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Mobile header: sacar punto verde, badge Pro en blanco
2c32ce4 2 months ago
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/* ========================================================
   CareerAI — Claude-Style Interface
   Premium, clean, warm design system
   ======================================================== */

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

:root {
    /* Dark Theme Palette */
    --bg-primary: #111822;
    --bg-secondary: #0d131b;
    --bg-sidebar: #0f151e;
    --bg-hover: #1e293b;
    --bg-input: #1a2332;
    --bg-message-ai: transparent;
    --bg-message-user: transparent;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-placeholder: #475569;
    --text-link: #55c970;

    /* Accent (Green and Blue from logo) */
    --accent-primary: #55c970;
    --accent-secondary: #5584c0;
    --accent-bg: rgba(85, 201, 112, 0.1);

    /* Borders */
    --border-light: #263346;
    --border-medium: #334155;
    --border-input: #334155;
    --border-focus: #55c970;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-input: 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--border-input);
    --shadow-input-focus: 0 0 0 2px rgba(85, 201, 112, 0.25), 0 1px 3px rgba(0, 0, 0, 0.2);

    /* Sidebar */
    --sidebar-width: 260px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-serif: 'Georgia', 'Times New Roman', serif;
}

html {
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100%;
    display: flex;
    overflow: hidden;
    line-height: 1.5;
    font-size: 15px;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-medium);
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-smooth), width var(--transition-smooth), min-width var(--transition-smooth);
    z-index: 100;
    position: relative;
}

.sidebar.collapsed {
    width: 0;
    min-width: 0;
    transform: translateX(-100%);
    border-right: none;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    width: var(--sidebar-width);
}

/* Sidebar Top */
.sidebar-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 12px 8px;
}

.sidebar-icon-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

#toggleSidebar {
    display: none;
}

#newChatBtn {
    margin-left: auto;
}

/* Search */
.sidebar-search {
    padding: 4px 12px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-hover);
    margin: 0 12px 8px;
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--text-tertiary);
}

.sidebar-search input {
    border: none;
    background: transparent;
    font-size: 0.82rem;
    color: var(--text-primary);
    outline: none;
    width: 100%;
    font-family: var(--font-family);
}

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

/* Nav */
.sidebar-nav {
    padding: 4px 8px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.nav-item.active {
    background: var(--bg-hover);
    color: var(--text-primary);
    font-weight: 600;
}

/* Sidebar sections */
.sidebar-section {
    padding: 12px 12px 4px;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.sidebar-section-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0 4px 8px;
}

/* Conversation list */
.conversation-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.conversation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.84rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.conversation-item.active {
    background: var(--bg-hover);
    color: var(--text-primary);
    font-weight: 500;
}

.conversation-delete {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    margin-left: 6px;
}

.conversation-item:hover .conversation-delete {
    opacity: 1;
}

.conversation-delete:hover {
    color: #ef4444;
    /* subtle red */
    background: rgba(239, 68, 68, 0.1);
}

/* Document list */
.document-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.doc-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.doc-item .doc-icon {
    font-size: 0.9rem;
}

.doc-item .doc-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-item .doc-remove {
    opacity: 0;
    cursor: pointer;
    color: var(--text-tertiary);
    border: none;
    background: none;
    font-size: 0.75rem;
    transition: opacity var(--transition-fast);
}

.doc-item:hover .doc-remove {
    opacity: 1;
}

.empty-docs {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.empty-docs-icon {
    font-size: 1rem;
}

/* Footer */
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.sidebar-plan {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-bottom: 10px;
}

.plan-separator {
    margin: 0 4px;
}

.plan-upgrade {
    color: var(--text-link);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 500;
}

.plan-upgrade:hover {
    color: var(--accent-secondary);
}

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

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

.user-avatar {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.02em;
}

.user-name {
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===== MOBILE HEADER BAR ===== */
.mobile-header-bar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 54px;
    z-index: 280;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-brand .brand-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
}

.mobile-brand .brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.mobile-brand .brand-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
}

.mobile-header-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-header-btn:active {
    transform: scale(0.92);
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--accent-primary);
}

/* Sidebar Backdrop */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 295;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* ===== MOBILE SIDEBAR TOGGLE ===== */
.mobile-sidebar-toggle {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--accent-primary);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    transition: margin-left var(--transition-smooth);
}

/* Notification bar */
.notification-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 16px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    gap: 4px;
}

.notification-separator {
    color: var(--text-placeholder);
}

.notification-link {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.notification-link:hover {
    color: var(--accent-primary);
}

/* ===== WELCOME SCREEN ===== */
.welcome-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    gap: 0;
    animation: fadeIn 0.5s ease-out;
    overflow-y: auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.welcome-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 16px;
}

.welcome-logo svg {
    width: 52px;
    height: 52px;
}

.welcome-logo-text {
    font-size: 3.2rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1;
}

