/* ==========================================================
   NEON GLASSMORPHISM DESIGN SYSTEM
   Frosted glass panels, neon cyan-blue primary, purple accent,
   soft glow borders/shadows. Loads BEFORE all other stylesheets.
   ========================================================== */

/* DARK MODE = DEFAULT */
:root {
    /* ---- PRIMARY (neon cyan-blue) ---- */
    --primary-color: #38bdf8;
    --primary-dark: #0ea5e9;
    --primary-light: #7dd3fc;
    --accent: #a855f7;

    /* ---- TEXT ---- */
    --text-color: rgba(255, 255, 255, 0.85);
    --text-secondary: rgba(255, 255, 255, 0.5);
    --text-heading: #ffffff;
    --text-on-primary: #0a0a1a;

    /* ---- SURFACES (glass panels) ---- */
    --background-color: #0a0a1a;
    --card-bg: rgba(15, 15, 35, 0.6);
    --surface-elevated: rgba(25, 25, 55, 0.7);

    /* ---- GRADIENTS ---- */
    --gradient-bg: linear-gradient(180deg, #0a0a1a 0%, #0d0d24 50%, #0a0a1a 100%);
    --gradient-primary: linear-gradient(135deg, #0ea5e9, #a855f7);
    --gradient-accent: linear-gradient(135deg, #38bdf8, #7c3aed);
    --gradient-card: linear-gradient(180deg, rgba(15, 15, 35, 0.6) 0%, rgba(20, 20, 45, 0.5) 100%);

    /* ---- BORDERS & SHADOWS ---- */
    --border-color: rgba(56, 189, 248, 0.12);
    --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.4), 0 0 6px rgba(56, 189, 248, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5), 0 0 12px rgba(56, 189, 248, 0.06);
    --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.12), 0 0 40px rgba(168, 85, 247, 0.06);
    --shadow-glow: 0 0 15px rgba(56, 189, 248, 0.1), 0 0 30px rgba(168, 85, 247, 0.05);

    /* ---- GLASS ---- */
    --glass-blur: blur(20px);
    --glass-border: 1px solid rgba(56, 189, 248, 0.12);

    /* ---- TYPOGRAPHY ---- */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* ---- UTILITY COLORS ---- */
    --success: #34d399;
    --danger: #f87171;
    --warning: #fbbf24;
    --info: #38bdf8;

    /* ---- INPUT ---- */
    --input-bg: rgba(15, 15, 35, 0.5);
    --input-border: rgba(56, 189, 248, 0.1);
    --input-focus: rgba(56, 189, 248, 0.35);

    /* ---- MISC ---- */
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* LIGHT MODE */
[data-theme="light"] {
    --primary-color: #0284c7;
    --primary-dark: #0369a1;
    --primary-light: #38bdf8;
    --accent: #7c3aed;

    --text-color: #1e293b;
    --text-secondary: #64748b;
    --text-heading: #0f172a;
    --text-on-primary: #ffffff;

    --background-color: #f1f5f9;
    --card-bg: rgba(255, 255, 255, 0.85);
    --surface-elevated: rgba(241, 245, 249, 0.9);

    --gradient-bg: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 50%, #f1f5f9 100%);
    --gradient-primary: linear-gradient(135deg, #0284c7, #7c3aed);
    --gradient-accent: linear-gradient(135deg, #0ea5e9, #6d28d9);
    --gradient-card: none;

    --border-color: rgba(2, 132, 199, 0.1);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1), 0 0 12px rgba(2, 132, 199, 0.08);
    --shadow-glow: 0 0 12px rgba(2, 132, 199, 0.06);

    --glass-blur: blur(12px);
    --glass-border: 1px solid rgba(2, 132, 199, 0.08);

    --input-bg: rgba(255, 255, 255, 0.7);
    --input-border: rgba(2, 132, 199, 0.12);
    --input-focus: rgba(2, 132, 199, 0.25);
}