selector-button {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-light-blue) 100%);
    border: 1px solid var(--color-light-blue);
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 8px;
}

[data-theme="dark"] input[type="file"]::file-selector-button:hover {
    background: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-blue) 100%);
    border-color: var(--color-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] input[type="file"]::file-selector-button:active {
    transform: translateY(0);
}

/* Для старых версий Chrome/Safari (webkit) */
[data-theme="dark"] input[type="file"]::-webkit-file-upload-button {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-light-blue) 100%);
    border: 1px solid var(--color-light-blue);
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 8px;
}

[data-theme="dark"] input[type="file"]::-webkit-file-upload-button:hover {
    background: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-blue) 100%);
    border-color: var(--color-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] input[type="file"]::-webkit-file-upload-button:active {
    transform: translateY(0);
}

/* Для старых версий Edge/IE - устаревший селектор, оставлен для совместимости */
/* Современные браузеры игнорируют этот селектор, что нормально */