/* Demos App - HTML Demo Styles */
/* Classic Dark Theme */

:root {
    /* Classic Dark Colors */
    --classic-dark-0: #000000;
    --classic-dark-1: #1B1B1B;
    --classic-dark-2: #2D2D2D;
    --classic-dark-3: #414141;
    --classic-dark-4: #767676;
    --classic-dark-5: #A1A2A1;
    --classic-dark-6: #FFFFFF;

    /* Accent Colors */
    --accent-green: #31F196;
    --accent-blue: #57C9FA;
    --accent-purple: #C993FF;
    --accent-pink: #FF95EF;
    --accent-red: #FF9C8E;
    --accent-orange: #FCB159;
    --accent-yellow: #FAD657;

    /* Semantic Colors */
    --color-primary: var(--classic-dark-0);
    --color-secondary: var(--classic-dark-1);
    --color-cell: var(--classic-dark-2);
    --color-border: var(--classic-dark-3);
    --color-text-primary: var(--classic-dark-6);
    --color-text-secondary: var(--classic-dark-5);
    --color-text-tertiary: var(--classic-dark-4);
    --color-accent: var(--accent-green);
    --color-separator: #36383C;

    /* Message Colors */
    --message-sent-bg: var(--accent-green);
    --message-sent-text: var(--classic-dark-0);
    --message-received-bg: var(--classic-dark-2);
    --message-received-text: var(--classic-dark-6);

    /* Dimensions */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 26px;

    --profile-size-xs: 26px;
    --profile-size-sm: 36px;
    --profile-size-md: 46px;
    --profile-size-lg: 80px;

    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 18px;

    --toolbar-height: 56px;
    --input-bar-height: 56px;
}

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

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-primary);
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
    line-height: 1.4;
}

/* Phone Frame Container */
.phone-frame {
    width: 100%;
    max-width: 430px;
    height: 100vh;
    height: 100dvh;
    margin: 0 auto;
    background-color: var(--color-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Desktop preview mode */
@media (min-width: 500px) and (min-height: 700px) {
    body {
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #333;
        padding: 20px;
    }
    
    .phone-frame {
        width: 375px;
        height: min(812px, calc(100vh - 40px));
        border-radius: 40px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        overflow: hidden;
    }
}

/* Full screen on all mobile devices */
@media (max-width: 499px), (max-height: 699px) {
    .phone-frame {
        width: 100%;
        max-width: none;
        height: 100vh;
        height: 100dvh;
        border-radius: 0;
    }
}

/* Status Bar */
.status-bar {
    height: clamp(28px, 6vh, 44px);
    min-height: 28px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    font-size: clamp(12px, 3vw, 14px);
    font-weight: 600;
    flex-shrink: 0;
    padding-top: env(safe-area-inset-top, 0);
}

.status-bar-time {
    font-weight: 600;
}

@media (max-height: 600px) {
    .status-bar {
        height: 28px;
        min-height: 24px;
    }
}

.status-bar-icons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.status-bar-icons svg {
    width: 18px;
    height: 18px;
}

/* Toolbar */
.toolbar {
    height: clamp(44px, 8vh, 56px);
    min-height: 44px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    padding: 0 clamp(12px, 3vw, 16px);
    border-bottom: 1px solid var(--color-separator);
    flex-shrink: 0;
}

@media (max-height: 600px) {
    .toolbar {
        height: 44px;
        min-height: 40px;
    }
}

.toolbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toolbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

/* Toolbar Title */
.toolbar-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.2px;
}

/* Profile Picture */
.profile-picture {
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    text-transform: uppercase;
    flex-shrink: 0;
}

.profile-picture.xs {
    width: var(--profile-size-xs);
    height: var(--profile-size-xs);
    font-size: 11px;
}

.profile-picture.sm {
    width: var(--profile-size-sm);
    height: var(--profile-size-sm);
    font-size: 14px;
}

.profile-picture.md {
    width: var(--profile-size-md);
    height: var(--profile-size-md);
    font-size: 18px;
}

.profile-picture.lg {
    width: clamp(60px, 18vw, 80px);
    height: clamp(60px, 18vw, 80px);
    font-size: clamp(24px, 7vw, 32px);
}

