/* ============================================================
   REVOLUT MARKETING CANVAS DESIGN SYSTEM — STOCKPREDICT AI
   ============================================================ */

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

:root {
    /* --- Brand & Accent --- */
    --primary: #494fdf;          /* Cobalt Violet */
    --primary-bright: #4f55f1;   /* Cobalt Bright */
    --primary-deep: #3a40c4;     /* Cobalt Deep */
    --on-primary: #ffffff;

    /* --- Surfaces (Two-Mode Canvas System) --- */
    --canvas-light: #ffffff;
    --canvas-dark: #000000;
    --surface-soft: #f4f4f4;
    --surface-card: #ffffff;
    --surface-deep: #0a0a0a;
    --surface-elevated: #16181a;  /* Luminous dark card */

    /* --- Dividers & Outlines --- */
    --hairline-light: #e2e2e7;
    --hairline-dark: rgba(255, 255, 255, 0.12);
    --hairline-strong: #191c1f;

    /* --- Typography & Text Colors --- */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Light Canvas Text */
    --ink: #191c1f;
    --body-color: #1f2226;
    --charcoal: #3a3d40;
    --mute: #505a63;
    --ash: #5c5e60;
    --stone: #8d969e;
    --faint: #c9c9cd;

    /* Dark Canvas Text */
    --on-dark: #ffffff;
    --on-dark-mute: rgba(255, 255, 255, 0.72);

    /* --- Semantics / Product Mockup Accent Colors --- */
    --accent-teal: #00a87e;
    --accent-light-blue: #007bc2;
    --accent-blue-link: #376cd5;
    --accent-light-green: #428619;
    --accent-green-text: #006400;
    --accent-yellow: #b09000;
    --accent-warning: #ec7e00;
    --accent-pink: #e61e49;
    --accent-danger: #e23b4a;
    --accent-deep-red: #8b0000;
    --accent-brown: #936d62;

    /* --- Border Radii --- */
    --rounded-none: 0px;
    --rounded-sm: 8px;
    --rounded-md: 12px;
    --rounded-lg: 20px;
    --rounded-xl: 28px;
    --rounded-full: 9999px;

    /* --- Spacing --- */
    --space-xxs: 4px;
    --space-xs: 6px;
    --space-sm: 8px;
    --space-md: 14px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-xxl: 32px;
    --space-xxxl: 48px;
    --space-block: 80px;
    --space-section: 88px;
    --space-band: 120px;

    --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--canvas-dark);
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.mono {
    font-family: var(--font-mono);
    font-weight: 500;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ============================================================
   TYPOGRAPHY SYSTEM
   ============================================================ */
/* Aeonik Pro Display Substitutes: Weight 500, lineHeight 1.0, tight tracking */
.display-xxl {
    font-size: 136px;
    font-weight: 500;
    line-height: 1.0;
    letter-spacing: -2.72px;
}

.display-xl {
    font-size: 80px;
    font-weight: 500;
    line-height: 1.0;
    letter-spacing: -0.8px;
}

.display-lg {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.21;
    letter-spacing: -0.48px;
}

.display-md {
    font-size: 40px;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.4px;
}

.heading-lg {
    font-size: 32px;
    font-weight: 500;
    line-height: 1.19;
    letter-spacing: -0.32px;
}

.heading-md {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.33;
    letter-spacing: 0;
}

.heading-sm {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0;
}

/* Inter Body & Labels */
.body-lg {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.56;
    letter-spacing: -0.09px;
}

.body-md {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.24px; /* Fintech label precision */
}

.body-md-bold {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.16px;
}

.body-sm {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.43;
    letter-spacing: 0;
}

.button-lbl-lg {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0;
}

.button-lbl-md {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.24px;
}

.button-lbl-sm {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.43;
    letter-spacing: 0;
}

.caption-copy {
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0;
}

.link-emph {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.24px;
    color: var(--on-dark);
    border-bottom: 2px solid var(--on-dark);
}

.link-emph:hover {
    color: var(--primary-bright);
    border-color: var(--primary-bright);
}

/* ============================================================
   COMPONENTS: BUTTONS (PILL-SHAPED, MIN 48PX HEIGHT)
   ============================================================ */
.btn-primary {
    /* White pill CTA on dark */
    height: 48px;
    padding: 14px 28px;
    border-radius: var(--rounded-full);
    background-color: var(--canvas-light);
    color: var(--canvas-dark);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform var(--transition-smooth), background-color var(--transition-smooth);
}

