/* =========================================
   THEME.CSS — Design system & theme tokens
   All theme-related, reusable, non-content-
   specific styles. Single source of truth.
   ========================================= */

/* --- Font --- */
@font-face {
    font-family: 'JetBrains Mono';
    src: url('/assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* --- CSS Variables / Design Tokens --- */
:root {
    font-family: 'JetBrains Mono', monospace;

    /* Backgrounds */
    --bg: #0e1118;
    --bg-secondary: #151a26;

    /* Text */
    --text: #f0f2f8;
    --text-dim: #a4adbd;
    --text-muted-60: #F0F2F899;
    --text-muted-75: #F0F2F8BF;
    --text-muted-25: #F0F2F840;
    --text-muted-20: #F0F2F833;
    --text-muted-07: #F0F2F812;

    /* Accent / Brand color */
    --accent: #e04646;
    --accent-light: #ff6b6b;
    --accent-strong: #ff3b3b;
    --accent-glow: #FF3B3BBF;
    --accent-glow-strong: #FF3B3BF2;
    --accent-surface-05: #E046460D;
    --accent-surface-12: #E046461F;
    --accent-shadow-20: #E0464633;
    --accent-shadow-40: #E0464666;

    /* Button: gray variant */
    --btn-gray-bg: var(--text-muted-07);
    --btn-gray-bg-hover: var(--text-muted-20);
    --btn-gray-border: var(--text-muted-25);
    --btn-gray-border-hover: var(--text-muted-60);
    --btn-gray-text: var(--text-muted-75);
    --btn-gray-text-hover: var(--text);
    --btn-gray-icon: var(--text-muted-60);

    /* Borders */
    --border: #1e2433;
}

/* --- Base / Reset --- */
html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    font-size: 16px;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
    color: var(--text);
    overflow-x: hidden;
}

/* --- Reusable UI: Accent Button / Link --- */
.social-link {
    padding: 0.8rem 2rem;
    border: 1px solid var(--accent);
    border-radius: 0.3rem;
    background: transparent;
    color: var(--accent-light);
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.social-link:hover {
    background: var(--accent);
    color: var(--text);
    border-color: var(--accent-light);
    box-shadow: 0 0 12px var(--accent-light);
}

.social-link:active {
    transform: scale(0.98);
}

/* --- Reusable UI: Play Button --- */
.play-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--accent);
    color: var(--text);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.play-btn:hover {
    background: var(--accent-light);
    box-shadow: 0 0 15px var(--accent-shadow-40);
}

.play-btn:active {
    transform: scale(0.95);
}

/* --- Reusable UI: Gray Button variant --- */
.btn-gray {
    background: var(--btn-gray-bg);
    border: 1px solid var(--btn-gray-border);
    color: var(--btn-gray-text);
    font-family: 'JetBrains Mono', monospace;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-gray:hover {
    background: var(--btn-gray-bg-hover);
    border-color: var(--btn-gray-border-hover);
    color: var(--btn-gray-text-hover);
}

/* --- Reusable UI: Accent dot indicator --- */
.red-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-strong);
    box-shadow: 0 0 14px var(--accent-glow);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    flex-shrink: 0;
}

.red-dot:hover {
    transform: scale(1.15);
    box-shadow: 0 0 20px var(--accent-glow-strong);
}

/* --- Reusable UI: Horizontal delimiter --- */
hr.delimiter,
.note-delimiter,
.comp-delimiter {
    height: 1px;
    background: var(--text-muted-07);
    border: none;
    margin: 0;
}

/* --- Reusable UI: Progress bar --- */
.progress-container {
    flex: 1;
    height: 4px;
    background: var(--accent-shadow-20);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-light);
    width: 0%;
    border-radius: 2px;
    transition: width 0.1s linear;
}

/* --- Overlay: base mechanics (theme-level, not content-specific) --- */
.overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 50;
    background: transparent;
}

.overlay.open {
    pointer-events: auto;
}

.overlay-circle {
    position: fixed;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--accent-strong);
    background: var(--bg);
    transform-origin: center;
    transform: scale(0);
    opacity: 1;
    transition: transform 0.7s ease-in-out;
    pointer-events: none;
}

.overlay.open .overlay-circle {
    transform: scale(300);
}

.overlay-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 6rem;
    opacity: 0;
    transition: opacity 0.25s ease-in-out;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none;
}

.overlay-content::-webkit-scrollbar {
    display: none;
}

.overlay.show-content .overlay-content {
    opacity: 1;
}

/* --- Typography: Brand / Hero --- */
.nick {
    font-size: clamp(3.5rem, 12vw, 7rem);
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}