/* ==============================================
   RESET & BASE STYLES
   ============================================== */

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

:root {
    /* Dark Theme Colors - Professional Navy/Slate Palette */
    --bg-primary: #0B0F19;
    --bg-secondary: #111827;
    --bg-tertiary: #1F2937;
    --bg-card: #111827;

    /* Border Colors */
    --border-color: #1E293B;
    --border-strong: #334155;

    /* Accent Colors - Blue Primary */
    --accent-primary: #3B82F6;
    --accent-secondary: #60A5FA;
    --accent-success: #10B981;
    --accent-warning: #FBBF24;
    --accent-danger: #EF4444;

    /* Semantic Colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #FBBF24;
    --info: #38BDF8;

    /* Text Colors */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;        /* 8px */
    --radius-md: 0.75rem;       /* 12px */
    --radius-lg: 1rem;          /* 16px */

    /* Shadows - Deeper for professional look */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.35);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==============================================
   LANDING PAGE STYLES
   ============================================== */

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: var(--spacing-xl) 0 4rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-note {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--accent-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Problem Section */
.problem {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.problem-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.problem-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.problem-icon svg {
    width: 100%;
    height: 100%;
    color: var(--accent-danger);
    stroke-width: 1.5;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-danger);
}

.problem-card p {
    color: var(--text-secondary);
}

/* Solution/Features Section */
.solution {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    color: var(--accent-primary);
    stroke-width: 1.5;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Comparison Section */
.comparison {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table .highlight-col {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--accent-primary);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.price-badge {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.price-badge .currency {
    font-size: 2rem;
    color: var(--accent-primary);
}

.price-badge .amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.price-badge .period {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    margin-top: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Social Proof Section */
.social-proof {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-primary);
}

.testimonial .quote {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial .author {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* CTA Footer */
.cta-footer {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
    text-align: center;
}

.cta-footer h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-footer p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer a {
    color: var(--accent-primary);
    text-decoration: none;
    margin: 0 var(--spacing-sm);
}

.footer a:hover {
    text-decoration: underline;
}

/* ==============================================
   APP STYLES
   ============================================== */

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.app-header {
    background: var(--bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.app-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.app-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(96, 165, 250, 0.1) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-md);
}

.welcome-banner h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.welcome-banner p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Trade Form */
.trade-form {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.trade-form h2 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.screenshot-drop-zone {
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(59, 130, 246, 0.05);
}

.screenshot-drop-zone:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-primary);
}

.screenshot-drop-zone.drag-over {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent-primary);
}

.screenshot-preview {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: var(--border-strong);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

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

/* Trade Outcome Section */
.trade-outcome-section {
    margin-bottom: var(--spacing-md);
}

.trade-outcome-section label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.trade-outcome-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.outcome-button {
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    font-weight: 700;
    min-width: 100px;
}

.outcome-button:hover {
    opacity: 0.9;
}

.outcome-button-win:hover {
    background: rgba(6, 255, 165, 0.1);
    border-color: var(--accent-success);
}

.outcome-button-loss:hover {
    background: rgba(255, 0, 110, 0.1);
    border-color: var(--accent-danger);
}

.outcome-button-breakeven:hover {
    background: rgba(184, 184, 209, 0.1);
    border-color: var(--text-secondary);
}

.outcome-button-win.active {
    background: var(--accent-success);
    color: var(--bg-primary);
    border-color: var(--accent-success);
    box-shadow: 0 0 12px rgba(6, 255, 165, 0.4);
}

.outcome-button-loss.active {
    background: var(--accent-danger);
    color: var(--text-primary);
    border-color: var(--accent-danger);
    box-shadow: 0 0 12px rgba(255, 0, 110, 0.4);
}

.outcome-button-breakeven.active {
    background: var(--text-secondary);
    color: var(--bg-primary);
    border-color: var(--text-secondary);
    box-shadow: 0 0 12px rgba(184, 184, 209, 0.4);
}

/* Setup Quality Section */
.setup-quality-section {
    margin-bottom: var(--spacing-md);
}

.setup-quality-section label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.setup-quality-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.setup-button {
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    font-weight: 700;
    min-width: 60px;
}

.setup-button:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-primary);
}

.setup-button.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

/* Tag Category Sections */
.tag-category-section {
    margin-bottom: var(--spacing-md);
}

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

.tag-category-header label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.btn-add-tag {
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.75rem;
    font-weight: 600;
}

.btn-add-tag:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-primary);
}

.tag-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    min-height: 40px;
}

.tag-button {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag-button:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-primary);
}

.tag-button.active {
    background: var(--accent-primary);
    color: #FFFFFF;
    border-color: var(--accent-primary);
}

.tag-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(255, 0, 110, 0.2);
    border-radius: 50%;
    color: var(--accent-danger);
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-delete:hover {
    background: var(--accent-danger);
    color: white;
}

.tag-button.active .tag-delete {
    background: rgba(0, 0, 0, 0.3);
    color: white;
}

.tag-button.active .tag-delete:hover {
    background: rgba(255, 0, 110, 0.9);
}

/* Dashboard */
.dashboard {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.dashboard h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

.stat-value.negative {
    color: var(--error);
}

.stat-value.muted {
    color: var(--text-muted);
}

/* Analytics Sections */
.analytics-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Trade List */
.trade-list {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.trade-list h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-primary);
}

.trade-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

.trade-incomplete {
    border-left: 3px solid var(--warning);
    background: rgba(255, 193, 7, 0.05);
}

.trade-thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.trade-thumbnail:hover {
    opacity: 0.8;
}

.trade-details {
    flex: 1;
}

.trade-pair {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.trade-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.trade-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.trade-tag {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.tag-emotion {
    background: rgba(123, 44, 191, 0.2);
    color: var(--accent-secondary);
}

