/* Современные стили для приложения учета расхода бензина */

:root {
    /* Обновленная цветовая схема: темно сине-зеленые оттенки */
    --primary-color: #1D4E64;  /* Темный сине-зеленый */
    --primary-dark: #0A2E3D;   /* Еще более темный сине-зеленый */
    --primary-light: #E5F4F9;  /* Светлый сине-зеленый */
    --secondary-color: #36AE7C; /* Зеленый */
    --warning-color: #F9D923;   /* Желтый */
    --danger-color: #EB5353;    /* Красный */
    --dark-color: #1E2A3B;      /* Темно-синий */
    --light-color: #F8FCFF;     /* Светло-голубой */
    --text-color: #2C3E50;      /* Темно-серый для текста */
    --text-secondary: #607D8B;  /* Серо-голубой для вторичного текста */
    --border-radius: 0.625rem;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Фоны */
    --bg-main: #F8FCFF;
    --bg-card: #FFFFFF;
    --bg-nav: linear-gradient(135deg, #1D4E64, #0A2E3D);
    
    /* Тени */
    --shadow-color: rgba(0, 0, 0, 0.12);
}

/* Темная тема */
.dark-theme {
    --primary-color: #206E8D;  /* Светлее для темной темы */
    --primary-dark: #0E3F57;
    --primary-light: #102F3F;
    --secondary-color: #3BC98A;
    --warning-color: #FFE45C;
    --danger-color: #FF6B6B;
    --dark-color: #0A1929;
    --light-color: #121E2E;
    --text-color: #E1E8ED;
    --text-secondary: #A4B0BC;
    
    /* Фоны */
    --bg-main: #0F1923;
    --bg-card: #162231;
    --bg-nav: linear-gradient(135deg, #133446, #0A2A3C);
    
    /* Тени */
    --shadow-color: rgba(0, 0, 0, 0.4);
    --box-shadow: 0 10px 20px var(--shadow-color);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-color);
    background-color: var(--bg-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Базовые анимации */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Навигационная панель */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: translateY(-2px);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
}

.nav-link {
    position: relative;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: white;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover:after,
.nav-link.active:after {
    width: 80%;
}

/* Карточки */
.card {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: none;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
    background-color: var(--bg-card);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
}

.card-header {
    border-top-left-radius: var(--border-radius) !important;
    border-top-right-radius: var(--border-radius) !important;
    font-weight: 600;
    padding: 1rem 1.25rem;
    background-color: rgba(248, 249, 250, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Улучшение контрастности заголовков карточек */
.card.text-white .card-header {
    color: white !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.dark-theme .card.text-white .card-header {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.card.bg-primary .card-header, 
.card.bg-success .card-header, 
.card.bg-info .card-header,
.card.bg-warning .card-header,
.card.bg-danger .card-header {
    background-color: rgba(0, 0, 0, 0.1);
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-success {
    background-color: var(--secondary-color) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

.bg-dark {
    background-color: var(--dark-color) !important;
}

/* Карточки статистики */
.stats-card.primary-card {
    background: linear-gradient(145deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.stats-card.success-card {
    background: linear-gradient(145deg, var(--secondary-color), #2D916A);
    color: white;
}

.stats-card.warning-card {
    background: linear-gradient(145deg, var(--warning-color), #E2B100);
    color: #333;
}

.stats-card.danger-card {
    background: linear-gradient(145deg, var(--danger-color), #D43F3F);
    color: white;
}

.stats-card {
    border: none;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1.25rem;
    animation: fadeIn 0.5s ease-out;
}

.stats-card .card-body {
    padding: 1.5rem;
}

.stats-card .card-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.stats-card .card-text {
    opacity: 0.85;
    font-size: 0.95rem;
}

.stats-card .icon-bg {
    position: absolute;
    bottom: -15px;
    right: -15px;
    font-size: 6rem;
    opacity: 0.1;
    transform: rotate(-15deg);
}

/* Таблицы */
.custom-table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.custom-table thead th {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    font-weight: 500;
    border: none;
}