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

.btn-primary:active {
    background-color: var(--stone);
    transform: translateY(0);
}

.btn-dark {
    /* Black pill CTA on light */
    height: 48px;
    padding: 14px 28px;
    border-radius: var(--rounded-full);
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform var(--transition-smooth), background-color var(--transition-smooth);
}

.btn-dark:hover {
    background-color: var(--hairline-strong);
    transform: translateY(-1px);
}

.btn-dark:active {
    background-color: var(--ink);
    transform: translateY(0);
}

.btn-outline-light {
    /* Outlined CTA on light */
    height: 48px;
    padding: 13px 27px;
    border-radius: var(--rounded-full);
    background-color: var(--canvas-light);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-smooth);
}

.btn-outline-light:hover {
    background-color: var(--surface-soft);
    transform: translateY(-1px);
}

.btn-outline-dark {
    /* Outlined CTA on dark */
    height: 48px;
    padding: 13px 27px;
    border-radius: var(--rounded-full);
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    border: 1px solid var(--on-dark);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-smooth);
}

.btn-outline-dark:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.btn-soft {
    /* Soft surface CTA */
    height: 48px;
    padding: 14px 28px;
    border-radius: var(--rounded-full);
    background-color: var(--surface-soft);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-smooth);
}

.btn-soft:hover {
    background-color: var(--hairline-light);
    transform: translateY(-1px);
}

.btn-pill-sm {
    /* Small pill chip */
    height: 36px;
    padding: 8px 16px;
    border-radius: var(--rounded-full);
    background-color: var(--surface-soft);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
}

.btn-pill-sm:hover {
    background-color: var(--hairline-light);
}

/* ============================================================
   BAND LAYOUT SYSTEM (FULL BLEED BANDS)
   ============================================================ */
.band-dark {
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    padding: var(--space-section) 0;
    width: 100%;
}

.band-light {
    background-color: var(--canvas-light);
    color: var(--ink);
    padding: var(--space-section) 0;
    width: 100%;
}

.band-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Smooth reveal animation for sections */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   TOP NAVIGATION
   ============================================================ */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: var(--canvas-dark);
    border-bottom: 1px solid var(--hairline-dark);
    z-index: 100;
    display: flex;
    align-items: center;
    transition: border-color var(--transition-smooth);
}

.nav-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.brand-logo-svg {
    flex-shrink: 0;
    color: var(--primary); /* Cobalt Violet brand accent */
}

.brand-name {
    font-size: 18px;
    font-weight: 500;
    color: var(--on-dark);
    letter-spacing: -0.4px;
}

.brand-accent {
    color: var(--primary-bright);
    font-weight: 600;
}

.brand-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    background-color: var(--surface-elevated);
    color: var(--primary-bright);
    padding: 2px 8px;
    border-radius: var(--rounded-sm);
    font-weight: 600;
    border: 1px solid var(--hairline-dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--on-dark-mute);
    padding: 6px 16px;
    border-radius: var(--rounded-full);
    transition: all var(--transition-smooth);
}

.nav-link:hover {
    color: var(--on-dark);
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Theme toggle input is hidden or displayed nicely */
.theme-toggle-btn {
    display: none;
}

/* ============================================================
   HERO / SEARCH SECTION
   ============================================================ */
.hero-section {
    background-color: var(--canvas-dark);
    padding: 160px 0 100px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 24px;
    z-index: 2;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.88px;
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    color: var(--on-dark-mute);
    padding: 6px 14px;
    border-radius: var(--rounded-full);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-teal);
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid var(--accent-teal);
    animation: ping 2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes ping {
    75%, 100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
    font-size: 80px;
    font-weight: 500;
    line-height: 1.0;
    letter-spacing: -2px;
    color: var(--on-dark);
    margin-bottom: 24px;
}

.hero-title .gradient-text {
    border-bottom: 4px solid var(--primary); /* Cobalt accent outline */
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.56;
    color: var(--on-dark-mute);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Box Restyling (Pill shape, premium interface) */
.search-container {
    position: relative;
    max-width: 580px;
    margin: 0 auto 32px;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-full);
    padding: 6px 6px 6px 20px;
    gap: 14px;
    height: 60px;
    transition: all var(--transition-smooth);
}

