/* ═══════════════════════════════════════════════════════════════
   COKI STUDIOS INDUSTRIAL HIGH-TECH DESIGN SYSTEM (CS-UI v3.0)
   Precision Engineering Aesthetic — Zero Generic AI Slop
   ═══════════════════════════════════════════════════════════════ */

:root {
    --cs-bg: #07080b;
    --cs-bg-card: #0d0f15;
    --cs-bg-card-sub: #12151e;
    --cs-bg-input: #0a0c10;
    --cs-hairline: rgba(255, 255, 255, 0.08);
    --cs-hairline-bright: rgba(255, 255, 255, 0.18);
    --cs-hairline-accent: rgba(0, 229, 153, 0.4);
    
    /* Vibrant Hardware Colors */
    --cs-green: #00e599;
    --cs-green-glow: rgba(0, 229, 153, 0.18);
    --cs-amber: #ff9e00;
    --cs-amber-glow: rgba(255, 158, 0, 0.18);
    --cs-cyan: #00d4ff;
    --cs-cyan-glow: rgba(0, 212, 255, 0.18);
    --cs-red: #ff3355;
    --cs-red-glow: rgba(255, 51, 85, 0.18);
    
    /* Typography */
    --cs-text-bright: #f0f3f8;
    --cs-text-sub: #8d98aa;
    --cs-text-muted: #4e5768;
    --cs-font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cs-font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

html.light-theme {
    --cs-bg: #f3f5f8;
    --cs-bg-card: #ffffff;
    --cs-bg-card-sub: #f8fafc;
    --cs-bg-input: #ffffff;
    --cs-hairline: rgba(0, 0, 0, 0.08);
    --cs-hairline-bright: rgba(0, 0, 0, 0.18);
    --cs-hairline-accent: rgba(0, 180, 120, 0.4);
    --cs-text-bright: #090c10;
    --cs-text-sub: #4b5563;
    --cs-text-muted: #9ca3af;
}

/* Base Canvas with Subtle Engineering Dot Grid */
.cs-industrial-body {
    background-color: var(--cs-bg);
    background-image: radial-gradient(var(--cs-hairline) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--cs-text-bright);
    font-family: var(--cs-font-sans);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Precision Hairline Panels */
.cs-panel {
    background: var(--cs-bg-card);
    border: 1px solid var(--cs-hairline);
    border-radius: 12px;
    padding: 24px;
    position: relative;
    box-shadow: 0 4px 24px rgba(0,0,0,0.35);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cs-panel:hover {
    border-color: var(--cs-hairline-bright);
}

.cs-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--cs-hairline);
    padding-bottom: 14px;
    margin-bottom: 20px;
}

.cs-panel-title {
    font-size: 15px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--cs-text-bright);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cs-tag {
    font-family: var(--cs-font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.cs-tag-green {
    background: var(--cs-green-glow);
    color: var(--cs-green);
    border: 1px solid rgba(0, 229, 153, 0.3);
}

.cs-tag-amber {
    background: var(--cs-amber-glow);
    color: var(--cs-amber);
    border: 1px solid rgba(255, 158, 0, 0.3);
}

.cs-tag-cyan {
    background: var(--cs-cyan-glow);
    color: var(--cs-cyan);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.cs-tag-red {
    background: var(--cs-red-glow);
    color: var(--cs-red);
    border: 1px solid rgba(255, 51, 85, 0.3);
}

/* Pulsing Status LED */
.cs-led {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.cs-led-green {
    background: var(--cs-green);
    box-shadow: 0 0 8px var(--cs-green);
    animation: csLedPulse 2s infinite ease-in-out;
}

.cs-led-amber {
    background: var(--cs-amber);
    box-shadow: 0 0 8px var(--cs-amber);
}

.cs-led-cyan {
    background: var(--cs-cyan);
    box-shadow: 0 0 8px var(--cs-cyan);
}

@keyframes csLedPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* High-Tech Segmented Tabs */
.cs-tabs-bar {
    display: flex;
    overflow-x: auto;
    gap: 4px;
    background: var(--cs-bg-card-sub);
    padding: 4px;
    border: 1px solid var(--cs-hairline);
    border-radius: 10px;
    margin-bottom: 24px;
    scrollbar-width: none;
}

.cs-tab-btn {
    background: transparent;
    border: none;
    color: var(--cs-text-sub);
    font-family: var(--cs-font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 8px 16px;
    border-radius: 7px;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.cs-tab-btn:hover {
    color: var(--cs-text-bright);
    background: rgba(255,255,255,0.04);
}

.cs-tab-btn.active {
    background: var(--cs-bg-card);
    color: var(--cs-text-bright);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    border: 1px solid var(--cs-hairline-bright);
}

/* Technical Inputs & Code Snippets */
.cs-input {
    background: var(--cs-bg-input);
    border: 1px solid var(--cs-hairline);
    border-radius: 8px;
    color: var(--cs-text-bright);
    font-family: var(--cs-font-sans);
    font-size: 13.5px;
    padding: 10px 14px;
    width: 100%;
    outline: none;
    transition: border-color 0.2s;
}

.cs-input:focus {
    border-color: var(--cs-cyan);
    box-shadow: 0 0 0 2px var(--cs-cyan-glow);
}

.cs-code-box {
    background: #050608;
    border: 1px solid var(--cs-hairline);
    border-radius: 8px;
    font-family: var(--cs-font-mono);
    font-size: 12.5px;
    color: var(--cs-green);
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow-x: auto;
}

/* Crisp Industrial Buttons */
.cs-btn {
    font-family: var(--cs-font-sans);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: 8px;
    padding: 9px 18px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}

.cs-btn-primary {
    background: var(--cs-green);
    color: #050806;
}

.cs-btn-primary:hover {
    background: #10fca6;
    box-shadow: 0 0 15px var(--cs-green-glow);
}

.cs-btn-secondary {
    background: rgba(255,255,255,0.05);
    color: var(--cs-text-bright);
    border-color: var(--cs-hairline);
}

.cs-btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--cs-hairline-bright);
}

.cs-btn-danger {
    background: var(--cs-red-glow);
    color: var(--cs-red);
    border-color: rgba(255, 51, 85, 0.3);
}

.cs-btn-danger:hover {
    background: var(--cs-red);
    color: white;
}