/* ==========================================================================
   THEME 2 — Dark Modern Trading / Crypto Dashboard Aesthetic
   A bold dark UI with neon accents, monospace feel, grid layout,
   and an energetic slide-in animation on page load.
   ========================================================================== */

:root {
    --t2-bg: #0d1117;
    --t2-surface: #161b22;
    --t2-surface-alt: #1f2937;
    --t2-accent: #00ff88;            /* Neon green — gains */
    --t2-accent-pink: #ff3d71;       /* Hot pink — alerts / losses */
    --t2-accent-cyan: #58a6ff;       /* Cyan — interactive */
    --t2-text: #e6edf3;
    --t2-muted: #8b949e;
    --t2-border: #30363d;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "SF Mono", Monaco, Consolas, "Courier New", monospace;
    background: var(--t2-bg);
    color: var(--t2-text);
    line-height: 1.6;
    /* Subtle moving gradient background for a "live" feel */
    background-image:
        radial-gradient(circle at 20% 0%, rgba(0, 255, 136, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 100%, rgba(88, 166, 255, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

.demo-container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

img { max-width: 100%; height: auto; display: block; }

/* Header — sticky, glowing border */
.demo-header {
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--t2-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
    /* Glow pulse animation — runs 3 times on load */
    animation: t2HeaderGlow 1.5s ease-in-out 3;
}

@keyframes t2HeaderGlow {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
    50%      { box-shadow: 0 2px 20px rgba(0, 255, 136, 0.3); }
}

.demo-header .demo-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.demo-title {
    margin: 0;
    font-size: 1.2rem;
    color: var(--t2-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.demo-title::before { content: "> "; color: var(--t2-accent-cyan); }

.demo-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.demo-nav a {
    color: var(--t2-muted);
    text-decoration: none;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--t2-border);
    border-radius: 4px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
}

.demo-nav a:hover {
    color: var(--t2-bg);
    background: var(--t2-accent);
    border-color: var(--t2-accent);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
}

/* Main — grid layout, asymmetric */
.demo-main {
    padding: 2rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    /* Slide in from the left on load — runs once */
    animation: t2SlideInLeft 0.6s cubic-bezier(0.25, 1, 0.5, 1) 1;
}

@keyframes t2SlideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Hero — full width, dramatic */
.demo-hero {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--t2-surface) 0%, var(--t2-surface-alt) 100%);
    border: 1px solid var(--t2-border);
    border-left: 4px solid var(--t2-accent);
    border-radius: 8px;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
}

.demo-hero-img {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.25));
}

.demo-hero-text h2 {
    margin: 0 0 0.8rem;
    font-size: 1.6rem;
    color: var(--t2-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.demo-hero-text p { color: var(--t2-muted); margin: 0; }

/* Sections — card-like with colored accents */
.demo-section {
    background: var(--t2-surface);
    border: 1px solid var(--t2-border);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.demo-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--t2-accent-cyan);
}

.demo-section:nth-child(even)::before { background: var(--t2-accent-pink); }

.demo-section:hover {
    transform: translateY(-3px);
    border-color: var(--t2-accent);
}

.demo-section-title {
    font-size: 1rem;
    color: var(--t2-text);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--t2-border);
}

.demo-section-title::before { content: "// "; color: var(--t2-accent); }

.demo-section-img {
    width: 100%;
    border-radius: 4px;
    margin-bottom: 1rem;
    background: var(--t2-bg);
    border: 1px solid var(--t2-border);
}

.demo-section p { color: var(--t2-muted); font-size: 0.95rem; }

.demo-section strong { color: var(--t2-accent); font-family: inherit; }

/* Footer — minimal, terminal-like */
.demo-footer {
    background: var(--t2-surface);
    border-top: 1px solid var(--t2-border);
    padding: 1.5rem 0;
    margin-top: 3rem;
    color: var(--t2-muted);
    font-size: 0.85rem;
}

.demo-footer .demo-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
}

.demo-footer p { margin: 0; }

.demo-footer a { color: var(--t2-accent-cyan); text-decoration: none; }
.demo-footer a:hover { color: var(--t2-accent); }

/* Responsive */
@media (min-width: 600px) {
    .demo-hero { grid-template-columns: auto 1fr; }
    .demo-hero-img { margin: 0; }
    .demo-title { font-size: 1.4rem; }
    .demo-hero-text h2 { font-size: 2rem; }
}

@media (min-width: 900px) {
    .demo-main {
        /* Grid layout: hero spans full width; 3 sections in a row */
        grid-template-columns: repeat(3, 1fr);
    }
    .demo-hero { grid-column: 1 / -1; }
}

:focus-visible { outline: 2px solid var(--t2-accent); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}