.search-box:focus-within {
    border-color: var(--on-dark);
}

.search-icon {
    color: var(--on-dark-mute);
    font-size: 16px;
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--on-dark);
    min-width: 0;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-run-btn {
    background-color: var(--canvas-light);
    color: var(--canvas-dark);
    border: none;
    border-radius: var(--rounded-full);
    height: 48px;
    padding: 0 24px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color var(--transition-smooth), transform var(--transition-smooth);
}

.search-run-btn:hover {
    background-color: var(--faint);
    transform: scale(1.02);
}

/* Autocomplete Dropdown - Luminous elevated list */
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-md);
    z-index: 10;
    max-height: 280px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.autocomplete-dropdown.open {
    display: block;
}

.ac-item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    cursor: pointer;
    transition: background-color var(--transition-smooth);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
}

.ac-item:last-child {
    border-bottom: none;
}

.ac-item:hover {
    background-color: rgba(255, 255, 255, 0.06);
}

.ac-symbol {
    width: 80px;
    font-size: 14px;
    font-weight: 600;
    color: var(--on-dark);
}

.ac-name {
    font-size: 14px;
    color: var(--on-dark-mute);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ac-empty {
    padding: 16px 20px;
    color: var(--on-dark-mute);
    font-size: 14px;
}

/* Quick Chips (Pills) */
.quick-chips {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.chip-label {
    font-size: 14px;
    color: var(--on-dark-mute);
    font-weight: 500;
}

.chip {
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    color: var(--on-dark);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--rounded-full);
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.chip:hover {
    border-color: var(--on-dark);
    background-color: rgba(255, 255, 255, 0.08);
}

/* ============================================================
   RESULTS SECTION WRAPPER & SUB-SECTIONS (BANDS)
   ============================================================ */
.results-section {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.results-section.hidden {
    display: none !important;
}

/* --- BAND 1: Stock Info Bar (White Catalogue Band) --- */
.stock-info-band {
    background-color: var(--canvas-light);
    color: var(--ink);
    padding: 48px 0;
    border-bottom: 1px solid var(--hairline-light);
    width: 100%;
}

.stock-info-inner {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

@media(min-width: 960px) {
    .stock-info-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.stock-identity {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stock-symbol-badge {
    background-color: var(--ink);
    color: var(--canvas-light);
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: var(--rounded-md);
}

.stock-name-area {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stock-full-name {
    font-size: 32px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.32px;
    line-height: 1.1;
}

.data-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mute);
}

.data-source-badge.live .ds-dot {
    background-color: var(--accent-teal);
}

.data-source-badge.sim .ds-dot {
    background-color: var(--accent-warning);
}

.ds-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.stock-stats-row {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 100px;
}

.stat-label {
    font-size: 11px;
    color: var(--stone);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.stat-value {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
}

.stat-change {
    font-size: 14px;
    font-weight: 600;
}

.stat-change.up { color: var(--accent-teal); }
.stat-change.down { color: var(--accent-danger); }

/* Range Bar Slider style visual */
.range-bar-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.range-low, .range-high {
    font-size: 11px;
    color: var(--stone);
}

.range-track {
    width: 100px;
    height: 4px;
    background-color: var(--hairline-light);
    border-radius: var(--rounded-full);
    position: relative;
    overflow: hidden;
}

.range-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background-color: var(--ink);
    border-radius: var(--rounded-full);
    width: 0%;
}

/* --- BAND 2: Chart & Prediction Grid (Dark Storytelling Band) --- */
.chart-prediction-band {
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    padding: var(--space-section) 0;
    width: 100%;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media(min-width: 1024px) {
    .main-grid {
        grid-template-columns: 1.7fr 1fr;
    }
}

/* Panel Design: No shadows, elevated background shift */
.chart-panel {
    background-color: var(--surface-deep);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--hairline-dark);
    padding-bottom: 20px;
    margin-bottom: 24px;
    gap: 16px;
}

.panel-title {
    font-size: 24px;
    font-weight: 500;
    color: var(--on-dark);
    letter-spacing: -0.3px;
    margin-bottom: 4px;
}

.panel-sub {
    font-size: 14px;
    color: var(--on-dark-mute);
}

.panel-sub.sim-note {
    color: var(--accent-warning);
    font-weight: 500;
}

.timeframe-tabs {
    display: flex;
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    padding: 3px;
    border-radius: var(--rounded-full);
}

