/* ============================================================
   Site personnel de Matteo — système visuel partagé
   Vibe : carnet de bord, papier sépia, encre, terracotta, olivier
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300..700;1,6..72,300..700&family=Geist:wght@300..700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Light (sun-bleached paper) */
  --paper:        #f3ead8;
  --paper-2:      #ece1c8;
  --card:         #fbf6e9;
  --card-edge:    #e3d7b9;
  --ink:          #2a2316;
  --ink-2:        #4d4330;
  --ink-3:        #7a6e54;
  --line:         #c8b990;
  --line-soft:    #ddd0a8;

  --olive:        #5d6b3a;
  --olive-deep:   #41502a;
  --terracotta:   #b8543a;
  --terracotta-d: #913f29;
  --ochre:        #c8943a;
  --sage:         #8a9a6b;
  --indigo:       #3a4a6b;     /* nautical hint */
  --plum:         #7a3a55;

  --bg-warn:      #f7e7c9;
  --bg-good:      #e2e6cb;
  --bg-danger:    #f1d6c9;

  --shadow-paper: 0 1px 0 rgba(42,35,22,.04), 0 12px 28px -18px rgba(42,35,22,.30);
  --shadow-lift:  0 1px 0 rgba(42,35,22,.04), 0 22px 44px -22px rgba(42,35,22,.45);

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --r-xl: 22px;

  --font-display: 'Newsreader', 'Times New Roman', serif;
  --font-body:    'Geist', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="dark"] {
  --paper:        #1c1812;
  --paper-2:      #14110b;
  --card:         #25201a;
  --card-edge:    #3a3326;
  --ink:          #f1e6cd;
  --ink-2:        #d6c9aa;
  --ink-3:        #9a8e6e;
  --line:         #4a4232;
  --line-soft:    #342e23;

  --olive:        #a3b375;
  --olive-deep:   #c8d49b;
  --terracotta:   #e08664;
  --terracotta-d: #c46d4d;
  --ochre:        #e0b35a;
  --sage:         #b6c597;
  --indigo:       #8aa0c8;
  --plum:         #c08aa0;

  --bg-warn:      #3a2f1a;
  --bg-good:      #2a3520;
  --bg-danger:    #3a2018;

  --shadow-paper: 0 1px 0 rgba(0,0,0,.4), 0 22px 44px -22px rgba(0,0,0,.7);
  --shadow-lift:  0 1px 0 rgba(0,0,0,.4), 0 28px 56px -22px rgba(0,0,0,.9);
}

/* paper texture — generated, no asset */
html {
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(184, 84, 58, 0.07), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(93, 107, 58, 0.08), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.16   0 0 0 0 0.13  0 0 0 0 0.08   0 0 0 0.045 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-attachment: fixed;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
  min-height: 100vh;
}

* { box-sizing: border-box; }

a {
  color: var(--terracotta);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  text-underline-offset: 3px;
  transition: opacity .15s;
}
a:hover { opacity: .7; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: var(--ink);
}

::selection { background: var(--ochre); color: var(--ink); }

/* ============================================================
   Shared chrome
   ============================================================ */

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 32px 80px;
}

/* top bar — date / nav back / theme toggle */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.topbar .grow { flex: 1; }
.topbar a { color: var(--ink-3); border: 0; display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--ink); }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.theme-toggle:hover { background: var(--card); }

/* page heading block */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--terracotta);
  margin-bottom: 10px;
}
.page-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 350;
}
.page-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--olive-deep);
}
.page-lede {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 60ch;
  margin-top: 14px;
  font-weight: 300;
}

/* generic card */
.card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow-paper);
}

/* button styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  transition: all .15s;
}
.btn:hover { border-color: var(--ink-3); }
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--ink-2); border-color: var(--ink-2); opacity: 1; }
.btn-ghost { background: transparent; }
.btn-danger {
  background: transparent;
  color: var(--terracotta);
  border-color: var(--terracotta);
}

input.field, textarea.field, select.field {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 9px 12px;
  outline: none;
  width: 100%;
}
input.field:focus, textarea.field:focus, select.field:focus {
  border-color: var(--olive);
  background: var(--card);
}

/* tag / badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-2);
  border: 1px solid var(--line-soft);
}
.badge-olive { background: var(--bg-good); color: var(--olive-deep); border-color: transparent; }
.badge-terra { background: var(--bg-danger); color: var(--terracotta-d); border-color: transparent; }
.badge-ochre { background: var(--bg-warn); color: #8a6722; border-color: transparent; }

/* checkbox styles (used everywhere) */
.cb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--ink-3);
  border-radius: 4px;
  background: transparent;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .12s;
}
.cb:checked {
  background: var(--olive);
  border-color: var(--olive);
}
.cb:checked::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg) translate(1px,-1px);
}

/* hairline divider with double-rule */
.hairline {
  border: 0;
  height: 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  margin: 32px 0;
}

/* ============================================================
   Reusable: ornaments (compass / star / leaf glyphs)
   pure inline SVG; tiny
   ============================================================ */

.glyph {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.12em;
  fill: currentColor;
}

/* utilities */
.row { display: flex; align-items: center; gap: 12px; }
.col { display: flex; flex-direction: column; gap: 12px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--ink-3); }
.italic { font-style: italic; font-family: var(--font-display); font-weight: 300; }
.tnum { font-variant-numeric: tabular-nums; }
.center { text-align: center; }

/* page transition (in) */
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
main, .page { animation: fadeUp .45s cubic-bezier(.2,.7,.3,1) both; }

/* nav back arrow */
.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-3);
  border: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.back:hover { color: var(--ink); }
.back .arrow {
  display: inline-block;
  transition: transform .2s;
}
.back:hover .arrow { transform: translateX(-3px); }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }