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

:root {
    --primary: #7c3aed;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #f1f5f9;
    --border: #e2e8f0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1f35 100%);
    color: var(--text-dark);
    overflow: hidden;
}

body.dark-mode {
    --light-bg: #1e293b;
    --text-dark: #f1f5f9;
    --border: #334155;
}

/* ==================== ЭКРАН АВТОРИЗАЦИИ ==================== */
.auth-screen {
    position: fixed;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.auth-screen.active {
    opacity: 1;
    pointer-events: all;
}

.auth-container {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-logo {
    font-size: 60px;
    text-align: center;
    margin-bottom: 20px;
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-tab {
    display: none;
}

.auth-tab.active {
    display: block;
}

.auth-tab h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.auth-tab input {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.8);
}

.auth-tab input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.auth-tab p {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
}

.tab-switch {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-weight: 600;
}

/* Remember checkbox */
.remember-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-dark);
    user-select: none;
}

.remember-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin: 0 !important;
    padding: 0 !important;
    border: 1px solid var(--primary) !important;
    border-radius: 6px !important;
    background: white !important;
    margin-bottom: 0 !important;
    accent-color: var(--primary);
}

.remember-label input[type="checkbox"]:checked {
    background: var(--primary) !important;
}

.remember-label span {
    flex: 1;
}

/* ==================== ГЛАВНОЕ ПРИЛОЖЕНИЕ ==================== */
.app-screen {
    width: 100%;
    height: 100vh;
    display: flex;
}

.app-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.sidebar {
    width: 300px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.8) 100%);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h1 {
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(124, 58, 237, 0.2);
    transform: rotate(20deg);
}

.user-card {
    display: flex;
    gap: 12px;
    padding: 16px;
    margin: 12px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: 12px;
    align-items: center;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

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

.user-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.user-status {
    font-size: 12px;
    color: rgba(241, 245, 249, 0.6);
    margin-top: 2px;
}

.user-status.online {
    color: #10b981;
}

.sidebar-tabs {
    display: flex;
    gap: 8px;
    padding: 0 12px;
    margin: 12px 0;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 10px;
    background: transparent;
    border: none;
    color: rgba(241, 245, 249, 0.6);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--text-dark);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

.new-chat-btn {
    padding: 10px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.new-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.items-list {
    flex: 1;
    overflow-y: auto;
}

.chat-item {
    padding: 12px;
    margin-bottom: 8px;
    background: transparent;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    gap: 12px;
    align-items: center;
    width: 100%;
    text-align: left;
}

.chat-item:hover {
    background: rgba(124, 58, 237, 0.1);
}

.chat-item.active {
    background: rgba(124, 58, 237, 0.3);
    border-left: 3px solid var(--primary);
}

.chat-item-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

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

.chat-item-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.chat-item-status {
    font-size: 12px;
    color: rgba(241, 245, 249, 0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    padding: 12px;
    margin: 12px;
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* ==================== CHAT AREA ==================== */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--light-bg);
    overflow: hidden;
}

.chat-header {
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(236, 72, 153, 0.05));
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    gap: 16px;
    align-items: center;
}

.header-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.header-info h2 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.header-info p {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.5);
}

body.dark-mode .header-info p {
    color: rgba(241, 245, 249, 0.5);
}

.header-actions {
    display: flex;
    gap: 12px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(124, 58, 237, 0.2);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(124, 58, 237, 0.4);
    transform: scale(1.1);
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 16px;
    color: rgba(0, 0, 0, 0.4);
}

body.dark-mode .empty-state {
    color: rgba(241, 245, 249, 0.4);
}

.empty-icon {
    font-size: 64px;
    opacity: 0.6;
}

.empty-text {
    font-size: 18px;
    font-weight: 500;
}

.message {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.received {
    justify-content: flex-start;
}

.message.sent {
    justify-content: flex-end;
}

.message-content {
    max-width: 60%;
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    line-height: 1.4;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message.received .message-content {
    background: rgba(124, 58, 237, 0.2);
    color: var(--text-dark);
    border-bottom-left-radius: 4px;
}

.message.sent .message-content {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.4);
    padding: 0 4px;
}

body.dark-mode .message-time {
    color: rgba(241, 245, 249, 0.4);
}

/* ==================== INPUT AREA ==================== */
.input-area {
    padding: 20px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(236, 72, 153, 0.05));
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.input-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(124, 58, 237, 0.2);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: rgba(124, 58, 237, 0.4);
    transform: scale(1.1);
}

.message-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-dark);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
}

body.dark-mode .message-input {
    background: rgba(30, 41, 59, 0.8);
}

.message-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

/* ==================== EMOJI PICKER ==================== */
.emoji-picker {
    position: absolute;
    bottom: 70px;
    right: 20px;
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    display: none;
    z-index: 100;
    max-height: 200px;
    overflow-y: auto;
}

.emoji-picker.active {
    display: block;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.emoji-item {
    padding: 8px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.emoji-item:hover {
    background: rgba(124, 58, 237, 0.2);
    transform: scale(1.2);
}