.tf-btn {
    border: none;
    background: transparent;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    color: var(--on-dark-mute);
    padding: 6px 14px;
    border-radius: var(--rounded-full);
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.tf-btn.active {
    background-color: var(--canvas-light);
    color: var(--canvas-dark);
}

.chart-area {
    height: 380px;
    position: relative;
    margin-top: 12px;
}

/* Prediction Side Panel */
.prediction-panel {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Forecast Card (Surface Elevated) */
.forecast-card {
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
}

.forecast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.forecast-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.88px;
    font-weight: 600;
    color: var(--on-dark-mute);
}

.forecast-badge {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 14px;
    border-radius: var(--rounded-full);
    border: 1px solid transparent;
}

.forecast-badge.bull {
    background-color: rgba(0, 168, 126, 0.1);
    color: var(--accent-teal);
    border-color: rgba(0, 168, 126, 0.25);
}

.forecast-badge.bear {
    background-color: rgba(226, 59, 74, 0.1);
    color: var(--accent-danger);
    border-color: rgba(226, 59, 74, 0.25);
}

.forecast-badge.neutral {
    background-color: rgba(176, 144, 0, 0.1);
    color: var(--accent-yellow);
    border-color: rgba(176, 144, 0, 0.25);
}

.forecast-direction {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: var(--rounded-md);
    background-color: var(--surface-deep);
    border: 1px solid var(--hairline-dark);
    margin-bottom: 24px;
}

.direction-arrow {
    width: 48px;
    height: 48px;
    border-radius: var(--rounded-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.direction-arrow.up {
    background-color: var(--accent-teal);
    color: #ffffff;
}

.direction-arrow.down {
    background-color: var(--accent-danger);
    color: #ffffff;
}

.direction-arrow.neutral {
    background-color: var(--accent-yellow);
    color: #ffffff;
}

.direction-text {
    display: flex;
    flex-direction: column;
}

.direction-main {
    font-size: 24px;
    font-weight: 500;
}

.direction-main.bullish { color: var(--accent-teal); }
.direction-main.bearish { color: var(--accent-danger); }
.direction-main.neutral { color: var(--accent-yellow); }

.direction-sub {
    font-size: 13px;
    color: var(--on-dark-mute);
}

/* Confidence Gauge (Luminous circular meter) */
.confidence-gauge {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.gauge-ring {
    position: relative;
    width: 130px;
    height: 130px;
}

.gauge-svg {
    transform: rotate(-90deg);
}

.gauge-bg-ring {
    fill: none;
    stroke: var(--hairline-dark);
    stroke-width: 8;
}

.gauge-fg-ring {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.gauge-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gauge-pct {
    font-size: 26px;
    font-weight: 500;
    color: var(--on-dark);
}

.gauge-lbl {
    font-size: 12px;
    color: var(--on-dark-mute);
}

.forecast-meta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--hairline-dark);
    padding-top: 20px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.meta-row span:first-child {
    color: var(--on-dark-mute);
}

.meta-row span:last-child {
    color: var(--on-dark);
    font-weight: 500;
}

/* Accuracy Card (Elevated surface depth) */
.accuracy-card {
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
}

.acc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.acc-label {
    font-size: 14px;
    color: var(--on-dark-mute);
}

.acc-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--on-dark);
}

.acc-bar-track {
    height: 6px;
    background-color: var(--surface-deep);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-full);
    position: relative;
    margin: 16px 0;
}

.acc-bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background-color: var(--primary); /* Brand Cobalt violet mark */
    border-radius: var(--rounded-full);
    width: 0%;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-baseline-marker {
    position: absolute;
    top: -4px;
    bottom: -4px;
    width: 2px;
    background-color: var(--on-dark);
    z-index: 2;
}

.acc-diff {
    font-size: 13px;
    text-align: center;
    margin-top: 14px;
    font-weight: 600;
}

.acc-diff.positive { color: var(--accent-teal); }
.acc-diff.negative { color: var(--accent-danger); }

/* --- BAND 3: Reasons / Explainability (White Catalogue Band) --- */
.reasons-band {
    background-color: var(--canvas-light);
    color: var(--ink);
    padding: var(--space-band) 0;
    border-top: 1px solid var(--hairline-light);
    border-bottom: 1px solid var(--hairline-light);
    width: 100%;
}

