/* Steadro CSS Variables -- Copper Palette with Dark/Light Mode
   Dark mode is the default (:root). Light mode via [data-theme="light"]. */

:root {
  /* -- Typography -- */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;

  /* -- Layout -- */
  --page-width: 90rem;
  --page-margin: 20px;

  /* -- Spacing -- */
  --section-padding-y: 40px;
  --section-padding-x: 40px;
  --card-padding-y: 32px;
  --card-padding-x: 24px;
  --card-radius: 10px;
  --btn-radius: 6px;
  --nav-height: 68px;
  --radius-md: 6px;

  /* -- Bento tokens -- */
  --bento-gap: 16px;
  --bento-radius: 16px;
  --bento-max-width: 1120px;

  /* ======================================
     DARK MODE (default)
     ====================================== */
  --color-bg: #0A0A0A;
  --color-surface: #141820;
  --color-surface-dark: #1A2030;
  --color-surface-alt: #1A2030;
  --color-border: #252830;
  --color-text: #C8CCD4;
  --color-text-muted: #5A6070;
  --color-accent: #C9884A;
  --color-accent-hover: #D89A5C;
  --color-accent-soft: rgba(201, 136, 74, 0.1);
  --color-accent-line: #3A3E48;
  --color-muted: #5A6070;
  --color-tagline: #5A6070;
  --color-dash-end: #4A5060;

  /* Text on always-dark cards */
  --color-text-on-dark: #C8CCD4;
  --color-text-muted-on-dark: #7A8090;

  /* Nav */
  --nav-bg: #111318;
  --nav-bg-alpha: rgba(17, 19, 24, 0.92);
  --nav-bg-scrolled: rgba(17, 19, 24, 0.98);
  --nav-border: rgba(37, 40, 48, 0.4);
  --nav-border-scrolled: rgba(37, 40, 48, 0.6);
  --nav-text: #C8CCD4;
  --nav-muted: #4A5060;

  /* Comparison */
  --color-good: #4A9A5E;
  --color-bad: #B85040;

  /* RGB triplets for rgba() usage */
  --color-text-rgb: 200, 204, 212;
  --color-accent-rgb: 201, 136, 74;

  /* Buttons */
  --btn-bg: var(--color-accent);
  --btn-border: var(--color-accent);
  --btn-text: #FFFFFF;
  --btn-hover-bg: var(--color-accent-hover);
  --btn-hover-border: var(--color-accent-hover);

  /* Dark sections (always-dark cards, hero footer bands) */
  --section-dark-bg: #1A2030;
  --section-dark-text: #C8CCD4;
  --section-dark-muted: #5A6070;

  /* Accent band */
  --band-bg: #1A2030;
  --band-text: #C8CCD4;
  --band-muted: #5A6070;

  /* Links */
  --color-link: var(--color-accent);
  --color-link-hover: var(--color-accent-hover);

  /* -- Bridge aliases (backward compat for existing sections) -- */
  --color-page-body: var(--color-bg);
  --color-card-bg: var(--color-surface);
  --color-heading: var(--color-text);
  --color-chip-bg: rgba(201, 136, 74, 0.12);
  --color-chip-text: var(--color-accent);
  --color-accent-btn: var(--color-accent);
  --color-accent-btn-hover: var(--color-accent-hover);
  --color-accent-subtle: var(--color-accent-soft);
  --color-section-alt: #111318;

  /* Dark section bridge aliases */
  --color-slate: var(--section-dark-bg);
  --color-slate-border: var(--color-border);
  --color-slate-accent: var(--color-accent);
  --color-slate-muted: var(--section-dark-muted);
  --color-slate-body: var(--section-dark-text);
  --color-slate-text: var(--section-dark-text);
  --color-navy-surface: var(--section-dark-bg);

  /* Skeleton grid compat */
  --color-background: var(--color-bg);
  --color-foreground: var(--color-text);
  --style-border-radius-inputs: 6px;

