/* ========================================
   TechResider AI - Fathom-inspired UI
   Premium Deep Tech Design
   ======================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Core Base - Deepest Black */
    --bg-app: #000000;
    --bg-sidebar: #050505;
    --bg-card: #0a0a0a;
    --bg-surface: #111111;
    --bg-input: #161616;

    /* Accents - Electric & Sharp */
    --primary: #4F46E5;
    /* Indigo-ish */
    --primary-hover: #4338ca;
    --accent: #10b981;
    /* Emerald/Cyber Green */
    --accent-glow: rgba(16, 185, 129, 0.4);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    --text-on-accent: #ffffff;

    /* Borders & Separators - Ultra Thin */
    --border-light: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --border-accent: rgba(79, 70, 229, 0.5);

    /* Effects */
    --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --glow-primary: 0 0 20px rgba(79, 70, 229, 0.15);

    /* Animation */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
    /* App-like feel */
}

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

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

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444;
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-light);
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 50;
    width: 260px;
    /* Specific width */
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.user-stats-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.75rem;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.token-display {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.token-count {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.plan-badge {
    background: #333;
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Menu */
.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 1rem;
}

.menu-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 1.5rem 0 0.5rem 0.75rem;
}

.menu-section:first-child .menu-section-title {
    margin-top: 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s var(--ease-out);
    margin-bottom: 2px;
    border: 1px solid transparent;
}

.menu-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.menu-item.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-strong);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.menu-icon {
    opacity: 0.7;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item:hover .menu-icon,
.menu-item.active .menu-icon {
    opacity: 1;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-light);
    background: var(--bg-sidebar);
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.2s;
}

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

.btn-upgrade {
    background: var(--primary);
    color: white !important;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.btn-upgrade:hover {
    background: var(--primary-hover);
}

/* ========================================
   MAIN CONTENT
   ======================================== */

.main-content {
    flex: 1;
    background-color: var(--bg-app);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-header {
    height: 64px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    z-index: 40;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.version-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-surface);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-light);
}

/* Content Area */
.main-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    max-width: 1400px;
    /* Wider for dashboard feel */
    margin: 0 auto;
    width: 100%;
}

/* Welcome Screen */
.welcome-screen {
    text-align: center;
    padding: 4rem 1rem;
}

.welcome-icon img {
    height: 80px;
    width: auto;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.welcome-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 400;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    transition: all 0.2s var(--ease-out);
}

.feature-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    background: var(--bg-surface);
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tool Cards */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.tool-header {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1.5rem;
}

.tool-icon-large {
    width: 64px;
    height: 64px;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.tool-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Forms */
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-surface);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.25);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Buttons */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: 0.2s;
    border: none;
}

.btn-primary {
    background: var(--text-primary);
    color: #000;
}

.btn-primary:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    border-color: var(--border-strong);
    background: #222;
}

/* Output */
.output-container {
    margin-top: 2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
}

.output-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.output-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.output-content {
    padding: 1.5rem;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.copy-btn {
    font-size: 0.8rem;
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Markdown Styles override */
#output-content h1,
#output-content h2,
#output-content h3 {
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    font-weight: 600;
}

#output-content p {
    margin-bottom: 1em;
}

#output-content code {
    background: #222;
    color: #fff;
    padding: 2px 4px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
}

#output-content pre {
    background: #151515;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid #333;
}

#output-content blockquote {
    border-left: 3px solid var(--primary);
    padding-left: 1rem;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        transition: transform 0.3s;
        z-index: 100;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-header {
        padding: 0 1rem;
    }

    .main-container {
        padding: 1rem;
    }
}

/* ========================================
   GALLERY & MEDIA CARDS
   ======================================== */

.gallery-section {
    margin-top: 3rem;
    animation: fadeIn 0.5s var(--ease-out);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.media-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
    position: relative;
    display: flex;
    flex-direction: column;
}

.media-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(79, 70, 229, 0.1);
}

.media-preview-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: #000;
    overflow: hidden;
}

.media-preview {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.media-card:hover .media-preview {
    transform: scale(1.05);
}

.media-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.media-info {
    padding: 1.25rem;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.8), var(--bg-card));
}

.media-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.media-actions {
    display: flex;
    gap: 0.75rem;
}

.media-action-btn {
    opacity: 0.6;
    transition: all 0.2s;
    cursor: pointer;
}

.media-action-btn:hover {
    opacity: 1;
    transform: scale(1.1);
    color: var(--primary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}