/**
 * shared/base.css
 * Global design tokens for all Swoop Games.
 */

:root {
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Core Palette - Light Mode */
    --bg-color: #f3f2f7;
    --bg-gradient-end: #e5e7eb;
    --text-color: #1e1b4b;
    --text-dim: #6b7280;
    --header-color: #7c3aed;
    --border-color: rgba(124, 58, 237, 0.1);

    /* Surface Colors */
    --board-bg: #dfe4ea;
    --cell-bg: rgba(255, 255, 255, 0.5);

    /* Accents */
    --accent-color: #7c3aed;
    --accent-rgb: 124, 58, 237;
    --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #9061f9 100%);
    --accent-light: #eeebff;
    --accent-shadow: rgba(124, 58, 237, 0.2);

    /* Semantic Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ff4757;

    /* UI Tokens */
    --radius-card: 16px;
    --radius-btn: 14px;
    --transition-speed: 250ms;
    --btn-bg: var(--accent-color);
    --platform-width: 1600px;
    --nav-width-max: 1600px;
    --game-core-max: 520px;

    /* Glassmorphism */
    --card-bg: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-blur: blur(16px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    /* Shadows & Glows */
    --soft-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --premium-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.15), 0 8px 10px -6px rgba(124, 58, 237, 0.1);
    --glow-accent: 0 0 20px rgba(124, 58, 237, 0.4);
    --glow-success: 0 0 20px rgba(16, 185, 129, 0.4);
    --glow-warning: 0 0 20px rgba(245, 158, 11, 0.4);

    /* --- Responsive Fluid Tokens --- */
    --nav-gap-fluid: clamp(0.5rem, 1.2vw, 1.5rem);
    --nav-item-pad-x-fluid: clamp(8px, 1vw, 12px);
    --btn-pad-x-fluid: clamp(0.5rem, 2vw, 1.5rem);
    --btn-font-size-fluid: clamp(0.75rem, 1.5vw, 1rem);
}

body.dark-mode,
[data-theme="dark"] {
    /* Core Palette - Dark Mode */
    --bg-color: #0f172a;
    --bg-gradient-end: #020617;
    --text-color: #f8fafc;
    --text-dim: #94a3b8;
    --header-color: #c084fc;
    --border-color: rgba(139, 92, 246, 0.2);

    /* Surface Colors */
    --card-bg: rgba(30, 41, 59, 0.7);
    --board-bg: #1e293b;
    --cell-bg: rgba(255, 255, 255, 0.03);

    /* Accents */
    --accent-color: #a78bfa;
    --accent-rgb: 167, 139, 250;
    --accent-gradient: linear-gradient(135deg, #a78bfa 0%, #c4b5fd 100%);
    --accent-light: rgba(139, 92, 246, 0.15);
    --accent-shadow: rgba(139, 92, 246, 0.3);

    /* Glassmorphism */
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-blur: blur(20px);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);

    /* Shadows & Glows */
    --soft-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --premium-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.7), 0 0 15px rgba(139, 92, 246, 0.3);
    --glow-accent: 0 0 25px rgba(167, 139, 250, 0.5);
    --glow-success: 0 0 25px rgba(16, 185, 129, 0.3);
}

/* Base Styles */
site-header {
    display: block;
    width: 100%;
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-color);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100dvh;
    transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s;
    overflow-x: hidden;
}

body.dark-mode,
[data-theme="dark"] {
    background: linear-gradient(180deg, #111827 0%, #030712 100%);
}