/* ===== AI Chat Platform - Main CSS ===== */
/* Style inspired by Manus.im - Light Theme (Default) */

/* ===== Fonts ===== */
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ===== CSS Variables ===== */
:root {
    /* Colors - Light Theme (Default) */
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f8;
    --bg-hover: #eef0f8;
    --bg-input: #f4f5fb;
    --bg-card: #ffffff;
    
    --border-color: rgba(0,0,0,0.08);
    --border-hover: rgba(0,0,0,0.15);
    
    --text-white: #1a1a2e;
    --text-primary: #2d2d4e;
    --text-secondary: #6b6b8a;
    --text-muted: #9898b8;
    
    --accent-primary: #6366f1;
    --accent-primary-hover: #5254cc;
    --accent-light: rgba(99,102,241,0.10);
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    
    /* Fonts */
    --font-family: 'Vazirmatn', 'Tahoma', sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 14px;
    --font-size-base: 15px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    --font-size-3xl: 28px;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.35s ease;
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    direction: rtl;
    overflow: hidden;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: var(--font-family); cursor: pointer; border: none; outline: none; }
input, textarea, select { font-family: var(--font-family); outline: none; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* ===== Dark Theme ===== */
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-hover: #1e1e2a;
    --bg-input: #16161f;
    --bg-card: #13131a;
    --border-color: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.15);
    --text-white: #f0f0f8;
    --text-primary: #d4d4e8;
    --text-secondary: #9898b8;
    --text-muted: #5a5a7a;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.7);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Layout ===== */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: var(--transition-slow);
    overflow: hidden;
    position: relative;
    z-index: 100;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .new-chat-btn span,
.sidebar.collapsed .sidebar-nav-item span,
.sidebar.collapsed .user-info,
.sidebar.collapsed .conv-item-text,
.sidebar.collapsed .conv-item-actions,
.sidebar.collapsed .conv-section-title {
    display: none;
}

.sidebar.collapsed .new-chat-btn {
    justify-content: center;
    padding: 10px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 14px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

.sidebar-logo-text {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-white);
    white-space: nowrap;
}

.sidebar-actions {
    display: flex;
    gap: 4px;
}

.sidebar-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.sidebar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.new-chat-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 10px 8px;
    padding: 9px 14px;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: right;
}

.new-chat-btn:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.4);
    text-decoration: none;
    color: white;
}

.sidebar-nav {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition);
    background: transparent;
    border: none;
    width: 100%;
    text-align: right;
    font-family: var(--font-family);
}

.sidebar-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-nav-item.active {
    background: var(--accent-light);
    color: var(--accent-primary);
}

.sidebar-nav-item i {
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

/* Conversations */
.conversations-container {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
}

.conv-section-title {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: 8px 10px 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.conv-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    group: true;
}

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

.conv-item.active {
    background: var(--accent-light);
}

.conv-item.active .conv-item-title {
    color: var(--accent-primary);
}

.conv-item-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.conv-item-text {
    flex: 1;
    min-width: 0;
}

.conv-item-title {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

.conv-item-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.conv-item-actions {
    display: none;
    gap: 2px;
}

.conv-item:hover .conv-item-actions {
    display: flex;
}

.conv-action-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.conv-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent-red);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 10px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.user-profile-btn:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    overflow: hidden;
}

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

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

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-tokens {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.user-tokens i {
    color: var(--accent-yellow);
    font-size: 10px;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ===== Header ===== */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
    height: 60px;
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-muted);
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.header-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.model-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.model-selector:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.model-selector-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.model-selector-name {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-selector i:last-child {
    font-size: 11px;
    color: var(--text-muted);
}

.token-counter {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.token-counter i {
    color: var(--accent-yellow);
    font-size: 12px;
}

/* ===== Chat Area ===== */
.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

.chat-messages {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-bottom: 20px;
}

/* ===== Welcome Screen ===== */
.welcome-screen {
    text-align: center;
    padding: 60px 20px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.welcome-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: white;
    box-shadow: 0 12px 40px rgba(99,102,241,0.3);
    margin-bottom: 8px;
}

.welcome-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-white);
    background: linear-gradient(135deg, var(--text-white), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    line-height: 1.8;
}

.welcome-suggestions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
    width: 100%;
    max-width: 600px;
}

.suggestion-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-align: right;
}

.suggestion-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,0.15);
}

.suggestion-card-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.suggestion-card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 4px;
}

.suggestion-card-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== Messages ===== */
.message-wrapper {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    animation: messageIn 0.3s ease;
}

.message-wrapper.user {
    flex-direction: row-reverse;
}

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.message-avatar.ai {
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    color: white;
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