.tag-execution {
    background: rgba(6, 255, 165, 0.2);
    color: var(--accent-success);
}

.setup-quality-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 2px 4px rgba(0, 212, 255, 0.3);
}

.outcome-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.outcome-badge-win {
    background: var(--accent-success);
    color: var(--bg-primary);
    box-shadow: 0 2px 4px rgba(6, 255, 165, 0.3);
}

.outcome-badge-loss {
    background: var(--accent-danger);
    color: var(--text-primary);
    box-shadow: 0 2px 4px rgba(255, 0, 110, 0.3);
}

.outcome-badge-breakeven {
    background: var(--text-secondary);
    color: var(--bg-primary);
    box-shadow: 0 2px 4px rgba(184, 184, 209, 0.3);
}

.outcome-badge-pending {
    background: rgba(255, 190, 11, 0.3);
    color: var(--accent-warning);
    border: 1px solid var(--accent-warning);
    box-shadow: 0 2px 4px rgba(255, 190, 11, 0.2);
}

.trade-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.modal-close:hover {
    color: var(--accent-danger);
}

.modal-image {
    max-width: 100%;
    border-radius: var(--radius-md);
}

/* ==============================================
   RESPONSIVE STYLES
   ============================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .app-header {
        flex-direction: column;
        align-items: stretch;
    }

    .app-actions {
        width: 100%;
        justify-content: stretch;
    }

    .app-actions .btn {
        flex: 1;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .trade-item {
        grid-template-columns: 1fr;
    }

    .trade-thumbnail {
        width: 100%;
        height: 200px;
    }
}

/* ==============================================
   UTILITY CLASSES
   ============================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

/* ==============================================
   SUBSCRIPTION & PAYWALL STYLES
   ============================================== */

/* Subscription Banner */
.subscription-banner {
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
    border: 1px solid rgba(123, 44, 191, 0.4);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

.subscription-banner.hidden {
    display: none;
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.banner-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 1rem;
}

.banner-message strong {
    color: var(--accent-primary);
}

.banner-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Subscription Badge in Header */
.subscription-badge {
    display: inline-block;
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-sm);
    font-weight: 600;
}

.subscription-badge.premium {
    background: linear-gradient(135deg, var(--accent-success) 0%, var(--accent-primary) 100%);
    color: var(--bg-primary);
}

.subscription-badge.trial {
    background: rgba(255, 190, 11, 0.2);
    color: var(--accent-warning);
    border: 1px solid var(--accent-warning);
}

.subscription-badge.hidden {
    display: none;
}

/* Upgrade Modal/Prompt */
.upgrade-prompt {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    z-index: 10000;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.upgrade-prompt h2 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.upgrade-prompt p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.upgrade-prompt-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Overlay for upgrade prompt */
.upgrade-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.upgrade-overlay.hidden,
.upgrade-prompt.hidden {
    display: none;
}

/* Animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .banner-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .banner-actions {
        justify-content: center;
    }

    .subscription-badge {
        display: block;
        margin: var(--spacing-xs) 0 0 0;
    }
}

/* ==============================================
   AI CHAT INTERFACE
   ============================================== */

#chatMessages {
    scroll-behavior: smooth;
}

.chat-message {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chat-message-user {
    align-items: flex-end;
}

.chat-message-ai {
    align-items: flex-start;
}

.chat-message-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.chat-message-user .chat-message-label {
    color: var(--accent-primary);
}

.chat-message-ai .chat-message-label {
    color: var(--accent-secondary);
}

.chat-message-content {
    max-width: 85%;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.chat-message-user .chat-message-content {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-bottom-right-radius: 0.25rem;
}

.chat-message-ai .chat-message-content {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 0.25rem;
}

.chat-message-content p {
    margin-bottom: 0.5rem;
}

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

.chat-message-content ul,
.chat-message-content ol {
    margin-left: 1.25rem;
    margin-bottom: 0.5rem;
}

.chat-message-content li {
    margin-bottom: 0.25rem;
}

.chat-message-content strong {
    color: var(--accent-warning);
    font-weight: 600;
}

.chat-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-width: 120px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.chat-loading-dots {
    display: flex;
    gap: 0.25rem;
}

.chat-loading-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-secondary);
    animation: chatLoadingDot 1.4s infinite ease-in-out both;
}

.chat-loading-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.chat-loading-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes chatLoadingDot {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

#chatInput:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(123, 44, 191, 0.1);
}

/* ==============================================
   COACH SELECTION
   ============================================== */

.coach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.coach-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.coach-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.coach-card-header {
    padding: 1.5rem;
    text-align: center;
    color: white;
}

.coach-card-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.coach-subtitle {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
}

.coach-card-body {
    padding: 1.5rem;
}

.coach-backstory {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.coach-backstory strong {
    color: var(--accent-warning);
}

.coach-traits {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.trait-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.trait-item:last-child {
    margin-bottom: 0;
}

.trait-label {
    color: var(--text-muted);
    font-weight: 600;
}

.trait-value {
    color: var(--text-primary);
}

.coach-stats {
    margin-bottom: 1.5rem;
}

.stat-bar {
    margin-bottom: 0.75rem;
}

.stat-bar:last-child {
    margin-bottom: 0;
}

.stat-bar span {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-bar .stat-fill {
    height: 6px;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.coach-quote {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(123, 44, 191, 0.1);
    border-left: 3px solid var(--accent-secondary);
    border-radius: var(--radius-sm);
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.coach-select-btn {
    width: 100%;
}

@media (max-width: 768px) {
    .coach-grid {
        grid-template-columns: 1fr;
    }
}