/* ===================================
   DOT Venue — Design System Tokens
   Default: Mediterranean template
   Overridden at runtime by Branding.load()
   =================================== */

:root {
  /* === BRAND COLORS (overridden by theme API) === */
  /* Secondary — venue identity color */
  --brand-turquoise: #5DC1B9;
  --brand-turquoise-light: #8DD4CE;
  --brand-turquoise-dark: #4AAFA7;
  --brand-turquoise-rgb: 93, 193, 185;

  /* Secondary desaturated for background */
  --brand-turquoise-soft: #7DCCC6;

  /* Primary — text, accents, navigation */
  --brand-brown: #6B5344;
  --brand-brown-light: #8B7355;
  --brand-brown-dark: #4A3A2F;

  /* Legacy aliases */
  --brand-sea: var(--brand-turquoise);
  --brand-sea-light: var(--brand-turquoise-light);
  --brand-sea-dark: var(--brand-turquoise-dark);
  --brand-sea-rgb: var(--brand-turquoise-rgb);

  --brand-sand: #D4C4A8;
  --brand-sand-light: #E4D4B8;
  --brand-sand-dark: #C4B498;

  --brand-nature: #2E856E;
  --brand-nature-light: #3DA080;
  --brand-nature-dark: #1F6B54;

  --brand-coral: #E07A5F;

  /* === SEMANTIC COLORS === */
  --color-primary: var(--brand-brown);
  --color-primary-light: var(--brand-brown-light);
  --color-primary-dark: var(--brand-brown-dark);

  --color-secondary: var(--brand-sand);
  --color-accent: var(--brand-nature);

  /* === BACKGROUNDS (Light Mode) === */
  --bg-primary: #FDFCFA;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F5F3EF;
  --bg-card: #FFFFFF;
  --bg-elevated: #FFFFFF;

  /* Background App (colore istituzionale - più chiaro e meno saturo) */
  --bg-app: var(--brand-turquoise-soft);
  --bg-app-gradient: linear-gradient(180deg, var(--brand-turquoise-soft) 0%, var(--brand-turquoise) 100%);

  /* === GLASSMORPHISM === */
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-glass-blur: blur(20px);
  --bg-overlay: rgba(0, 0, 0, 0.5);
  --bg-scrim: rgba(10, 94, 124, 0.95);

  /* === TEXT === */
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-tertiary: #8A8A8A;
  --text-muted: #ABABAB;
  --text-inverse: #FFFFFF;
  --text-link: var(--brand-brown);
  --text-accent: var(--brand-brown);

  /* === BORDERS === */
  --border-default: #E8E4DE;
  --border-light: #F2EFE9;
  --border-focus: var(--brand-sea);

  /* === STATUS === */
  --status-success: #2E856E;
  --status-warning: #D4A853;
  --status-error: #C45C4A;
  --status-info: #0A5E7C;

  /* === TYPOGRAPHY === */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 2rem;       /* 32px */
  --text-4xl: 2.5rem;     /* 40px */

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* === SPACING (4px base) === */
  --space-0: 0;
  --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 */

  /* === RADIUS === */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* === SHADOWS === */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-modal: 0 25px 50px rgba(0, 0, 0, 0.25);

  /* Card flottanti su sfondo colorato */
  --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-float-hover: 0 12px 40px rgba(0, 0, 0, 0.2);

  /* === TRANSITIONS === */
  --duration-instant: 0ms;
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;

  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-modal: cubic-bezier(0.32, 0.72, 0, 1);

  /* === Z-INDEX === */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;

  /* === LAYOUT === */
  --header-height: 56px;
  --nav-height: 64px;
  /* Offset sopra/sotto la mappa Aree: copre filter-bar sticky + gap con
     bottom-nav. Usato in calc() di aree.css. Override in venue theme se
     necessario per layout particolari. */
  --map-chrome-offset: 128px;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --content-max-width: 428px;
  --content-padding: var(--space-4);

  /* === COMPONENT TOKENS === */

  /* Cards */
  --card-bg: var(--bg-card);
  --card-border: var(--border-light);
  --card-radius: var(--radius-lg);
  --card-padding: var(--space-4);
  --card-shadow: var(--shadow-card);
  --card-shadow-hover: var(--shadow-card-hover);

  /* Bottom Nav */
  --nav-bg: var(--bg-secondary);
  --nav-border: var(--border-default);
  --nav-item-active: var(--color-primary);
  --nav-item-inactive: var(--text-tertiary);

  /* Buttons */
  --btn-primary-bg: var(--color-primary);
  --btn-primary-text: var(--text-inverse);
  --btn-primary-hover: var(--color-primary-dark);
  --btn-secondary-bg: transparent;
  --btn-secondary-text: var(--color-primary);
  --btn-secondary-border: var(--color-primary);

  /* Inputs */
  --input-bg: var(--bg-secondary);
  --input-border: var(--border-default);
  --input-border-focus: var(--color-primary);
  --input-text: var(--text-primary);
  --input-placeholder: var(--text-muted);
  --input-radius: var(--radius-md);

  /* Modal */
  --modal-bg: var(--bg-secondary);
  --modal-radius: var(--radius-2xl);
  --modal-shadow: var(--shadow-modal);
  --modal-handle-bg: var(--border-default);
}

/* === DARK MODE (future) === */
@media (prefers-color-scheme: dark) {
  :root.theme-auto {
    /* Override tokens for dark mode */
  }
}