.profile-picture.green { background-color: var(--accent-green); color: var(--classic-dark-0); }
.profile-picture.blue { background-color: var(--accent-blue); color: var(--classic-dark-0); }
.profile-picture.purple { background-color: var(--accent-purple); color: var(--classic-dark-0); }
.profile-picture.pink { background-color: var(--accent-pink); color: var(--classic-dark-0); }
.profile-picture.red { background-color: var(--accent-red); color: var(--classic-dark-0); }
.profile-picture.orange { background-color: var(--accent-orange); color: var(--classic-dark-0); }
.profile-picture.yellow { background-color: var(--accent-yellow); color: var(--classic-dark-0); }

/* Path Status Indicator */
.path-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    bottom: 0;
    right: 0;
}

.path-status.connected { background-color: var(--accent-green); }
.path-status.connecting { background-color: var(--accent-yellow); }
.path-status.disconnected { background-color: var(--accent-red); }

/* Icon Buttons */
.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.icon-btn:hover {
    background-color: var(--color-cell);
}

.icon-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--color-text-primary);
}

/* Content Area */
.content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--color-primary);
}

/* Conversation List */
.conversation-list {
    list-style: none;
}

.conversation-item {
    display: flex;
    align-items: center;
    padding: clamp(10px, 2.5vw, 16px);
    cursor: pointer;
    transition: background-color 0.15s;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.conversation-item:hover {
    background-color: var(--color-secondary);
}

.conversation-item.unread {
    background-color: var(--color-secondary);
}

.conversation-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-accent);
}

.conversation-item .profile-picture {
    margin-right: var(--spacing-md);
}

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

.conversation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.conversation-name {
    font-weight: 600;
    font-size: var(--font-size-md);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.conversation-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
    margin-left: var(--spacing-sm);
}

.conversation-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.conversation-snippet {
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.conversation-item:not(.unread) .conversation-snippet {
    color: var(--color-text-secondary);
}

/* Badges */
.badge {
    min-width: 20px;
    height: 20px;
    padding: 0 var(--spacing-xs);
    border-radius: 10px;
    background-color: var(--color-accent);
    color: var(--classic-dark-0);
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--spacing-sm);
}

.pin-icon {
    width: 16px;
    height: 16px;
    fill: var(--color-text-secondary);
}

.mute-icon {
    width: 18px;
    height: 18px;
    fill: var(--color-text-secondary);
    margin-right: 6px;
}

/* FAB - Floating Action Button */
.fab {
    position: absolute;
    bottom: clamp(70px, 15vh, 100px);
    left: 50%;
    transform: translateX(-50%);
    width: clamp(48px, 12vw, 56px);
    height: clamp(48px, 12vw, 56px);
    border-radius: 50%;
    background-color: var(--color-accent);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(49, 241, 150, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 10;
}

.fab:hover {
    transform: translateX(-50%) scale(1.05);
    box-shadow: 0 6px 16px rgba(49, 241, 150, 0.4);
}

.fab svg {
    width: 32px;
    height: 32px;
    fill: var(--classic-dark-0);
}

/* Chat View */
.chat-toolbar {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    border-bottom: 1px solid var(--color-separator);
}

.chat-toolbar .back-btn {
    margin-right: var(--spacing-sm);
}

.chat-toolbar .profile-picture {
    margin-right: var(--spacing-md);
}

.chat-user-info {
    flex: 1;
}

.chat-user-name {
    font-weight: 600;
    font-size: var(--font-size-md);
}

.chat-user-status {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.chat-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Messages */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.message-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.message-group.sent {
    align-items: flex-end;
}

.message-group.received {
    align-items: flex-start;
}

.message {
    max-width: 75%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-md);
    line-height: 1.4;
    word-wrap: break-word;
}

.message.sent {
    background-color: var(--message-sent-bg);
    color: var(--message-sent-text);
    border-bottom-right-radius: 4px;
}

.message.received {
    background-color: var(--message-received-bg);
    color: var(--message-received-text);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.message-status {
    width: 14px;
    height: 14px;
    fill: var(--color-text-tertiary);
}

.date-divider {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    font-weight: 600;
    padding: var(--spacing-md) 0;
}

/* Input Bar */
.input-bar {
    background-color: var(--color-secondary);
    padding: clamp(6px, 2vw, 8px) clamp(12px, 3vw, 16px);
    padding-bottom: max(env(safe-area-inset-bottom, 0), clamp(6px, 2vw, 8px));
    border-top: 1px solid var(--color-separator);
    flex-shrink: 0;
}

