/* ============================================================
   CSS Design Tokens — AVM POS System
   Premium light theme with Cecotec branding (#00aacc)
   ============================================================ */

:root {
    /* ── Colors — Light Theme ── */
    --color-bg-primary: #f5f7fa;
    --color-bg-secondary: #ffffff;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #f0f4f8;
    --color-bg-elevated: #ffffff;
    --color-bg-input: #f0f3f7;
    --color-bg-glass: rgba(255, 255, 255, 0.92);
    --color-bg-page: #eef2f7;

    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-hover: rgba(0, 0, 0, 0.15);
    --color-border-focus: rgba(0, 170, 204, 0.5);

    /* Primary — Cecotec Teal */
    --color-primary: #00aacc;
    --color-primary-hover: #0095b3;
    --color-primary-dark: #007a94;
    --color-primary-glow: rgba(0, 170, 204, 0.15);
    --color-primary-soft: rgba(0, 170, 204, 0.08);
    --color-primary-light: #e6f7fa;

    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-success-soft: rgba(16, 185, 129, 0.08);

    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-warning-soft: rgba(245, 158, 11, 0.08);

    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-danger-soft: rgba(239, 68, 68, 0.08);

    --color-info: #0ea5e9;
    --color-info-soft: rgba(14, 165, 233, 0.08);

    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a5568;
    --color-text-tertiary: #718096;
    --color-text-muted: #a0aec0;

    /* ── Typography ── */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --font-size-xs: 0.6875rem;   /* 11px */
    --font-size-sm: 0.8125rem;   /* 13px */
    --font-size-base: 0.9375rem; /* 15px */
    --font-size-md: 1rem;        /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.375rem;    /* 22px */
    --font-size-2xl: 1.75rem;    /* 28px */
    --font-size-3xl: 2.25rem;    /* 36px */
    --font-size-4xl: 3rem;       /* 48px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    /* ── Spacing ── */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */

    /* ── Border Radius ── */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;

    /* ── Shadows — Light Theme ── */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px var(--color-primary-glow);
    --shadow-success-glow: 0 0 20px rgba(16, 185, 129, 0.15);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);

    /* ── Transitions ── */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ── Z-Index ── */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal-backdrop: 300;
    --z-modal: 400;
    --z-notification: 500;
    --z-tooltip: 600;
}