.message-avatar.user {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.message-content {
    flex: 1;
    min-width: 0;
    max-width: 85%;
}

.message-wrapper.user .message-content {
    text-align: right;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.message-wrapper.user .message-header {
    justify-content: flex-end;
}

.message-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
}

.message-model-badge {
    font-size: var(--font-size-xs);
    background: var(--accent-light);
    color: var(--accent-primary);
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 500;
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-right: auto;
}

.message-wrapper.user .message-time {
    margin-right: 0;
    margin-left: auto;
}

.message-body {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    font-size: var(--font-size-base);
    line-height: 1.75;
    color: var(--text-primary);
    word-break: break-word;
}

.message-wrapper.user .message-body {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-lg);
}

.message-body.error-message {
    background: rgba(239,68,68,0.1);
    border-color: rgba(239,68,68,0.3);
    color: #fca5a5;
}

/* Markdown styles */
.message-body h1, .message-body h2, .message-body h3 {
    color: var(--text-white);
    margin: 16px 0 8px;
    font-weight: 700;
}
.message-body h1 { font-size: var(--font-size-2xl); }
.message-body h2 { font-size: var(--font-size-xl); }
.message-body h3 { font-size: var(--font-size-lg); }

.message-body p { margin-bottom: 10px; }
.message-body p:last-child { margin-bottom: 0; }

.message-body ul, .message-body ol {
    padding-right: 20px;
    margin-bottom: 10px;
}
.message-body li { margin-bottom: 4px; }

.message-body blockquote {
    border-right: 3px solid var(--accent-primary);
    padding: 8px 12px;
    margin: 10px 0;
    background: var(--accent-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
}

.message-body code:not(pre code) {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
    color: #a78bfa;
    border: 1px solid var(--border-color);
}

.message-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: var(--font-size-sm);
}

.message-body th, .message-body td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: right;
}

.message-body th {
    background: var(--bg-tertiary);
    color: var(--text-white);
    font-weight: 600;
}

.message-body tr:hover td {
    background: var(--bg-hover);
}

.message-body a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.message-body strong { color: var(--text-white); font-weight: 700; }
.message-body em { color: var(--text-secondary); }

.message-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0;
}

/* Code blocks */
.code-block-wrapper {
    position: relative;
    margin: 12px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.code-block-wrapper pre {
    margin: 0;
    padding: 16px;
    overflow-x: auto;
    background: #0d0d14 !important;
    font-size: 13px;
    line-height: 1.6;
}

.code-copy-btn {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.code-copy-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Message actions */
.message-actions {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    opacity: 0;
    transition: var(--transition);
}

.message-wrapper:hover .message-actions {
    opacity: 1;
}

.message-wrapper.user .message-actions {
    justify-content: flex-end;
}

.msg-action-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.msg-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.token-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 4px;
}

.token-badge i {
    color: var(--accent-yellow);
    font-size: 10px;
}

/* Message images */
.message-image {
    position: relative;
    display: inline-block;
    cursor: pointer;
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 400px;
}

.message-image img {
    width: 100%;
    display: block;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.message-image:hover img {
    filter: brightness(0.8);
}

.message-image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--radius-lg);
}

.message-image:hover .message-image-overlay {
    opacity: 1;
}

.image-overlay-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    color: white;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.image-overlay-btn:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.1);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 5px;
    align-items: center;
    padding: 4px 0;
}

.typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: typingBounce 1.2s infinite;
}

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

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* Cursor animation */
.cursor {
    display: inline-block;
    animation: cursorBlink 0.7s infinite;
    color: var(--accent-primary);
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== Input Area ===== */
.input-area {
    padding: 12px 20px 16px;
    background: var(--bg-primary);
    flex-shrink: 0;
}

.input-container {
    max-width: 800px;
    margin: 0 auto;
}

.input-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition);
    overflow: hidden;
}

.input-box:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.input-top {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 12px 14px 8px;
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    resize: none;
    max-height: 200px;
    min-height: 24px;
    font-family: var(--font-family);
    direction: rtl;
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.input-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.input-action-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-muted);
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.input-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.send-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--accent-primary);
    color: white;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.send-btn:not(:disabled):hover {
    background: var(--accent-primary-hover);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99,102,241,0.4);
}

.send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.input-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 14px 10px;
    border-top: 1px solid var(--border-color);
}

.input-tools {
    display: flex;
    gap: 4px;
}

.input-tool-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-family: var(--font-family);
    transition: var(--transition);
    border: 1px solid transparent;
}