/* Heading */
.welcome-heading {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 400;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.25;
    margin-bottom: 36px;
    letter-spacing: -0.02em;
}

/* Welcome input */
.welcome-input-container {
    width: 100%;
    max-width: 620px;
    margin-bottom: 20px;
}

.welcome-input-wrapper {
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 16px;
    box-shadow: var(--shadow-input);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.welcome-input-wrapper:focus-within {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-input-focus);
}

.welcome-input {
    width: 100%;
    padding: 16px 18px 8px;
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    resize: none;
    line-height: 1.5;
    background: transparent;
    min-height: 48px;
    max-height: 200px;
}

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

.welcome-input-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
}

.input-action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

/* Model selector */
.model-selector {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

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

.model-name {
    font-weight: 500;
}

/* Send button */
.send-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
    opacity: 0.3;
}

.send-btn:not(:disabled) {
    opacity: 1;
}

.send-btn:not(:disabled):hover {
    background: var(--accent-primary);
    transform: scale(1.05);
}

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

/* Suggestion chips */
.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    max-width: 700px;
    margin-top: 4px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-light);
    border-radius: 999px;
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.chip:hover {
    border-color: var(--border-medium);
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.chip:active {
    transform: translateY(0);
}

.chip-icon {
    font-size: 0.82rem;
}

/* ===== CHAT SCREEN ===== */
.chat-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-screen.hidden {
    display: none;
}

/* Chat messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
}

.message {
    padding: 24px 0;
    animation: messageIn 0.35s ease-out;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-inner {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 16px;
}

.message-avatar {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    margin-top: 2px;
}

.message-avatar.user {
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
}

.message-avatar.ai {
    background: transparent;
    color: white;
    font-size: 0.75rem;
}

.message-avatar.ai svg {
    width: 24px;
    height: 24px;
}

.message-body {
    flex: 1;
    min-width: 0;
}

.message-author {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.message-content {
    font-size: 0.94rem;
    line-height: 1.65;
    color: var(--text-primary);
    word-break: break-word;
}

.message-content p {
    margin-bottom: 12px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content strong {
    font-weight: 600;
}

.message-content code {
    background: var(--bg-hover);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.message-content pre {
    background: #1a1915;
    color: #e4e4e7;
    padding: 16px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 12px 0;
    font-size: 0.85rem;
    line-height: 1.5;
}

.message-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.message-content ul,
.message-content ol {
    padding-left: 20px;
    margin: 8px 0;
}

.message-content li {
    margin-bottom: 4px;
}

/* Message actions */
.message-actions {
    display: flex;
    gap: 4px;
    margin-top: 12px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.action-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.action-btn.copied {
    color: #16a34a;
}

/* AI message specific */
.message.ai {
    background: var(--bg-message-ai);
}

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

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--text-tertiary);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

@keyframes typingBounce {

    0%,
    80%,
    100% {
        transform: scale(0.6);
        opacity: 0.4;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chat input (bottom) */
.chat-input-container {
    padding: 12px 24px 20px;
    background: linear-gradient(to top, var(--bg-primary) 70%, transparent);
}

.chat-input-wrapper {
    max-width: 768px;
    margin: 0 auto;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 16px;
    box-shadow: var(--shadow-input);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.chat-input-wrapper:focus-within {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-input-focus);
}

.chat-input {
    width: 100%;
    padding: 14px 18px 6px;
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    resize: none;
    line-height: 1.5;
    background: transparent;
    min-height: 44px;
    max-height: 200px;
}

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

.chat-input-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
}

/* ===== MODEL DROPDOWN ===== */
.model-dropdown {
    position: fixed;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 260px;
    z-index: 500;
    padding: 6px;
    animation: dropdownIn 0.2s ease-out;
}

.model-dropdown.hidden {
    display: none;
}

@keyframes dropdownIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.model-dropdown-header {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 8px 12px 6px;
}

.model-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.model-option:hover {
    background: var(--bg-hover);
}

.model-option.active {
    background: var(--accent-bg);
}

.model-option-icon {
    width: 26px;
    height: 26px;
    max-width: 26px;
    max-height: 26px;
    min-width: 26px;
    border-radius: 6px;
    object-fit: contain;
    flex-shrink: 0;
}

.model-option-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.model-option-name {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

.model-option-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 1px;
}

.model-check {
    color: var(--accent-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.model-option.active .model-check {
    opacity: 1;
}

/* ===== UPLOAD MODAL ===== */
.upload-modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.upload-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    animation: backdropIn 0.25s ease-out;
}

@keyframes backdropIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.upload-modal-content {
    position: relative;
    background: var(--bg-input);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 520px;
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(8px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.upload-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 12px;
}

.upload-modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    font-size: 1.4rem;
    color: var(--text-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.upload-modal-body {
    padding: 0 24px 24px;
}