.input-bar-content {
    display: flex;
    align-items: flex-end;
    gap: clamp(8px, 2vw, 16px);
}

.input-bar .attachment-btn {
    width: clamp(40px, 10vw, 48px);
    height: clamp(40px, 10vw, 48px);
    flex-shrink: 0;
}

.input-bar .attachment-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--color-text-primary);
}

.input-field {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
    resize: none;
    max-height: 120px;
    line-height: 1.4;
    padding: var(--spacing-sm) 0;
}

.input-field::placeholder {
    color: var(--color-text-tertiary);
}

.input-bar .send-btn {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.input-bar .send-btn svg {
    width: 24px;
    height: 24px;
    fill: var(--color-text-primary);
}

/* Settings */
.settings-section {
    padding: var(--spacing-md);
}

.settings-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(16px, 4vw, 24px) clamp(12px, 3vw, 16px);
    text-align: center;
}

.settings-header .profile-picture {
    margin-bottom: clamp(12px, 3vw, 16px);
}

.settings-username {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.settings-account-id {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    word-break: break-all;
    max-width: 100%;
    padding: 0 var(--spacing-lg);
}

.settings-group {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.settings-item {
    display: flex;
    align-items: center;
    padding: clamp(12px, 3vw, 16px);
    cursor: pointer;
    transition: background-color 0.15s;
    text-decoration: none;
    color: inherit;
}

.settings-item:hover {
    background-color: var(--color-cell);
}

.settings-item:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.settings-icon {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-md);
    fill: var(--color-accent);
}

.settings-label {
    flex: 1;
    font-size: var(--font-size-md);
}

.settings-value {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-right: var(--spacing-sm);
}

.settings-chevron {
    width: 20px;
    height: 20px;
    fill: var(--color-text-tertiary);
}

.settings-item.danger .settings-icon,
.settings-item.danger .settings-label {
    fill: var(--accent-red);
    color: var(--accent-red);
}

/* New Conversation Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    width: 100%;
    max-width: 375px;
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform 0.3s;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-handle {
    width: 40px;
    height: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
    margin: 0 auto var(--spacing-lg);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.modal-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-cell);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color 0.15s;
    text-decoration: none;
    color: inherit;
}

.modal-option:hover {
    background-color: var(--color-border);
}

.modal-option-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-md);
}

.modal-option-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--classic-dark-0);
}

.modal-option-text {
    flex: 1;
}

.modal-option-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.modal-option-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Search Input */
.search-container {
    padding: var(--spacing-md);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.search-input-wrapper svg {
    width: 20px;
    height: 20px;
    fill: var(--color-text-tertiary);
    margin-right: var(--spacing-sm);
}

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

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

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
    height: 100%;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    fill: var(--color-text-tertiary);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.empty-state-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    max-width: 280px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-text-primary);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* Splash Screen */
.splash-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: var(--color-primary);
}

.splash-logo {
    width: 120px;
    height: auto;
    fill: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.splash-tagline {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--classic-dark-0);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: rgba(49, 241, 150, 0.1);
}

.btn-block {
    width: 100%;
}

/* Onboarding */
.onboarding-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--spacing-lg);
}

.onboarding-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.onboarding-logo {
    width: 180px;
    fill: var(--color-text-primary);
    margin-bottom: var(--spacing-xl);
}

.onboarding-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.onboarding-desc {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 300px;
    margin-bottom: var(--spacing-xl);
}

.onboarding-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-xl);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

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

/* Navigation Transitions */
.page-transition {
    animation: fadeIn 0.2s ease-out;
}

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

/* Home Bottom Navigation */
.bottom-nav {
    display: flex;
    background-color: var(--color-secondary);
    border-top: 1px solid var(--color-separator);
    padding: clamp(4px, 1.5vw, 8px) 0;
    padding-bottom: max(env(safe-area-inset-bottom, 0), clamp(4px, 1.5vw, 8px));
    flex-shrink: 0;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(4px, 1.5vw, 8px);
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text-tertiary);
    transition: color 0.2s;
}

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

.bottom-nav-item svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    margin-bottom: 2px;
}

.bottom-nav-item span {
    font-size: 10px;
    font-weight: 500;
}