:root {
  --paper: #fbf8f1;
  --ink: #1d1b2f;
  --muted: #6b6878;
  --grid: rgba(45, 108, 223, 0.08);
  --margin: #e4572e;
  --accent: #ffd23f;
  --card: #ffffff;
  --radius: 14px;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --hand: "Caveat", cursive;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--display);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  line-height: 1.5;
}
body::before { /* marge rouge du cahier */
  content: ""; position: fixed; inset: 0 auto 0 clamp(16px, 5vw, 64px);
  width: 2px; background: var(--margin); opacity: .35; pointer-events: none; z-index: 0;
}
a { color: inherit; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .8rem clamp(1rem, 6vw, 5rem);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--ink);
}
.logo { display: flex; align-items: center; gap: .6rem; font-weight: 800; text-decoration: none; }
.logo-badge {
  background: var(--ink); color: var(--accent); padding: .15rem .55rem; border-radius: 8px;
  transform: rotate(-4deg); display: inline-block;
}
nav { display: flex; gap: .25rem; flex-wrap: wrap; }
nav a {
  text-decoration: none; font-weight: 600; font-size: .95rem; padding: .35rem .7rem; border-radius: 99px;
  transition: background .2s, transform .2s;
}
nav a:hover { background: var(--accent); transform: translateY(-1px); }

main { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 0 clamp(1.5rem, 7vw, 5rem); }

/* Hero */
.hero {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center;
  padding: clamp(3rem, 8vw, 6rem) 0 3rem;
}
.scribble { font-family: var(--hand); font-size: 2rem; color: var(--margin); margin: 0; transform: rotate(-2deg); display: inline-block; }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); line-height: 1.02; margin: .4rem 0 1rem; letter-spacing: -.03em; font-weight: 800; }
h1 mark { background: linear-gradient(transparent 55%, var(--accent) 55%); color: inherit; padding: 0 .1em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34ch; }
.today-card {
  background: var(--ink); color: var(--paper); border-radius: var(--radius); padding: 1.6rem;
  box-shadow: 8px 8px 0 var(--accent); transform: rotate(1.5deg);
  animation: pop .7s cubic-bezier(.2, 1.4, .4, 1) both .2s;
}
.today-date { font-family: var(--hand); font-size: 1.8rem; margin: 0 0 .8rem; color: var(--accent); text-transform: capitalize; }
.today-label { text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; opacity: .6; margin: 1rem 0 .3rem; }
.today-next { margin: 0; font-weight: 600; font-size: 1.05rem; }
.today-next em { font-style: normal; color: var(--accent); }
.dot { display: inline-block; width: .7em; height: .7em; border-radius: 50%; background: var(--c); margin-right: .45em; }
.today-courses { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.today-courses li { border: 1.5px solid var(--c); color: var(--paper); padding: .15rem .6rem; border-radius: 99px; font-size: .85rem; background: color-mix(in srgb, var(--c) 25%, transparent); }
.today-courses li.none { border-color: var(--accent); }

/* Blocks */
.block { padding: 3rem 0; animation: rise .6s ease both; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 1.4rem; letter-spacing: -.02em; display: flex; align-items: baseline; gap: .6rem; }
.num { font-family: var(--hand); color: var(--margin); font-size: 1.4em; font-weight: 700; }
.block-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.block-head h2 { margin-bottom: .6rem; }
.hint { color: var(--muted); font-family: var(--hand); font-size: 1.3rem; margin: 0 0 1rem; }
.empty { color: var(--muted); font-style: italic; }

/* Annonces */
.announcements { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.4rem; }
.note {
  position: relative; background: #fff7c2; padding: 1.4rem 1.3rem 1.2rem; border-radius: 4px;
  transform: rotate(var(--r)); box-shadow: 0 10px 20px -12px rgba(0,0,0,.35);
  transition: transform .25s;
}
.note:hover { transform: rotate(0) translateY(-4px); }
.note.important { background: #ffe0d6; }
.note time { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.note h3 { margin: .2rem 0 .4rem; font-size: 1.2rem; }
.note p { margin: 0; }
.pin { position: absolute; top: -12px; right: 12px; background: var(--margin); color: #fff; font-size: .75rem; font-weight: 800; padding: .2rem .6rem; border-radius: 99px; transform: rotate(3deg); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .6rem; }
.filters button {
  font: inherit; font-size: .85rem; font-weight: 600; cursor: pointer;
  border: 2px solid var(--c, var(--ink)); background: var(--card); color: var(--ink);
  padding: .3rem .8rem; border-radius: 99px; transition: transform .15s, background .15s;
}
.filters button:hover { transform: translateY(-2px); }
.filters button.active { background: var(--c, var(--ink)); color: #fff; }

