/* ============================================
   MAIN STYLES — Modern Design System
   ============================================ */

/* --- Base --- */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-color);
    background-color: var(--bg-secondary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- Header --- */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background-color: var(--bg-color);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-subtle);
    isolation: isolate;
    transform: translateZ(0);
    will-change: transform;
}

/* Защита от наложения контента на sticky-шапку в WebView */
.content { position: relative; z-index: 1; }

.header-content {
    padding-right: 80px;
}

.header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.logo-image {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.header-text {
    text-align: left;
}

.header-text h1 {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin: 0 0 1px;
    letter-spacing: -0.3px;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* --- Version Badge --- */
.version-badge {
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.version-badge:hover {
    background: var(--primary-hover);
    transform: translateY(-50%) scale(1.05);
}

.version-badge:active {
    transform: translateY(-50%) scale(0.95);
}

.version-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevated);
    min-width: 200px;
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.version-menu.show { display: block; }

.version-menu-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--divider-color);
    color: var(--text-color);
    font-size: var(--font-size-sm);
}

.version-menu-item:last-child { border-bottom: none; }
.version-menu-item:hover { background: var(--primary-light); color: var(--primary-color); }

/* --- Cards --- */
.card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-subtle);
}

.card h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* --- User Info Card --- */
.user-info {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.25);
}

.user-info h3 {
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
}
.user-info p { opacity: 0.95; }
.user-info .user-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* --- Info Card --- */
.info-card {
    border-left: 3px solid var(--primary-color);
    background: var(--primary-light);
    border-color: var(--primary-color);
}

.info-card p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
    font-size: var(--font-size-sm);
}

.info-card p:last-child { margin-bottom: 0; }

/* --- Home Page Menu --- */
.menu {
    margin-bottom: var(--spacing-lg);
}

.menu h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.menu .menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-subtle);
}

.menu .menu-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.menu .menu-item:active {
    transform: translateY(0);
}

.menu-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.menu-content { flex: 1; }

.menu-title {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-color);
    margin-bottom: 2px;
}

.menu-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ">" chevron after each menu item */
.menu .menu-item::after {
    content: '\203A';
    font-size: 24px;
    color: var(--text-tertiary);
    flex-shrink: 0;
    font-weight: 300;
}

/* --- Bottom Navigation --- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 0.5px solid var(--border-color);
    padding: var(--spacing-xs) 0;
    z-index: var(--z-bottom-nav);
}

[data-theme="dark"] .bottom-nav {
    background: rgba(28, 28, 30, 0.92);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 6px 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    min-height: var(--bottom-nav-height);
    position: relative;
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item:hover {
    color: var(--primary-color);
}

.nav-icon {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.nav-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-align: center;
}

/* Бейдж непрочитанных на вкладке "Контакты"/"Чат" */
.nav-item .nav-badge {
    position: absolute;
    top: 4px;
    right: 50%;
    transform: translateX(18px);
    min-width: 16px;
    height: 16px;
    padding: 0 5px;
    background: #FF3B30;
    color: #fff;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    box-sizing: border-box;
    pointer-events: none;
}

/* Когда вкладка для админа — бейдж синий (это "ожидающие ответа") */
.nav-item-contacts.is-admin .nav-badge {
    background: var(--primary-color);
}

.content {
    padding-bottom: calc(var(--bottom-nav-height) + 24px);
}

@media (min-width: 768px) {
    .bottom-nav {
        max-width: 768px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        box-shadow: var(--shadow-elevated);
    }
}

/* --- Loading --- */
.loading {
    text-align: center;
    padding: var(--spacing-2xl);
}

.spinner {
    width: 36px;
    height: 36px;
    margin: 0 auto var(--spacing-md);
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Error --- */
.error-message {
    text-align: center;
    padding: var(--spacing-xl);
}

.error-message p {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-lg);
    color: var(--error-color);
}

/* --- Alert Card (Medcards) --- */
.alert-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--warning-light);
    border: 1px solid var(--warning-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.alert-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.alert-icon { font-size: 28px; flex-shrink: 0; }
.alert-content { flex: 1; }
.alert-title { font-weight: 600; font-size: var(--font-size-base); color: var(--text-color); margin-bottom: 2px; }
.alert-subtitle { font-size: var(--font-size-sm); color: var(--text-secondary); }
.alert-arrow { font-size: 20px; color: var(--text-tertiary); }

/* --- Modals --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-md);
    animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    /* card-bg чуть светлее --bg-color в тёмной теме — модалка выделяется
       поверх затемнённого overlay, не сливается с фоном страницы */
    background: var(--card-bg, var(--bg-color));
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-elevated);
    animation: modalSlideUp 0.25s ease-out;
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-fullheight { max-height: 90vh; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--divider-color);
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover { color: var(--text-color); }

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* --- Unread Medcards --- */
.unread-medcard-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.unread-medcard-item:hover { border-color: var(--primary-color); transform: translateX(4px); }
.unread-medcard-item:last-child { margin-bottom: 0; }
.medcard-pet-name { font-weight: 600; font-size: var(--font-size-base); color: var(--primary-color); }
.medcard-info { font-size: var(--font-size-sm); color: var(--text-color); }
.medcard-doctor { font-size: var(--font-size-sm); color: var(--text-secondary); }
.medcard-diagnos { font-size: var(--font-size-sm); color: var(--text-color); opacity: 0.8; }