.custom-table tbody tr:hover {
    background-color: rgba(29, 78, 100, 0.05);
    transition: all 0.2s ease;
}

.custom-table tbody td {
    padding: 0.85rem 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.custom-table tbody tr:last-child td {
    border-bottom: none;
}

/* Кнопки */
.btn {
    border-radius: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-outline-primary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Формы */
.form-floating > label {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    transform: scale(0.85) translateY(-1rem) translateX(0.15rem);
    background-color: white;
    padding: 0 0.5rem;
    height: auto;
}

.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(29, 78, 100, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

/* Стили для графиков */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
    background: white;
    padding: 1.25rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.chart-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-align: center;
}

.chart-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    border-radius: var(--border-radius);
    background: white;
    padding: 1.25rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.chart-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.chart-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.5), rgba(255,255,255,0));
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.chart-loading::before {
    opacity: 1;
}

/* Уведомления */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 1.25rem;
    animation: slideIn 0.3s ease-out;
    margin-bottom: 1.5rem;
}

/* Индикаторы лимита */
.limit-exceeded {
    color: var(--danger-color);
    font-weight: 600;
}

.limit-normal {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Бейджи */
.badge {
    padding: 0.4rem 0.75rem;
    border-radius: 50rem;
    font-weight: 500;
    transition: var(--transition);
}

.badge:hover {
    transform: scale(1.05);
}

/* Заголовки секций */
.section-header {
    position: relative;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.section-header::before {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Подвал */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    position: relative;
    margin-top: auto;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color), var(--warning-color));
}

/* Формы */
.consumption-form {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.consumption-form:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Адаптивность */
@media (max-width: 1200px) {
    .card-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 992px) {
    .stats-card .card-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .table-responsive {
        border-radius: var(--border-radius);
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 576px) {
    body {
        font-size: 0.95rem;
    }
    
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* Лоадер */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(29, 78, 100, 0.2);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

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

.page-transition {
    animation: fadeIn 0.5s ease-out;
}

.progress {
    border-radius: 50rem;
    height: 0.85rem;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.progress-bar {
    transition: width 1s ease;
}

[data-bs-toggle="tooltip"] {
    cursor: pointer;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.offcanvas {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.15);
}

.offcanvas-header {
    padding: 1.25rem;
}

.mobile-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.mobile-link:hover, .mobile-link.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    text-decoration: none;
}

.mobile-link i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.user-info {
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: var(--primary-light);
    margin-top: 1rem;
}

.back-to-top {
    position: fixed;
    bottom: -60px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.show {
    bottom: 30px;
    opacity: 1;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.nav-item {
    transition: var(--transition);
}

.nav-item:hover {
    transform: translateY(-2px);
}

.page-content {
    animation: fadeIn 0.5s ease-out;
}

.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.25rem;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.25rem;
}

.modal-body {
    padding: 1.5rem;
}

@media print {
    .navbar, .footer, .back-to-top, .btn-print {
        display: none !important;
    }
    
    body {
        background-color: white !important;
    }
    
    .container {
        max-width: 100% !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Переключатель темы */
.theme-switcher {
    position: relative;
    width: 60px;
    height: 30px;
    margin-left: 15px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0 5px;
    transition: all 0.3s ease;
}

.theme-switcher:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.theme-switcher__toggle {
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: white;
    left: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--primary-dark);
}

.theme-switcher.dark .theme-switcher__toggle {
    left: 34px;
    background-color: var(--primary-light);
    color: var(--light-color);
}

.theme-switcher__icon {
    position: absolute;
    font-size: 14px;
    transition: all 0.3s ease;
}

.theme-switcher__icon--sun {
    right: 7px;
    color: #F9D923;
    opacity: 1;
}

.theme-switcher__icon--moon {
    left: 7px;
    color: #ffffff;
    opacity: 0.7;
}

.theme-switcher.dark .theme-switcher__icon--sun {
    opacity: 0.7;
}

.theme-switcher.dark .theme-switcher__icon--moon {
    opacity: 1;
}