/* =============================================
   N2O SHARED STYLES
   ============================================= */

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

/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =============================================
   THEME VARIABLES
   ============================================= */

/* Theme: Dark Orange */
[data-theme="dark-orange"] {
    --primary: #ff6600;
    --primary-dark: #cc5200;
    --primary-light: #ff8533;
    --primary-glow: rgba(255, 102, 0, 0.6);
    --bg: #0a0a0a;
    --bg-surface: #1a0d00;
    --bg-elevated: #0d0500;
    --text: #ff6600;
    --text-dim: #cc7733;
    --text-bright: #ffaa55;
    --green: #00ff66;
    --green-dim: #009940;
    --border: #994400;
    --scanline-opacity: 0.1;
}

/* Theme: Dark Black */
[data-theme="dark-black"] {
    --primary: #ffffff;
    --primary-dark: #aaaaaa;
    --primary-light: #ffffff;
    --primary-glow: rgba(255, 255, 255, 0.4);
    --bg: #0a0a0a;
    --bg-surface: #151515;
    --bg-elevated: #0d0d0d;
    --text: #ffffff;
    --text-dim: #888888;
    --text-bright: #ffffff;
    --green: #00ff66;
    --green-dim: #009940;
    --border: #444444;
    --scanline-opacity: 0.05;
}

/* Theme: Light Black */
[data-theme="light-black"] {
    --primary: #000000;
    --primary-dark: #333333;
    --primary-light: #000000;
    --primary-glow: rgba(0, 0, 0, 0.2);
    --bg: #f5f5f0;
    --bg-surface: #ffffff;
    --bg-elevated: #eeeeea;
    --text: #000000;
    --text-dim: #666666;
    --text-bright: #000000;
    --green: #00994d;
    --green-dim: #006633;
    --border: #cccccc;
    --scanline-opacity: 0.03;
}

/* Theme: Light Orange */
[data-theme="light-orange"] {
    --primary: #e65c00;
    --primary-dark: #cc5200;
    --primary-light: #ff6600;
    --primary-glow: rgba(230, 92, 0, 0.3);
    --bg: #fff8f0;
    --bg-surface: #ffffff;
    --bg-elevated: #fff0e0;
    --text: #e65c00;
    --text-dim: #996644;
    --text-bright: #cc4400;
    --green: #00994d;
    --green-dim: #006633;
    --border: #ffcc99;
    --scanline-opacity: 0.02;
}

/* ===== BASE STYLES ===== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* ===== SCANLINES (LCD effect) ===== */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, var(--scanline-opacity)) 0px,
        rgba(0, 0, 0, var(--scanline-opacity)) 1px,
        transparent 1px,
        transparent 2px
    );
}

/* =============================================
   DEV PANEL
   ============================================= */

.dev-panel-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    cursor: pointer;
    z-index: 999;
    transition: all 0.2s ease;
}

.dev-panel-toggle:hover {
    border-color: var(--primary);
    color: var(--text);
}

.dev-panel {
    position: fixed;
    bottom: 60px;
    right: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 16px;
    font-size: 0.75rem;
    z-index: 999;
    min-width: 220px;
    display: none;
    transition: all 0.3s ease;
}

.dev-panel.active {
    display: block;
}

.dev-panel h4 {
    color: var(--text);
    margin-bottom: 12px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.dev-panel-section {
    margin-bottom: 16px;
}

.dev-panel-section:last-child {
    margin-bottom: 0;
}

.dev-panel-label {
    color: var(--text-dim);
    margin-bottom: 8px;
    font-size: 0.7rem;
}

.dev-panel-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.dev-option {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.dev-option:hover {
    border-color: var(--primary);
    color: var(--text);
}

.dev-option.active {
    border-color: var(--green);
    color: var(--green);
    background: rgba(0, 255, 102, 0.1);
}

.dev-panel-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

/* ===== COMMON LINK STYLES ===== */
.back-link {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
}

.back-link:hover {
    color: var(--text);
}

/* =============================================
   SITE HEADER COMPONENT
   ============================================= */

@keyframes headerSlideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-surface, #f5f5f0);
    border-bottom: 1px solid var(--border-default, #d4d4d4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    z-index: 100;
    box-sizing: border-box;
    transform: translateY(-100%);
    animation: headerSlideDown 0.3s ease-out forwards;
}

.site-header.no-animate {
    transform: translateY(0);
    animation: none;
}

.site-header-logo {
    text-decoration: none !important;
    display: block;
    line-height: 0;
}

.site-header-logo .ascii-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8px;
    line-height: 1.1;
    white-space: pre;
    color: var(--text-primary, #1a1a1a) !important;
    margin: 0;
    transition: transform 0.2s ease;
}

.site-header-logo:hover .ascii-logo {
    transform: scale(1.08);
    color: var(--text-primary, #1a1a1a) !important;
}

.site-header-cta {
    background: #C23B22;
    color: #FFFFFF !important;
    padding: 6px 16px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: background 0.2s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.site-header-cta:hover {
    background: #A33220;
    text-decoration: none;
}