/* --- Sync Banners --- */
.sync-banner {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-md);
    animation: syncFadeIn 0.3s ease;
}

@keyframes syncFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.sync-active { background: var(--primary-light); color: var(--primary-hover); border: 1px solid #B3D7FF; }
.sync-success { background: var(--success-light); color: #2E7D32; border: 1px solid #A5D6A7; }
.sync-error { background: var(--warning-light); color: #E65100; border: 1px solid #FFCC80; }

.sync-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid #B3D7FF;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

.sync-banner-module {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-md);
    background: var(--primary-light);
    color: var(--primary-hover);
    border: 1px solid #B3D7FF;
}

/* --- Menu List (More page, Settings) --- */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.menu-list .menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 14px var(--spacing-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
    box-shadow: var(--shadow-subtle);
}

.menu-list .menu-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
    transform: translateY(-1px);
}

.menu-list .menu-item:active { transform: translateY(0); }

.menu-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.menu-item-content { flex: 1; }
.menu-item-title { font-size: var(--font-size-base); font-weight: 600; color: var(--text-color); margin-bottom: 1px; }
.menu-item-description { font-size: var(--font-size-sm); color: var(--text-secondary); }
.menu-item-arrow { font-size: 22px; color: var(--text-tertiary); flex-shrink: 0; }

/* --- Page Container (shared by modules) --- */
.page-container {
    max-width: 768px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--text-color);
    letter-spacing: -0.5px;
}

.page-description {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin: 0;
}

/* --- Shared Button Styles --- */
.btn {
    padding: 14px 24px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.35);
}

.btn-primary:active { transform: translateY(0); }

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-state-icon { font-size: 56px; margin-bottom: var(--spacing-md); opacity: 0.7; }
.empty-state-text { font-size: var(--font-size-md); }

/* --- Loading Small --- */
.loading-small {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* --- Document pending alert (более яркий чем medcards) --- */
.alert-card.alert-card-warning {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    border: 1.5px solid #FB8C00;
    box-shadow: 0 2px 8px rgba(251, 140, 0, 0.15);
    animation: alert-pulse-doc 2s ease-in-out infinite;
}
.alert-card.alert-card-warning .alert-title { color: #E65100; }
.alert-card.alert-card-warning .alert-subtitle { color: #BF360C; }
.alert-card.alert-card-warning .alert-arrow { color: #E65100; }

@keyframes alert-pulse-doc {
    0%, 100% { box-shadow: 0 2px 8px rgba(251, 140, 0, 0.15); }
    50%      { box-shadow: 0 2px 16px rgba(251, 140, 0, 0.35); }
}

/* --- Тёмная тема: alert-card-warning имеет хардкод-градиент,
       который на тёмном фоне даёт нечитаемые тёмно-оранжевые буквы на бледном песке.
       Делаем его более прозрачным и светлим текст. --- */
[data-theme="dark"] .alert-card.alert-card-warning,
.theme-dark .alert-card.alert-card-warning {
    background: linear-gradient(135deg, rgba(251,140,0,0.18) 0%, rgba(251,140,0,0.28) 100%);
    border-color: #FB8C00;
    box-shadow: 0 2px 8px rgba(251, 140, 0, 0.25);
}
[data-theme="dark"] .alert-card.alert-card-warning .alert-title,
.theme-dark .alert-card.alert-card-warning .alert-title { color: #FFB74D; }
[data-theme="dark"] .alert-card.alert-card-warning .alert-subtitle,
.theme-dark .alert-card.alert-card-warning .alert-subtitle { color: #FFCC80; }
[data-theme="dark"] .alert-card.alert-card-warning .alert-arrow,
.theme-dark .alert-card.alert-card-warning .alert-arrow { color: #FFB74D; }
@media (prefers-color-scheme: dark) {
    /* Браузер без явной темы — тоже учитываем */
    html:not([data-theme="light"]):not(.theme-light) .alert-card.alert-card-warning {
        background: linear-gradient(135deg, rgba(251,140,0,0.18) 0%, rgba(251,140,0,0.28) 100%);
    }
    html:not([data-theme="light"]):not(.theme-light) .alert-card.alert-card-warning .alert-title { color: #FFB74D; }
    html:not([data-theme="light"]):not(.theme-light) .alert-card.alert-card-warning .alert-subtitle { color: #FFCC80; }
    html:not([data-theme="light"]):not(.theme-light) .alert-card.alert-card-warning .alert-arrow { color: #FFB74D; }
}

/* --- Бейдж количества возле пункта меню --- */
.menu-item-badge {
    display: inline-block;
    margin-left: 6px;
    min-width: 22px;
    padding: 2px 8px;
    background: #FF3B30;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.5;
    border-radius: 999px;
    text-align: center;
    vertical-align: middle;
    box-shadow: 0 1px 3px rgba(255, 59, 48, 0.4);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-sm); }
    .header-content { padding-right: 70px; }
    .version-badge { right: var(--spacing-sm); padding: 4px 10px; }
}