/* Upload type selector */
.upload-type-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 16px;
}

.upload-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-fast);
}

.upload-type:hover {
    border-color: var(--border-medium);
    background: var(--bg-hover);
}

.upload-type.active {
    border-color: var(--accent-primary);
    background: var(--accent-bg);
    color: var(--accent-primary);
}

.upload-type span {
    font-size: 1.2rem;
}

/* Dropzone */
.upload-dropzone {
    border: 2px dashed var(--border-light);
    border-radius: 14px;
    padding: 36px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-tertiary);
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
    border-color: var(--accent-primary);
    background: var(--accent-bg);
    color: var(--accent-primary);
}

.upload-dropzone svg {
    margin-bottom: 12px;
    opacity: 0.5;
}

.upload-dropzone p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.upload-dropzone strong {
    color: var(--accent-primary);
}

.upload-formats {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ===== HIDDEN UTILITY ===== */
.hidden {
    display: none !important;
}

/* ===== PROCESSING STATE ===== */
.upload-processing {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: var(--accent-bg);
    border-radius: 10px;
    font-size: 0.88rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.upload-processing .spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-light);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* Upload success */
.upload-success {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(22, 163, 74, 0.06);
    border: 1px solid rgba(22, 163, 74, 0.15);
    border-radius: 10px;
    font-size: 0.85rem;
    color: #16a34a;
    font-weight: 500;
    margin-top: 12px;
}

/* ===== RESPONSIVE — ChatGPT / Claude-style Mobile ===== */
@media (max-width: 768px) {

    /* ---- Mobile Header Bar ---- */
    .mobile-header-bar {
        display: flex;
    }

    /* ---- Sidebar Backdrop ---- */
    .sidebar-backdrop {
        display: block;
    }

    .sidebar:not(.collapsed)~.sidebar-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    /* ---- Sidebar Drawer ---- */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 300;
        width: 80%;
        max-width: 300px;
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.5);
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .sidebar.collapsed {
        transform: translateX(-100%);
        width: 80%;
        min-width: 80%;
    }

    .mobile-sidebar-toggle {
        display: flex;
    }

    #toggleSidebar {
        display: flex;
    }

    /* ---- Main Content ---- */
    .main-content {
        padding-top: 54px;
        height: 100vh;
        overflow-y: auto;
    }

    /* ---- Hide Notification Bar (info is in mobile header) ---- */
    .notification-bar {
        display: none;
    }

    /* ---- Welcome Screen: Centered like ChatGPT ---- */
    .welcome-screen {
        padding: 0 20px 120px;
        justify-content: center;
        align-items: center;
        min-height: calc(100vh - 54px);
        gap: 0;
    }

    /* ---- Logo: Smaller, subtle ---- */
    .welcome-logo {
        margin-bottom: 16px !important;
        gap: 10px !important;
    }

    .welcome-logo svg {
        width: 36px !important;
        height: 36px !important;
    }

    .welcome-logo-text {
        font-size: 1.8rem !important;
    }

    /* ---- Heading: The main centered greeting ---- */
    .welcome-heading {
        font-size: 1.35rem !important;
        font-weight: 500 !important;
        margin-bottom: 0 !important;
        line-height: 1.3;
        color: var(--text-secondary);
        text-align: center;
        padding: 0;
        font-family: var(--font-family) !important;
    }

    /* ---- Hide welcome input on mobile (use fixed bottom input) ---- */
    .welcome-input-container {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-width: 100%;
        margin-bottom: 0;
        padding: 10px 14px 16px;
        background: var(--bg-primary);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        z-index: 100;
    }

    .welcome-input-wrapper {
        border-radius: 24px;
        background: var(--bg-input);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 6px 10px;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    }

    .welcome-input {
        font-size: 0.95rem !important;
        padding: 10px 8px !important;
    }

    /* ---- Suggestion Chips: Inline, compact, 2-column grid ---- */
    .suggestion-chips {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        width: 100%;
        max-width: 360px;
        padding: 0;
        margin-top: 20px;
    }

    .chip {
        width: 100%;
        max-width: none;
        font-size: 0.78rem;
        padding: 10px 10px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.07);
        justify-content: flex-start;
        text-align: left;
        transition: all 0.15s ease;
    }

    .chip:active {
        transform: scale(0.97);
        background: rgba(85, 201, 112, 0.1);
        border-color: rgba(85, 201, 112, 0.3);
    }

    .chip-icon {
        font-size: 0.85rem;
    }

    /* ---- Download Section: Hidden on mobile ---- */
    .welcome-download-section {
        display: none;
    }

    /* ---- Chat Messages ---- */
    .message-inner {
        padding: 0 14px;
        gap: 10px;
    }

    .message {
        padding: 16px 0;
    }

    .message-avatar {
        width: 24px;
        height: 24px;
        min-width: 24px;
    }