.reasons-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.reasons-header {
    margin-bottom: 48px;
    max-width: 700px;
}

.reasons-title {
    font-size: 40px;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: -0.4px;
    display: flex;
    align-items: center;
    gap: 14px;
    line-height: 1.1;
    margin-bottom: 12px;
}

.reasons-title i {
    color: var(--primary); /* Cobalt brand accent */
}

.reasons-sub {
    font-size: 16px;
    color: var(--charcoal);
    line-height: 1.5;
}

.reasons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

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

/* Feature Cards on White catalogue - pure white card surface with flat border */
.reason-card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline-light);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.reason-card:hover {
    transform: translateY(-2px);
    border-color: var(--hairline-strong);
}

.reason-card.bull { border-top: 4px solid var(--accent-teal); }
.reason-card.bear { border-top: 4px solid var(--accent-danger); }
.reason-card.neutral-bull, .reason-card.neutral-bear { border-top: 4px solid var(--accent-yellow); }

.reason-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.reason-icon-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.reason-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--rounded-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.reason-icon.bull { background-color: rgba(0, 168, 126, 0.1); color: var(--accent-teal); }
.reason-icon.bear { background-color: rgba(226, 59, 74, 0.1); color: var(--accent-danger); }
.reason-icon.neutral-bull, .reason-icon.neutral-bear { background-color: rgba(176, 144, 0, 0.1); color: var(--accent-yellow); }

.reason-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.reason-factor {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
}

.reason-signal-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.reason-signal-label.bull { color: var(--accent-teal); }
.reason-signal-label.bear { color: var(--accent-danger); }
.reason-signal-label.neutral-bull, .reason-signal-label.neutral-bear { color: var(--accent-yellow); }

.reason-importance {
    text-align: right;
    display: flex;
    flex-direction: column;
}

.imp-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
}

.imp-label {
    font-size: 9px;
    color: var(--mute);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.reason-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.reason-importance-bar {
    height: 4px;
    background-color: var(--surface-soft);
    border-radius: var(--rounded-full);
    overflow: hidden;
}

.imp-bar-fill {
    height: 100%;
    border-radius: var(--rounded-full);
    width: 0%;
}

.imp-bar-fill.bull { background-color: var(--accent-teal); }
.imp-bar-fill.bear { background-color: var(--accent-danger); }
.imp-bar-fill.neutral-bull, .imp-bar-fill.neutral-bear { background-color: var(--accent-yellow); }

.reason-explanation {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body-color);
}

.reason-value-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    background-color: var(--surface-soft);
    padding: 10px 16px;
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline-light);
}

.rv-label {
    color: var(--mute);
}

.rv-val {
    font-weight: 600;
    color: var(--ink);
}

/* --- BAND 4: Historical Backtest (Dark Storytelling Band) --- */
.backtest-band {
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    padding: var(--space-band) 0;
    width: 100%;
}

.section-header {
    margin-bottom: 48px;
}

.section-badge {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--on-dark);
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    padding: 4px 12px;
    border-radius: var(--rounded-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 500;
    color: var(--on-dark);
    letter-spacing: -0.8px;
    line-height: 1.0;
    margin-bottom: 12px;
}

.section-sub {
    font-size: 16px;
    color: var(--on-dark-mute);
    max-width: 600px;
    line-height: 1.56;
}

/* Metrics Grid: Plan cards styling (luminous surface elevates) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.metric-card {
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 180px;
    transition: border-color var(--transition-smooth);
}

.metric-card:hover {
    border-color: rgba(255,255,255,0.25);
}

/* Recommended/Featured Plan Card - Cobalt Violet Inversion */
.metric-card.highlight {
    border-color: var(--primary);
    background-color: var(--primary);
    color: var(--on-primary);
}

.metric-card.highlight .metric-label {
    color: rgba(255, 255, 255, 0.72);
}

.metric-card.highlight .metric-big {
    color: var(--on-primary);
}

.metric-card.highlight .metric-diff {
    color: var(--on-primary);
}

.metric-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--on-dark-mute);
    margin-bottom: 12px;
}

.metric-big {
    font-size: 40px;
    font-weight: 500;
    color: var(--on-dark);
    line-height: 1.1;
    margin-bottom: 12px;
    letter-spacing: -0.8px;
}

