:root {
    --accent: <?= $color_settings['accent'] ?? '#007aff' ?>;
    --accent-hover: <?= $color_settings['accent_hover'] ?? '#0051d5' ?>;
    --bg-primary: <?= $color_settings['bg_primary'] ?? '#ffffff' ?>;
    --bg-secondary: <?= $color_settings['bg_secondary'] ?? '#f5f5f7' ?>;
    --text-primary: <?= $color_settings['text_primary'] ?? '#1a1a1a' ?>;
    --text-secondary: <?= $color_settings['text_secondary'] ?? '#8e8e93' ?>;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #f8f8fa;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-primary: #1a1a1a;
    --text-secondary: #8e8e93;
    --text-tertiary: #6c6c70;
    --accent: #007aff;
    --accent-hover: #0051d5;
    --divider: rgba(0, 0, 0, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --danger: #ff3b30;
    --success: #34c759;
    --warning: #ff9500;
}

[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #1c1c1e;
    --bg-tertiary: #2c2c2e;
    --glass-bg: rgba(28, 28, 30, 0.95);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #98989e;
    --text-tertiary: #8e8e93;
    --divider: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Контейнер приложения */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
}

/* Поиск */
.search-header {
    padding: 12px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--divider);
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-box {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s;
}

.search-box:focus-within {
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 2px var(--accent);
}

.search-box i {
    color: var(--text-secondary);
    font-size: 18px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--text-primary);
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

/* Список чатов */
.chats-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.chat-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s;
    position: relative;
}

.chat-item:hover {
    background: var(--bg-secondary);
}

.avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--text-secondary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-info {
    flex: 1;
    min-width: 0;
}

.chat-name {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 16px;
}

.last-message {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.unread-badge {
    background: var(--accent);
    color: white;
    border-radius: 20px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: bold;
    min-width: 20px;
    text-align: center;
}

/* Нижнее меню */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 16px 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--divider);
    position: sticky;
    bottom: 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 11px;
    gap: 4px;
    transition: color 0.2s;
    padding: 6px 12px;
    border-radius: 12px;
}

.nav-item i, .mini-avatar {
    font-size: 22px;
}

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

.nav-item:hover {
    background: var(--bg-secondary);
}

.mini-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
}

.mini-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Страница входа/регистрации */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 440px;
    padding: 32px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
}

/* Выбор страны */
.country-selector-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.country-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px 0;
}

.country-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 12px;
}

.country-item:hover {
    background: var(--bg-secondary);
}

.country-item .flag {
    font-size: 28px;
}

.country-item .country-name {
    flex: 1;
    font-weight: 500;
}

.country-item .country-code {
    color: var(--text-secondary);
}

.phone-input-wrapper {
    display: flex;
    gap: 12px;
    margin: 24px 0;
}

.country-select-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--divider);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
}

.country-select-btn:hover {
    background: var(--bg-tertiary);
}

.phone-input {
    flex: 1;
    border: 1px solid var(--divider);
    border-radius: 14px;
    padding: 12px 16px;
    font-size: 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s;
}

.phone-input:focus {
    border-color: var(--accent);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 16px;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    width: 100%;
    padding: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--divider);
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.code-input {
    text-align: center;
    font-size: 32px;
    letter-spacing: 8px;
    font-weight: 600;
    padding: 16px;
}

/* Профиль */
.profile-page {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg-primary);
}

.profile-header {
    text-align: center;
    padding: 48px 20px 32px;
    position: relative;
}

.back-btn {
    position: absolute;
    left: 20px;
    top: 20px;
    font-size: 24px;
    color: var(--text-primary);
    text-decoration: none;
    background: var(--bg-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    overflow: hidden;
    border: 3px solid var(--accent);
    cursor: pointer;
    position: relative;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.profile-avatar:hover .profile-avatar-overlay {
    opacity: 1;
}

.profile-header h2 {
    font-size: 24px;
    margin-bottom: 4px;
}

.profile-header .username {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 14px;
}

.profile-header .bio {
    color: var(--text-secondary);
    max-width: 300px;
    margin: 0 auto;
    font-size: 14px;
}

.profile-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.action-btn {
    padding: 10px 24px;
    border-radius: 24px;
    border: 1px solid var(--divider);
    background: var(--glass-bg);
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.action-btn:hover {
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.profile-media {
    padding: 20px;
}

.profile-media h3 {
    margin-bottom: 16px;
    font-size: 18px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.media-item {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.media-item:hover {
    transform: scale(1.02);
    background: var(--bg-tertiary);
}

/* Настройки */
.settings-section {
    padding: 20px;
    border-bottom: 1px solid var(--divider);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-item:hover {
    transform: translateX(4px);
    background: var(--bg-tertiary);
}

.settings-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.settings-item-left i {
    width: 24px;
    color: var(--accent);
}

.theme-switch {
    width: 48px;
    height: 28px;
    background: var(--divider);
    border-radius: 28px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-switch.active {
    background: var(--accent);
}

.theme-switch::after {
    content: '';
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all 0.3s;
}

.theme-switch.active::after {
    left: 22px;
}

/* Уведомления */
.notification {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--divider);
    z-index: 1000;
    max-width: 90%;
    animation: slideUp 0.3s ease;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-content i {
    font-size: 24px;
    color: var(--accent);
}

.notification-content p {
    flex: 1;
    margin: 0;
}

.notification button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 12px;
    cursor: pointer;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Адаптация под телефоны */
@media (max-width: 600px) {
    .app-container {
        max-width: 100%;
    }
    
    .login-card {
        padding: 24px;
    }
    
    .profile-header {
        padding: 32px 16px 24px;
    }
    
    .settings-item {
        padding: 14px;
    }
    
    .bottom-nav {
        padding: 6px 12px 10px;
    }
    
    .nav-item {
        padding: 4px 8px;
    }
    
    .nav-item span {
        font-size: 10px;
    }
}

/* Для iPhone с вырезом */
@supports (padding: max(0px)) {
    .bottom-nav {
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
    
    .app-container {
        padding-top: env(safe-area-inset-top);
    }
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 3px;
}

/* Поиск результатов */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-top: 8px;
    z-index: 100;
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.search-result-item:hover {
    background: var(--bg-secondary);
}