.input-tool-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.input-tool-btn.active {
    background: var(--accent-light);
    color: var(--accent-primary);
    border-color: rgba(99,102,241,0.3);
}

.input-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(99,102,241,0.35);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

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

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(239,68,68,0.1);
    color: var(--accent-red);
    border: 1px solid rgba(239,68,68,0.3);
}

.btn-danger:hover {
    background: rgba(239,68,68,0.2);
}

.btn-full { width: 100%; }
.btn-lg { padding: 12px 24px; font-size: var(--font-size-base); }
.btn-sm { padding: 5px 12px; font-size: var(--font-size-xs); }

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ===== Forms ===== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235a5a7a'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 10px center;
    background-size: 20px;
    padding-left: 36px;
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== Modals ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.hidden {
    display: none;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.25s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--accent-red);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* ===== Model Modal ===== */
.model-modal {
    max-width: 700px;
}

.model-categories {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.model-cat-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
}

.model-cat-btn.active {
    background: var(--accent-light);
    border-color: rgba(99,102,241,0.3);
    color: var(--accent-primary);
}

.models-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.model-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.model-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.model-item.selected {
    border-color: var(--accent-primary);
    background: var(--accent-light);
}

.model-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

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

.model-item-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
}

.model-item-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.model-item-badges {
    display: flex;
    gap: 4px;
}

/* Badges */
.badge {
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}

.badge-free {
    background: rgba(16,185,129,0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16,185,129,0.3);
}

.badge-pro {
    background: rgba(245,158,11,0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(245,158,11,0.3);
}

/* ===== Settings Modal ===== */
.settings-layout {
    display: flex;
    height: 480px;
}

.settings-sidebar {
    width: 160px;
    border-left: 1px solid var(--border-color);
    padding: 12px 8px;
    flex-shrink: 0;
}

.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}

.settings-tab-content { }

.settings-section-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.settings-divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

/* Personality cards */
.personality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.personality-card {
    padding: 10px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    text-align: center;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: var(--transition);
}

.personality-card.selected {
    background: var(--accent-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Subscription */
.token-status-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.1));
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
}

.token-status-icon {
    width: 48px;
    height: 48px;
    background: rgba(245,158,11,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-yellow);
}

.token-status-count {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-white);
}

.token-status-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.subscription-badge {
    margin-right: auto;
    font-size: var(--font-size-xs);
    color: var(--accent-green);
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    padding: 4px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.token-usage-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.usage-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.usage-item i {
    color: var(--accent-primary);
    width: 14px;
    text-align: center;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.plan-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.plan-card.popular {
    border-color: var(--accent-primary);
    background: var(--accent-light);
}

.plan-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.plan-popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-primary);
    color: white;
    font-size: var(--font-size-xs);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    white-space: nowrap;
}

.plan-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.plan-name {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 2px;
}

.plan-duration {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 8px;
}

.plan-tokens {
    font-size: var(--font-size-sm);
    color: var(--accent-yellow);
    margin-bottom: 4px;
    font-weight: 600;
}

.plan-price {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

/* Security */
.session-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.session-icon {
    width: 36px;
    height: 36px;
    background: var(--bg-hover);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.session-device {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-white);
}

.session-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Logs */
.logs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.log-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--accent-light);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.log-info { flex: 1; }

.log-action {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.log-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.log-tokens {
    font-size: var(--font-size-xs);
    color: var(--accent-yellow);
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Danger zone */
.danger-zone {
    background: rgba(239,68,68,0.05);
    border: 1px solid rgba(239,68,68,0.2);
    border-radius: var(--radius-lg);
    padding: 14px;
}

.danger-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.danger-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--accent-red);
}

.danger-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== Image View Modal ===== */
.image-view-modal-inner {
    position: relative;
    text-align: center;
    max-width: 90vw;
    width: 100%;
}

.image-view-actions {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 480px) {
    .image-view-modal-inner {
        max-width: 100%;
    }

    #imageViewModal {
        padding: 12px !important;
        align-items: center !important;
        overflow-y: auto;
    }

    #imageViewImg {
        max-height: 55vh !important;
    }

    .image-view-actions {
        gap: 8px;
    }

    .image-view-actions .btn {
        flex: 1;
        min-width: 90px;
        padding: 8px 10px;
        font-size: 12px;
    }
}

/* ===== Image Edit Modal ===== */
.image-edit-modal {
    max-width: 700px;
}

.edit-instruction {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: rgba(99,102,241,0.08);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.edit-instruction i {
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.image-edit-canvas {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 14px;
    cursor: crosshair;
    user-select: none;
    max-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
}