  /* -- Theme transition -- */
  --theme-transition-duration: 0.3s;
}

/* ======================================
   LIGHT MODE
   ====================================== */
[data-theme="light"] {
  --color-bg: #F5F4F0;
  --color-surface: #FFFFFF;
  --color-surface-dark: #0C1425;
  --color-surface-alt: #ECEAE4;
  --color-border: #E2E0DA;
  --color-text: #1A1D21;
  --color-text-muted: #5A6070;
  --color-accent: #B87333;
  --color-accent-hover: #A06328;
  --color-accent-soft: rgba(184, 115, 51, 0.08);
  --color-accent-line: #C8C0B4;
  --color-muted: #5A6070;
  --color-tagline: #5A6070;
  --color-dash-end: #C8C0B4;

  /* Text on always-dark cards */
  --color-text-on-dark: #C8CCD4;
  --color-text-muted-on-dark: #7A8090;

  /* Nav -- stays dark in light mode */
  --nav-bg: #0C1425;
  --nav-bg-alpha: rgba(12, 20, 37, 0.92);
  --nav-bg-scrolled: rgba(12, 20, 37, 0.98);
  --nav-border: rgba(37, 40, 48, 0.4);
  --nav-border-scrolled: rgba(37, 40, 48, 0.6);
  --nav-text: #C8CCD4;
  --nav-muted: #5A6070;

  /* Comparison */
  --color-good: #3D7A4E;
  --color-bad: #A3432F;

  /* RGB triplets */
  --color-text-rgb: 26, 29, 33;
  --color-accent-rgb: 184, 115, 51;

  /* Buttons */
  --btn-bg: var(--color-accent);
  --btn-border: var(--color-accent);
  --btn-text: #FFFFFF;
  --btn-hover-bg: var(--color-accent-hover);
  --btn-hover-border: var(--color-accent-hover);

  /* Dark sections persist in light mode */
  --section-dark-bg: #0C1425;
  --section-dark-text: #C8CCD4;
  --section-dark-muted: #7A8090;

  /* Accent band */
  --band-bg: #0C1425;
  --band-text: #C8CCD4;
  --band-muted: #7A8090;

  /* Links */
  --color-link: var(--color-accent);
  --color-link-hover: var(--color-accent-hover);

  /* -- Bridge aliases -- */
  --color-page-body: var(--color-bg);
  --color-card-bg: var(--color-surface);
  --color-heading: var(--color-text);
  --color-chip-bg: rgba(184, 115, 51, 0.1);
  --color-chip-text: var(--color-accent);
  --color-accent-btn: var(--color-accent);
  --color-accent-btn-hover: var(--color-accent-hover);
  --color-accent-subtle: var(--color-accent-soft);
  --color-section-alt: #ECEAE4;

  /* Dark section bridge aliases */
  --color-slate: var(--section-dark-bg);
  --color-slate-border: rgba(37, 40, 48, 0.4);
  --color-slate-accent: var(--color-accent);
  --color-slate-muted: var(--section-dark-muted);
  --color-slate-body: var(--section-dark-text);
  --color-slate-text: var(--section-dark-text);
  --color-navy-surface: var(--section-dark-bg);

  /* Skeleton grid compat */
  --color-background: var(--color-bg);
  --color-foreground: var(--color-text);
}

/* -- Smooth transition on theme change -- */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition-duration: var(--theme-transition-duration) !important;
  transition-property: background-color, color, border-color, box-shadow, fill, stroke !important;
}

/* -- Theme Toggle Button -- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--nav-border);
  border-radius: var(--radius-md, 6px);
  color: var(--nav-text);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  padding: 0;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--nav-text);
  background: rgba(255, 255, 255, 0.1);
}

.theme-toggle__icon {
  display: none;
}

[data-theme-setting="light"] .theme-toggle__icon--light,
[data-theme-setting="dark"] .theme-toggle__icon--dark,
[data-theme-setting="system"] .theme-toggle__icon--system {
  display: block;
}