.metric-diff {
    font-size: 13px;
    font-weight: 600;
}

.metric-diff.positive { color: var(--accent-teal); }
.metric-diff.negative { color: var(--accent-danger); }

.dist-bar {
    height: 8px;
    border-radius: var(--rounded-full);
    background-color: var(--surface-deep);
    display: flex;
    overflow: hidden;
    margin: 12px 0 16px;
}

.dist-bull {
    background-color: var(--accent-teal);
    height: 100%;
}

.dist-bear {
    background-color: var(--accent-danger);
    height: 100%;
}

/* Backtest Chart Box */
.backtest-chart-card {
    background-color: var(--surface-deep);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
}

.chart-legend {
    display: flex;
    align-items: center;
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--on-dark-mute);
}

.legend-item .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-item .dot.green { background-color: var(--accent-teal); }
.legend-item .dot.red { background-color: var(--accent-danger); }

.legend-item .line-swatch {
    width: 24px;
    height: 2px;
    background-color: rgba(99, 102, 241, 0.6);
}

/* --- BAND 5: Model Tuning (White Catalogue Band) --- */
.model-band {
    background-color: var(--canvas-light);
    color: var(--ink);
    padding: var(--space-band) 0;
    border-top: 1px solid var(--hairline-light);
    width: 100%;
}

.model-form-card {
    background-color: var(--canvas-light);
    border: 1px solid var(--hairline-light);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxl);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
}

.form-val {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary); /* Brand Cobalt Violet */
    background-color: var(--surface-soft);
    padding: 4px 10px;
    border-radius: var(--rounded-full);
    border: 1px solid var(--hairline-light);
}

/* Forms: Inputs styled with 56px height for fintech accessibility */
.text-input {
    background-color: var(--canvas-light);
    border: 1px solid var(--hairline-light);
    border-radius: var(--rounded-md);
    padding: 14px 16px;
    height: 56px;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    outline: none;
    transition: all var(--transition-smooth);
}

.text-input:focus {
    border-color: var(--hairline-strong);
    box-shadow: 0 0 0 1px var(--hairline-strong);
}

/* Custom sliders */
.range-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--rounded-full);
    background-color: var(--surface-soft);
    outline: none;
    margin: 12px 0;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--canvas-dark);
    cursor: pointer;
    transition: transform var(--transition-smooth);
    border: 2px solid var(--canvas-light);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.range-input::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.form-hint {
    font-size: 13px;
    color: var(--mute);
    line-height: 1.4;
}

/* Custom checkmark list toggles */
.form-checkbox-row {
    margin-bottom: 32px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding-left: 32px;
    cursor: pointer;
    font-size: 15px;
    user-select: none;
    color: var(--body-color);
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0; width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 20px;
    width: 20px;
    background-color: var(--canvas-light);
    border: 1px solid var(--hairline-light);
    border-radius: var(--rounded-sm);
    transition: all var(--transition-smooth);
}

.checkbox-label:hover input ~ .checkmark {
    border-color: var(--hairline-strong);
}

.checkbox-label input:checked ~ .checkmark {
    background-color: var(--canvas-dark);
    border-color: var(--canvas-dark);
}

.checkmark::after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-label input:checked ~ .checkmark::after {
    display: block;
}

.checkbox-label .checkmark::after {
    left: 7px;
    top: 3px;
    width: 4px;
    height: 9px;
    border: solid var(--canvas-light);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Retrain button is black pill on light canvas */
.retrain-btn {
    background-color: var(--canvas-dark);
    color: var(--on-dark);
    border: none;
    border-radius: var(--rounded-full);
    height: 52px;
    padding: 0 32px;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.24px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background-color var(--transition-smooth), transform var(--transition-smooth);
}

.retrain-btn:hover {
    background-color: var(--hairline-strong);
    transform: translateY(-1px);
}

/* ============================================================
   INTERACTIVE LOADER OVERLAY (REVOLUT AESTHETIC)
   ============================================================ */
.loader-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.98);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.loader-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-box {
    background-color: var(--surface-elevated);
    border: 1px solid var(--hairline-dark);
    border-radius: var(--rounded-lg);
    padding: var(--space-xxxl) var(--space-xxl);
    max-width: 500px;
    width: 90%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loader-brand-logo {
    margin-bottom: 24px;
    color: var(--primary-bright);
}

