/* French Financials - the single site stylesheet.
   Layers keep overrides predictable (see project file, section 7). */

@layer tokens, reset, base, layout, components, pages, utilities;

/* =====================================================================
   TOKENS (from the approved mockups)
   ===================================================================== */
@layer tokens {
  :root {
    --color-primary: #105a45;
    --color-primary-hover: #0c4a39;
    --color-primary-strong: #04523a;
    --color-primary-soft: #daeae5;
    --color-primary-tint: #eef5f2;
    --color-ink: #0f1a2c;
    --color-text: #33415c;
    --color-muted: #5f6a7d;
    --color-surface: #ffffff;
    --color-page: #f8fafa;
    --color-sidebar: #f7fbfb;
    --color-border: #e1e8e5;
    --color-border-strong: #c5d2cd;
    --color-danger: #b42318;
    --color-danger-soft: #fdecea;
    --color-warning: #b54708;
    --color-warning-soft: #fef4e6;
    --color-success: #067647;
    --color-success-soft: #e7f6ee;

    --font-sans: "Avenir Next", Avenir, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;

    /* Type scale (1.25 ratio) */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.25rem;
    --text-xl: 1.5625rem;
    --text-2xl: 1.953rem;
    --text-3xl: 2.441rem;
    --text-display: clamp(2.5rem, 6vw, 4rem);

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-pill: 999px;

    --shadow-card: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 4%);
    --shadow-raised: 0 10px 30px rgb(15 26 44 / 10%);

    --focus-ring: 0 0 0 3px rgb(16 90 69 / 35%);
    --touch-min: 44px;
    --content-max: 1200px;
    --sidebar-width: 240px;
    --transition: 150ms ease;
  }
}

/* =====================================================================
   RESET
   ===================================================================== */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  body { min-height: 100vh; min-height: 100dvh; line-height: 1.5; -webkit-font-smoothing: antialiased; }
  img, picture, svg, canvas { display: block; max-width: 100%; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { cursor: pointer; }
  p, h1, h2, h3, h4 { overflow-wrap: break-word; }
  [hidden] { display: none !important; }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* =====================================================================
   BASE
   ===================================================================== */
@layer base {
  body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-page);
  }
  h1, h2, h3, h4 { color: var(--color-ink); line-height: 1.2; font-weight: 700; }
  h1 { font-size: var(--text-3xl); letter-spacing: -0.01em; }
  h2 { font-size: var(--text-xl); }
  h3 { font-size: var(--text-lg); }
  p { max-width: 70ch; }
  a { color: var(--color-primary-strong); text-underline-offset: 0.15em; }
  a:hover { color: var(--color-primary-hover); }
  :focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
  ::selection { background: var(--color-primary-soft); }
  .money, td.num { font-variant-numeric: tabular-nums; }
}

/* =====================================================================
   LAYOUT
   ===================================================================== */
@layer layout {
  .container { width: min(100% - 2 * var(--space-4), var(--content-max)); margin-inline: auto; }

  /* Centered page used by login, setup, and status pages */
  .auth-layout {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: var(--space-6) var(--space-4) calc(var(--space-6) + env(safe-area-inset-bottom));
    background-color: #dfe9df;
    background-image: url("../assets/splash.jpg");
    background-size: cover;
    background-position: center;
  }
  .auth-layout__panel {
    width: min(100%, 34rem);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-raised);
    padding: var(--space-8) var(--space-6);
  }
  @media (min-width: 640px) {
    .auth-layout__panel { padding: var(--space-10); }
  }

  .stack > * + * { margin-top: var(--stack-gap, var(--space-4)); }
  .cluster { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
  .grid-2 { display: grid; gap: var(--space-4); align-items: start; }
  @media (min-width: 640px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
  }
}

/* =====================================================================
   COMPONENTS
   ===================================================================== */
@layer components {
  /* Brand lockup: logo tile + wordmark */
  .brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
  .brand__logo { width: 56px; height: 56px; border-radius: var(--radius-md); }
  .brand__name {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: var(--text-lg);
    line-height: 1.1;
    color: var(--color-ink);
  }
  .brand__tagline {
    display: block;
    margin-top: var(--space-1);
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    font-size: var(--text-sm);
    color: var(--color-muted);
  }

