/**
 * Стили Callr - iOS-подобный интерфейс
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007AFF;
    --success-color: #34C759;
    --danger-color: #FF3B30;
    --bg-color: #000000;
    --card-bg: #1C1C1E;
    --text-primary: #FFFFFF;
    --text-secondary: #8E8E93;
    --border-color: #38383A;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* Экраны */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    transition: opacity 0.3s ease;
}

.screen.hidden {
    display: none;
    opacity: 0;
}

/* Экран загрузки */
#loading-screen {
    justify-content: center;
    align-items: center;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Заголовок */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    font-size: 28px;
    font-weight: 700;
}

.icon-btn {
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
    padding: 5px;
    transition: opacity 0.2s;
}

.icon-btn:active {
    opacity: 0.5;
}

/* Поиск */
.search-box {
    padding: 15px;
    background: var(--bg-color);
}

.search-box input {
    width: 100%;
    padding: 12px 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 16px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Список контактов */
.contacts-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.contact-item:active {
    opacity: 0.7;
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    overflow: hidden;
}

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

.contact-avatar-text {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.contact-info {
    flex: 1;
}

.contact-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 3px;
}

.contact-status {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-status.online {
    color: var(--success-color);
}

.call-icon {
    font-size: 24px;
}

/* Пустое состояние */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    text-align: center;
}

.empty-state p {
    font-size: 18px;
    margin-bottom: 10px;
}

.empty-state .hint {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Экран звонка */
.call-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.call-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    overflow: hidden;
}

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

.call-avatar.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.call-screen h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 10px;
}

.call-status {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

/* Кнопки управления звонком */
.call-controls {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.control-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
    font-size: 12px;
    color: white;
}

.control-btn:active {
    opacity: 0.8;
    transform: scale(0.95);
}

.control-btn .icon {
    font-size: 28px;
    margin-bottom: 3px;
}

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

.reject-btn, .cancel-btn, .end-btn {
    background: var(--danger-color);
}

.mute-btn {
    background: var(--card-bg);
}

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

/* Настройки */
.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 15px;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 10px;
}

.settings-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    overflow: hidden;
    margin-right: 15px;
}

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

.settings-info {
    flex: 1;
}

.settings-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 3px;
}

.settings-id {
    font-size: 14px;
    color: var(--text-secondary);
}

.settings-select {
    padding: 8px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
}

/* Переключатель */
.switch {
    position: relative;
    display: inline-block;
    width: 51px;
    height: 31px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.4s;
    border-radius: 31px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 27px;
    width: 27px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--success-color);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.settings-about {
    padding: 15px;
    background: var(--card-bg);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.settings-version {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 10px;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}