    .chat-messages {
        padding-bottom: 100px;
    }

    /* ---- Chat Input: Fixed bottom bar ---- */
    .chat-input-container {
        padding: 10px 14px 16px;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        z-index: 100;
    }

    .chat-input-wrapper {
        border-radius: 24px;
    }

    /* ---- Misc Mobile Fixes ---- */
    .upload-type-selector {
        grid-template-columns: repeat(2, 1fr);
    }

    .conversation-delete {
        opacity: 1;
        padding: 6px;
    }

    /* ---- Upload Modal fixes ---- */
    .upload-modal {
        max-width: 92vw;
        max-height: 85vh;
    }
}

@media (max-width: 480px) {
    .welcome-logo svg {
        width: 32px !important;
        height: 32px !important;
    }

    .welcome-logo-text {
        font-size: 1.6rem !important;
    }

    .welcome-heading {
        font-size: 1.2rem !important;
    }

    .sidebar {
        width: 88%;
        max-width: 320px;
    }

    .sidebar-inner {
        width: 100%;
    }

    .suggestion-chips {
        max-width: 100%;
        gap: 6px;
    }

    .chip {
        font-size: 0.75rem;
        padding: 9px 8px;
        border-radius: 10px;
    }

    .chat-input-container,
    .welcome-input-container {
        padding: 8px 10px 14px;
    }

    .model-name {
        max-width: 85px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* ===== EXPORT TOOLBAR (in messages) ===== */
.export-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.export-btn {
    padding: 5px 12px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.export-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-bg);
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== MARKDOWN STYLES in AI messages ===== */
.message-content h1,
.message-content h2,
.message-content h3 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.message-content h1 {
    font-size: 1.25rem;
}

.message-content h2 {
    font-size: 1.1rem;
}

.message-content h3 {
    font-size: 1rem;
}

.message-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-secondary);
    font-style: italic;
}

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

.message-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
    font-size: 0.88rem;
}

.message-content th,
.message-content td {
    border: 1px solid var(--border-light);
    padding: 8px 12px;
    text-align: left;
}

.message-content th {
    background: var(--bg-hover);
    font-weight: 600;
}

/* ===== API KEY CONFIG PANEL ===== */
.config-panel {
    max-width: 768px;
    margin: 40px auto;
    padding: 0 24px;
}

.config-card {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.config-card h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.config-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.config-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-input);
    border-radius: 10px;
    font-size: 0.9rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-primary);
    outline: none;
    transition: all var(--transition-fast);
}

.config-input:focus {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-input-focus);
}

.config-btn {
    padding: 10px 20px;
    border: none;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.config-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 500;
}

.config-status.connected {
    color: #16a34a;
}

.config-status.disconnected {
    color: #dc2626;
}

/* ===== LOGIN MODAL ===== */
.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: white;
    color: #3c4043;
    border: 1px solid #dadce0;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: 'Roboto', var(--font-family);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.google-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 1px 3px rgba(60, 64, 67, 0.3);
}

.google-btn svg {
    min-width: 20px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ===== DARK SELECT DROPDOWNS ===== */
select.welcome-input,
select {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-medium) !important;
    color-scheme: dark;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px !important;
}

select.welcome-input option,
select option {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* ===== JOBS CUSTOM DROPDOWNS ===== */
.jobs-custom-select {
    position: relative;
    user-select: none;
}

.jobs-select-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    white-space: nowrap;
}

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

.jobs-select-btn svg {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform 0.2s;
}

.jobs-custom-select.open .jobs-select-btn svg {
    transform: rotate(180deg);
}

.jobs-custom-select.open .jobs-select-btn {
    border-color: var(--accent-primary);
}

.jobs-select-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    overflow: hidden;
    animation: dropdownFadeIn 0.15s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.jobs-custom-select.open .jobs-select-menu {
    display: block;
}

.jobs-select-option {
    padding: 8px 14px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.jobs-select-option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.jobs-select-option.active {
    color: var(--accent-primary);
    font-weight: 600;
    background: rgba(139, 92, 246, 0.08);
}

/* ===== DOWNLOAD SECTION ===== */
.welcome-download-section {
    margin-top: 60px;
    width: 100%;
    max-width: 700px;
    animation: fadeIn 0.8s ease-out;
    padding-bottom: 40px;
}

.download-header {
    text-align: center;
    margin-bottom: 24px;
}

.download-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.download-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.download-cards-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.download-card {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 16px;
    transition: all var(--transition-normal);
    cursor: default;
}

.download-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-hover);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.card-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-content p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 16px;
}

.download-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    font-size: 0.84rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.download-action-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

@media (max-width: 640px) {
    .download-cards-container {
        grid-template-columns: 1fr;
    }

    .welcome-download-section {
        margin-top: 40px;
    }
}