  .page-title { font-family: var(--font-serif); font-weight: 600; font-size: var(--text-2xl); }
  .lead { color: var(--color-muted); }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: var(--touch-min);
    padding: var(--space-2) var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--transition), border-color var(--transition);
  }
  .btn--primary { background: var(--color-primary); color: #fff; }
  .btn--primary:hover { background: var(--color-primary-hover); color: #fff; }
  .btn--secondary { background: var(--color-primary-tint); color: var(--color-primary-strong); border-color: var(--color-primary-soft); }
  .btn--secondary:hover { background: var(--color-primary-soft); }
  .btn--ghost { background: transparent; color: var(--color-primary-strong); }
  .btn--block { width: 100%; }
  .btn[disabled], .btn[aria-busy="true"] { opacity: 0.6; cursor: not-allowed; }

  /* Form fields */
  .fieldset { border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); }
  @media (min-width: 640px) {
    .fieldset { padding: var(--space-5); }
  }
  .fieldset legend { padding-inline: var(--space-2); font-weight: 700; color: var(--color-ink); }
  .field { display: grid; gap: var(--space-1); align-content: start; }
  .field__label { font-weight: 600; color: var(--color-ink); font-size: var(--text-sm); }
  .field__hint { font-size: var(--text-xs); color: var(--color-muted); }
  .field__input {
    width: 100%;
    min-height: var(--touch-min);
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
  }
  .field__input:hover { border-color: var(--color-muted); }
  .field__input:focus-visible { border-color: var(--color-primary); }
  .field__input[aria-invalid="true"] { border-color: var(--color-danger); }
  .field__error { font-size: var(--text-sm); color: var(--color-danger); }
  .field__error:empty { display: none; }

  .password-wrap { position: relative; }
  .password-wrap .field__input { padding-right: 4.75rem; }
  .password-toggle {
    position: absolute;
    inset-block: 0;
    right: var(--space-1);
    margin-block: auto;
    height: 2.25rem;
    padding-inline: var(--space-3);
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-primary-strong);
    font-size: var(--text-sm);
    font-weight: 600;
  }
  .password-toggle:hover { background: var(--color-primary-tint); }

  /* Messages */
  .alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    border-left: 4px solid currentColor;
    font-size: var(--text-sm);
  }
  .alert--error { background: var(--color-danger-soft); color: var(--color-danger); }
  .alert--success { background: var(--color-success-soft); color: var(--color-success); }
  .alert--info { background: var(--color-primary-tint); color: var(--color-primary-strong); }
  .alert strong { display: block; margin-bottom: var(--space-1); }

  /* Status list (health page) */
  .status-list { list-style: none; padding: 0; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
  .status-list__item {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
  }
  .status-list__item + .status-list__item { border-top: 1px solid var(--color-border); }
  .status-list__value { font-weight: 600; }
  .status-dot {
    display: inline-block;
    width: 0.625rem;
    height: 0.625rem;
    margin-right: var(--space-2);
    border-radius: 50%;
    background: var(--color-border-strong);
    vertical-align: 0.05em;
  }
  .status-dot--ok { background: var(--color-success); }
  .status-dot--problem { background: var(--color-danger); }

  .quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: var(--text-lg);
    color: var(--color-primary-strong);
  }

  .footer-note { max-width: none; font-size: var(--text-xs); color: var(--color-muted); text-align: center; }

  /* Loading indicator */
  .spinner {
    width: 1.1em;
    height: 1.1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
}

/* =====================================================================
   PAGES
   ===================================================================== */
@layer pages {
  .page-setup .auth-layout__panel { width: min(100%, 44rem); }
  .text-center .brand__logo { margin-inline: auto; }
  .text-center .lead { margin-inline: auto; }
  .page-setup .fieldset { --stack-gap: var(--space-4); }
}

/* =====================================================================
   UTILITIES
   ===================================================================== */
@layer utilities {
  .sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0);
    white-space: nowrap; border: 0;
  }
  .text-muted { color: var(--color-muted); }
  .text-center { text-align: center; }
  .mt-2 { margin-top: var(--space-2); }
  .mt-4 { margin-top: var(--space-4); }
  .mt-6 { margin-top: var(--space-6); }
  .mt-8 { margin-top: var(--space-8); }
}