.image-edit-canvas img {
    max-width: 100%;
    max-height: 300px;
    display: block;
}

.edit-selection {
    position: absolute;
    border: 2px solid var(--accent-primary);
    background: rgba(99,102,241,0.2);
    pointer-events: none;
    border-radius: 4px;
}

/* ===== Toast ===== */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    pointer-events: auto;
    min-width: 200px;
    max-width: 380px;
    backdrop-filter: blur(12px);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast.success {
    background: rgba(16,185,129,0.9);
    color: white;
}

.toast.error {
    background: rgba(239,68,68,0.9);
    color: white;
}

.toast.info {
    background: rgba(99,102,241,0.9);
    color: white;
}

.toast.warning {
    background: rgba(245,158,11,0.9);
    color: white;
}

/* ===== Loading Spinner ===== */
.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
}

.empty-state i {
    font-size: 28px;
    margin-bottom: 8px;
    display: block;
}

.empty-state p {
    font-size: var(--font-size-sm);
}

/* ===== Utility ===== */
.hidden { display: none !important; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.w-full { width: 100%; }

/* ===== Sidebar Close Button (mobile only) ===== */
.sidebar-close-btn {
    display: none;
}

/* ===== Mobile Sidebar Overlay ===== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.visible {
    display: block;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        z-index: 100;
        width: 280px !important;
        transform: translateX(0);
        transition: transform 0.3s ease;
    }
    
    .sidebar.mobile-hidden {
        transform: translateX(100%);
    }

    .sidebar-close-btn {
        display: flex !important;
    }

    .main-content {
        margin-right: 0 !important;
        width: 100% !important;
    }
    
    .welcome-suggestions {
        grid-template-columns: 1fr;
    }
    
    .chat-header {
        padding: 10px 14px;
    }
    
    .chat-area {
        padding: 12px;
    }
    
    .input-area {
        padding: 8px 12px 12px;
    }
    
    .model-selector-name {
        max-width: 100px;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .settings-layout {
        flex-direction: column;
        height: auto;
    }
    
    .settings-sidebar {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .token-usage-info {
        grid-template-columns: 1fr;
    }
    
    .input-tools .input-tool-btn span {
        display: none;
    }
    
    .message-content {
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .welcome-title {
        font-size: var(--font-size-2xl);
    }
    
    .modal {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 95vh;
        overflow-y: auto;
    }
    
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
        overflow-y: auto;
    }

    .modal-footer {
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 16px;
    }

    .modal-footer .btn {
        flex: 1;
        min-width: 100px;
        white-space: normal;
        text-align: center;
    }

    .modal-body {
        padding: 14px 16px;
    }
    
    .personality-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Image view modal buttons on mobile */
    #imageViewModal .modal {
        background: rgba(0,0,0,0.85);
        border: none;
        max-width: 100vw;
        width: 100%;
        border-radius: 0;
        max-height: 100vh;
        overflow-y: auto;
    }

    #imageViewModal .modal > div {
        padding: 16px;
    }

    #imageViewModal .modal > div > div:last-child {
        flex-wrap: wrap;
        justify-content: center;
    }

    #imageViewModal .btn {
        flex: 1;
        min-width: 120px;
    }
}

/* ===== Design Templates Grid ===== */
.design-templates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 8px;
}

.design-template-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 6px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-family);
    text-align: center;
}

.design-template-btn:hover {
    background: var(--accent-light);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-1px);
}

.design-template-btn i {
    font-size: 18px;
}

/* ===== Voice Input Button ===== */
#voiceInputBtn {
    position: relative;
}

#voiceInputBtn.active {
    background: rgba(239,68,68,0.1);
    color: #ef4444;
    animation: pulse-recording 1.5s ease-in-out infinite;
}

@keyframes pulse-recording {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}

/* ===== Attachment Preview ===== */
#attachmentPreview {
    animation: slideDown 0.2s ease;
}

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

/* ===== QR Code Nav Item ===== */
#navQRCode {
    cursor: pointer;
}

/* ===== Light Theme Fixes ===== */
[data-theme="light"] .sidebar {
    background: #ffffff;
    border-left-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .chat-header {
    background: rgba(255,255,255,0.95);
    border-bottom-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .input-box {
    background: #ffffff;
    border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .model-item {
    background: #f8f9fc;
    border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .model-item:hover {
    background: #eef0f8;
}

[data-theme="light"] .message.assistant .message-content {
    background: #ffffff;
    border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .message.user .message-content {
    background: var(--accent-primary);
    color: white;
}

/* ===== Image Gen CSS Additions ===== */
.controls-section + .controls-section {
    margin-top: 0;
}