@import url('https://fonts.googleapis.com/css2?family=Black+Ops+One&family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:ital,wght@0,400;0,600;0,700;0,800;1,400&family=Comic+Neue:wght@700&display=swap');

:root {
    --bg-dark: #05070e;
    --bg-card: #090e18;
    --bg-card-glass: rgba(9, 14, 24, 0.95);
    --border-card: #141e30;
    --border-accent: rgba(56, 189, 248, 0.4);
    --border-glow: rgba(0, 240, 255, 0.6);

    --cyan: #00f0ff;
    --cyan-dim: rgba(0, 240, 255, 0.12);
    --blue: #38bdf8;
    --blue-dark: #0284c7;
    --red: #ef4444;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-dim: #64748b;

    --bubble-bg: #fffdf5;
    --bubble-text: #090d16;

    --font-stencil: 'Black Ops One', 'Impact', sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-bubble: 'Comic Neue', 'Arial Black', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1.25rem;
}

/* Ambient Background */
.ambient-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 50% 30%, rgba(0, 240, 255, 0.05) 0%, rgba(5, 7, 14, 0.98) 75%);
    z-index: 0;
}

.scanline-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%);
    background-size: 100% 4px;
    z-index: 0;
    opacity: 0.35;
}

.story-wrapper {
    position: relative;
    z-index: 1;
    max-width: 960px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ==========================================================================
   TOP HEADER BAR
   ========================================================================== */
.top-header-bar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding: 0 0.25rem;
}

.top-brand-title {
    font-family: var(--font-stencil);
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    letter-spacing: 2px;
    color: #f8fafc;
    text-transform: uppercase;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 255, 255, 0.1);
}

.skip-btn {
    background: rgba(15, 23, 42, 0.7);
    color: var(--text-secondary);
    border: 1px solid var(--border-card);
    padding: 0.55rem 1.15rem;
    border-radius: 8px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.825rem;
    font-weight: 700;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.5px;
}

.skip-btn:hover {
    color: var(--cyan);
    border-color: var(--cyan);
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
    transform: translateY(-1px);
}

/* ==========================================================================
   INTERACTIVE POSTER STAGE CONTAINER
   ========================================================================== */
.stage-container {
    width: 100%;
    position: relative;
    min-height: 520px;
}

.story-poster {
    background: var(--bg-card-glass);
    border: 1.5px solid var(--border-accent);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 240, 255, 0.12);
    backdrop-filter: blur(16px);
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 0;
    opacity: 0;
    transform: translateY(15px) scale(0.98);
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.story-poster.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    position: relative;
    z-index: 2;
}

.story-poster.poster-vault.active {
    border-color: rgba(239, 68, 68, 0.7);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 45px rgba(239, 68, 68, 0.35);
}

.poster-visual {
    position: relative;
    width: 100%;
    min-height: 480px;
    background: #000;
    overflow: hidden;
}

.poster-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.story-poster.active:hover .poster-image {
    transform: scale(1.03);
}

.visual-hud {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    background: rgba(5, 8, 15, 0.85);
    padding: 6px 12px;
    border-radius: 4px;
    border-left: 3px solid var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.visual-hud.hud-danger {
    border-left-color: var(--red);
    color: #fca5a5;
}

.poster-content {
    padding: 2.75rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(10, 15, 26, 0.98) 0%, rgba(6, 10, 18, 0.98) 100%);
}

.poster-header-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 1.5rem;
}

.chapter-number-pill {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--cyan);
    background: var(--cyan-dim);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 4px 10px;
    border-radius: 6px;
}

.poster-vault .chapter-number-pill {
    color: var(--red);
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
}

.chapter-heading-title {
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.poster-narrative {
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.poster-narrative p {
    margin-bottom: 0.75rem;
}

.poster-narrative p:last-child {
    margin-bottom: 0;
}

.narrative-thought-bubble {
    background: var(--bubble-bg);
    color: var(--bubble-text);
    padding: 1.1rem 1.35rem;
    border-radius: 14px;
    font-family: var(--font-bubble);
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 2px solid #000;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    position: relative;
    margin-top: auto;
    animation: bubblePop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes bubblePop {
    0% { transform: scale(0.95); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.narrative-thought-bubble::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 28px;
    border-width: 0 9px 9px 9px;
    border-style: solid;
    border-color: transparent transparent #000 transparent;
}

.narrative-thought-bubble::after {
    content: '';
    position: absolute;
    top: -7px;
    left: 29px;
    border-width: 0 8px 8px 8px;
    border-style: solid;
    border-color: transparent transparent var(--bubble-bg) transparent;
}

.bubble-emphasis-red {
    color: #b91c1c;
    font-weight: 900;
    display: block;
    margin-top: 4px;
}

/* ==========================================================================
   NAVIGATION ACTION CONTROLS
   ========================================================================== */
.controls-bar {
    width: 100%;
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background: rgba(10, 16, 28, 0.7);
    border: 1px solid var(--border-card);
    border-radius: 14px;
    padding: 1rem 1.5rem;
    backdrop-filter: blur(12px);
}

.stage-counter {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.stage-counter span {
    color: var(--cyan);
}

.action-buttons-group {
    display: flex;
    gap: 0.85rem;
    align-items: center;
}

.btn-nav-prev {
    background: rgba(15, 23, 42, 0.8);
    color: var(--text-secondary);
    border: 1px solid var(--border-card);
    padding: 0.85rem 1.4rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-nav-prev:hover:not(:disabled) {
    background: rgba(30, 41, 59, 0.9);
    border-color: var(--border-accent);
    color: var(--text-primary);
}

.btn-nav-prev:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-nav-next {
    background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
    color: #ffffff;
    border: 1px solid rgba(56, 189, 248, 0.5);
    padding: 0.85rem 1.75rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 0.925rem;
    letter-spacing: 0.5px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-nav-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
    border-color: var(--cyan);
}

.btn-nav-next.btn-begin-mode {
    background: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);
    border-color: rgba(248, 113, 113, 0.6);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.45);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .story-poster,
    .btn-nav-next,
    .narrative-thought-bubble {
        transition: none !important;
        animation: none !important;
    }
}

/* Responsive */
@media (max-width: 820px) {
    .story-poster {
        grid-template-columns: 1fr;
    }

    .poster-visual {
        min-height: 280px;
    }

    .poster-content {
        padding: 1.75rem 1.5rem;
    }

    .controls-bar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .action-buttons-group {
        width: 100%;
        justify-content: space-between;
    }

    .btn-nav-prev,
    .btn-nav-next {
        flex: 1;
        justify-content: center;
    }
}