.loading-logo {
    animation: rotate-logo 2.5s infinite linear;
}

@keyframes rotate-logo {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-title {
    font-size: 24px;
    font-weight: 500;
    color: var(--on-dark);
    letter-spacing: -0.6px;
    margin-bottom: 8px;
}

.loader-msg {
    font-size: 14px;
    color: var(--on-dark-mute);
    margin-bottom: 32px;
}

.loader-progress-track {
    width: 100%;
    height: 4px;
    background-color: var(--surface-deep);
    border-radius: var(--rounded-full);
    margin-bottom: 32px;
    overflow: hidden;
    position: relative;
}

.loader-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background-color: var(--primary-bright); /* Brand Cobalt */
    width: 5%;
    transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.loader-timeline {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    width: 100%;
}

.timeline-item {
    opacity: 0.15;
    transform: scale(0.95);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.active {
    opacity: 1;
    transform: scale(1.05);
}

.timeline-pill {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.88px;
    padding: 6px 12px;
    border-radius: var(--rounded-full);
    border: 1px solid var(--hairline-dark);
}

.timeline-pill-thinking { background-color: rgba(255, 255, 255, 0.1); color: var(--on-dark); }
.timeline-pill-grep { background-color: rgba(255, 255, 255, 0.1); color: var(--on-dark); }
.timeline-pill-read { background-color: rgba(255, 255, 255, 0.1); color: var(--on-dark); }
.timeline-pill-edit { background-color: rgba(255, 255, 255, 0.1); color: var(--on-dark); }
.timeline-pill-done { background-color: var(--primary-bright); color: var(--on-primary); }

.loader-ticker {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--primary-bright);
    background-color: var(--surface-deep);
    border: 1px solid var(--hairline-dark);
    padding: 6px 14px;
    border-radius: var(--rounded-full);
    font-weight: 600;
}

/* ============================================================
   ERROR TOAST
   ============================================================ */
.error-toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background-color: var(--surface-elevated);
    border: 1px solid var(--accent-danger);
    border-radius: var(--rounded-md);
    padding: 18px 24px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.error-toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.error-toast i {
    color: var(--accent-danger);
    font-size: 18px;
}

.error-toast span {
    font-size: 15px;
    color: var(--on-dark);
    font-weight: 500;
}

.error-toast button {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--on-dark-mute);
    font-size: 16px;
    transition: color var(--transition-smooth);
}

.error-toast button:hover {
    color: var(--on-dark);
}

/* ============================================================
   FOOTER (True Black Canvas footer)
   ============================================================ */
.site-footer {
    background-color: var(--canvas-dark);
    color: var(--on-dark-mute);
    border-top: 1px solid var(--hairline-dark);
    padding: 80px 24px;
    width: 100%;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

@media(min-width: 768px) {
    .footer-inner {
        grid-template-columns: 2fr 1fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--on-dark-mute);
    max-width: 360px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links a {
    font-size: 14px;
    color: var(--on-dark-mute);
    transition: color var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--on-dark);
}

.footer-disclaimer {
    border-top: 1px solid var(--hairline-dark);
    padding-top: 32px;
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.4);
    grid-column: 1 / -1;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--hairline-dark);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ============================================================ */
@media (max-width: 1279px) {
    .display-xxl {
        font-size: 80px;
        letter-spacing: -1.2px;
    }
    .display-xl {
        font-size: 64px;
        letter-spacing: -0.64px;
    }
}

@media (max-width: 767px) {
    :root {
        --space-section: 64px;
    }
    
    .display-xxl {
        font-size: 48px;
        letter-spacing: -0.8px;
    }
    
    .display-xl {
        font-size: 40px;
        letter-spacing: -0.4px;
    }
    
    .section-title {
        font-size: 32px;
        letter-spacing: -0.4px;
    }
    
    .stock-full-name {
        font-size: 26px;
    }

    .hero-section {
        padding: 120px 0 60px;
    }
    
    .top-nav .nav-links {
        display: none; /* Collapses to brand and white pill search button */
    }
    
    .chart-area {
        height: 300px;
    }
}

/* Inactive nav links state when results section is hidden */
.nav-link.nav-inactive {
    opacity: 0.4 !important;
    cursor: not-allowed !important;
}

.nav-link.nav-inactive:hover {
    color: var(--on-dark-mute) !important;
    background-color: transparent !important;
}