/* ==================== МОДАЛЬНЫЕ ОКНА ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    display: none;
}

.call-container {
    background: #000;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
}

.video-large {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 20px;
}

.video-small {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 150px;
    height: 150px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    border: 2px solid white;
}

.call-info {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    z-index: 10;
}

.call-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.call-duration {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent);
}

.call-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.control-btn.danger {
    background: rgba(239, 68, 68, 0.5);
}

.control-btn.danger:hover {
    background: rgba(239, 68, 68, 0.7);
}

/* ВХОДЯЩИЙ ЗВОНОК */
.incoming-call {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    max-width: 400px;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.incoming-icon {
    font-size: 60px;
    margin-bottom: 20px;
    animation: pulse 1s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.incoming-call h2 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.incoming-call p {
    font-size: 16px;
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: 24px;
}

body.dark-mode .incoming-call p {
    color: rgba(241, 245, 249, 0.6);
}

.incoming-actions {
    display: flex;
    gap: 12px;
}

.accept-btn, .reject-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accept-btn {
    background: #10b981;
    color: white;
}

.accept-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

.reject-btn {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.reject-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

/* ОЖИДАНИЕ ОТВЕТА НА ЗВОНОК */
.waiting-call {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: panelSlideUp 0.3s ease;
}

.calling-animation {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.pulse {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    animation: pulse-animation 1s ease-in-out infinite;
}

.pulse:nth-child(2) {
    animation-delay: 0.2s;
}

.pulse:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse-animation {
    0%, 100% {
        opacity: 0.6;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.waiting-call h2 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.waiting-call p {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    margin: 0 0 20px 0;
    line-height: 1.5;
}

body.dark-mode .waiting-call p {
    color: rgba(241, 245, 249, 0.6);
}

.waiting-text {
    font-style: italic;
    color: var(--primary);
    font-weight: 500;
}

/* ==================== INPUT WITH PREFIX ==================== */
.input-with-prefix {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    padding-left: 12px;
    margin-bottom: 12px;
}

.input-prefix {
    font-weight: 600;
    color: var(--primary);
    font-size: 16px;
    user-select: none;
}

.input-with-prefix input {
    border: none !important;
    background: transparent !important;
    flex: 1;
    padding: 12px 12px 12px 8px !important;
    margin: 0 !important;
}

.input-with-prefix input:focus {
    outline: none;
}

/* ==================== MODAL OVERLAYS ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.modal-overlay:not(.hidden) {
    opacity: 1;
    pointer-events: all;
}

/* ALERT PANEL */
.alert-panel {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: panelSlideUp 0.3s ease;
}

.alert-icon {
    font-size: 60px;
    margin-bottom: 16px;
    display: block;
}

.alert-panel h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.alert-panel p {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: 24px;
    line-height: 1.5;
}

body.dark-mode .alert-panel p {
    color: rgba(241, 245, 249, 0.6);
}

/* CONFIRM PANEL */
.confirm-panel {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: panelSlideUp 0.3s ease;
}

.confirm-panel h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.confirm-panel p {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: 24px;
    line-height: 1.5;
}

body.dark-mode .confirm-panel p {
    color: rgba(241, 245, 249, 0.6);
}

.confirm-buttons {
    display: flex;
    gap: 12px;
}

/* PROMPT PANEL */
.prompt-panel {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 40px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: panelSlideUp 0.3s ease;
}

.prompt-panel h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 600;
}

.prompt-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-dark);
    font-size: 14px;
    margin-bottom: 20px;
    font-family: inherit;
}

body.dark-mode .prompt-input {
    background: rgba(30, 41, 59, 0.8);
}

.prompt-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.prompt-buttons {
    display: flex;
    gap: 12px;
}

/* BUTTONS */
.btn-primary {
    flex: 1;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

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

.btn-secondary {
    flex: 1;
    padding: 12px 20px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(124, 58, 237, 0.2);
    transform: translateY(-2px);
}

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

@keyframes panelSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== CONTEXT MENU ==================== */
.context-menu {
    position: fixed;
    background: var(--light-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    display: none;
    min-width: 180px;
    padding: 8px 0;
    animation: slideUp 0.2s ease;
}

.context-menu.active {
    display: block;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.context-menu-item {
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
    color: var(--text-dark);
    font-family: inherit;
}

body.dark-mode .context-menu-item {
    color: var(--text-dark);
}

.context-menu-item:hover {
    background: rgba(124, 58, 237, 0.1);
}

.context-menu-item[data-action="delete"],
.context-menu-item[data-action="deleteChat"] {
    color: #ef4444;
}

.context-menu-item[data-action="delete"]:hover,
.context-menu-item[data-action="deleteChat"]:hover {
    background: rgba(239, 68, 68, 0.1);
}
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .app-container {
        flex-direction: column;
    }

    .message-content {
        max-width: 85%;
    }

    .call-container {
        width: 95%;
        max-width: 100%;
    }
}