/* Tasks */
.tasks { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.task label {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; cursor: pointer;
  background: var(--card); border: 2px solid var(--ink); border-left: 10px solid var(--c);
  border-radius: var(--radius); padding: 1rem 1.2rem; transition: transform .15s, box-shadow .15s;
}
.task label:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.task input { position: absolute; opacity: 0; pointer-events: none; }
.box { width: 26px; height: 26px; border: 2.5px solid var(--ink); border-radius: 7px; display: grid; place-items: center; transition: background .15s; }
.task input:checked + .box { background: var(--c); border-color: var(--c); }
.task input:checked + .box::after { content: "✓"; color: #fff; font-weight: 800; }
.task input:focus-visible + .box { outline: 3px solid var(--accent); outline-offset: 2px; }
.task-main { display: grid; gap: .1rem; }
.task-meta { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.task-meta b { color: var(--c); }
.task-title { font-weight: 700; font-size: 1.1rem; }
.task-details { color: var(--muted); font-size: .95rem; }
.task-due { text-align: right; display: grid; font-weight: 700; white-space: nowrap; }
.task-due small { font-weight: 400; color: var(--muted); }
.task.soon .task-due small { color: var(--margin); font-weight: 700; }
.task.done .task-title { text-decoration: line-through; text-decoration-thickness: 2px; }
.task.done label, .task.past label { opacity: .5; }

/* Timetable */
.timetable-wrap { overflow-x: auto; border: 2px solid var(--ink); border-radius: var(--radius); background: var(--card); }
.timetable { width: 100%; border-collapse: collapse; min-width: 640px; }
.timetable th, .timetable td { padding: .35rem; text-align: center; border-bottom: 1px dashed #d8d4e0; }
.timetable thead th { font-size: .9rem; padding: .8rem .4rem; border-bottom: 2px solid var(--ink); }
.timetable .is-today { background: color-mix(in srgb, var(--accent) 22%, transparent); }
.timetable thead .is-today { background: var(--accent); }
.cell {
  display: block; padding: .45rem .3rem; border-radius: 8px; font-size: .82rem; font-weight: 600;
  background: color-mix(in srgb, var(--c) 16%, white); border-left: 4px solid var(--c);
}
.free { background-image: repeating-linear-gradient(135deg, transparent 0 6px, rgba(0,0,0,.035) 6px 12px); }

/* Agenda */
.agenda { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.agenda li {
  display: grid; grid-template-columns: 3.4rem 3.6rem 1fr auto; align-items: center; gap: .6rem;
  padding: .8rem 1rem; border-bottom: 2px dashed #cfcadb;
}
.ag-day { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.ag-month { text-transform: uppercase; font-size: .8rem; letter-spacing: .1em; color: var(--margin); font-weight: 700; }
.ag-title { font-weight: 600; font-size: 1.1rem; display: grid; }
.ag-title small { color: var(--muted); font-weight: 400; font-size: .85rem; }
.ag-count { font-family: var(--hand); font-size: 1.4rem; color: var(--muted); }

/* Infos */
.teachers { list-style: none; padding: 0; margin: 0; max-width: 36rem; }
.teachers li { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px dashed #cfcadb; }
.teachers li span { display: flex; align-items: center; gap: .5rem; color: var(--muted); }
.teachers li span::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.class-meta { font-family: var(--hand); font-size: 1.4rem; margin-top: 1.2rem; }

.foot { text-align: center; padding: 3rem 1rem; color: var(--muted); font-size: .9rem; position: relative; z-index: 1; }

@keyframes pop { from { opacity: 0; transform: rotate(8deg) scale(.9); } to { opacity: 1; transform: rotate(1.5deg) scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before { animation: none !important; transition: none !important; } }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; }
  .today-card { transform: none; }
  .task label { grid-template-columns: auto 1fr; }
  .task-due { grid-column: 2; text-align: left; display: flex; gap: .5rem; }
  .agenda li { grid-template-columns: 2.8rem 1fr; }
  .ag-month { grid-row: 2; }
  .ag-title { grid-column: 2; grid-row: 1 / span 2; }
  .ag-count { grid-column: 2; }
  nav a { padding: .3rem .5rem; font-size: .85rem; }
}