/* ============================================================
   Calendrier v2 - reskin (design maquette calendrier-v1).
   App standalone : tokens + tout le style sur cette page.
   ============================================================ */
:root {
  --paper: #f5f4f0;
  --paper-warm: #f0eee8;
  --paper-band: #ebe9e2;
  --ink: #0a0a0a;
  --ink-2: #3a3a3a;
  --ink-3: #5a5a5a;
  --ink-4: #8a8a8a;
  --line: #d8d6d0;
  --line-soft: #e5e3dd;

  --free: #5a8c4a;
  --free-d: #426936;
  --busy: #a33a3a;
  --busy-bg: #faeaea;
  --pending: #c89538;

  --paper-pure: #ffffff;
  --line-2: #c4c1b9;
  --ink-2b: #1f1f1f;
  --display: "Anton", "Impact", sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* HEADER (identique au site) */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  mix-blend-mode: difference; pointer-events: none;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.header > * { pointer-events: auto; }
.header.scrolled {
  mix-blend-mode: normal; background: rgba(245, 244, 240, 0.95);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom-color: var(--line); padding-top: 1rem; padding-bottom: 1rem;
}
.header.scrolled .brand { color: var(--ink); }
.header.scrolled .brand-logo { filter: none; }
.header.scrolled .nav a { color: var(--ink-2b); }
.header.scrolled .nav a:hover, .header.scrolled .nav a.active { color: var(--ink); }
.brand {
  font-family: var(--sans); font-weight: 600; font-size: 0.82rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: #fff;
  text-decoration: none; cursor: pointer; display: flex; align-items: center; gap: 0.7rem;
}
.brand-logo { width: 28px; height: 28px; display: block; flex-shrink: 0; filter: invert(1); }
.nav { display: flex; gap: 2rem; align-items: center; }
.nav a {
  color: #fff; text-decoration: none; font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; transition: opacity 0.25s; opacity: 0.85;
}
.nav a:hover, .nav a.active { opacity: 1; }
.nav-num { font-size: 0.72rem; letter-spacing: 0.04em; margin-right: 0.5rem; opacity: 0.5; font-variant-numeric: tabular-nums; }
.nav a.has-sub { display: inline-flex; align-items: center; gap: 0.4rem; }
.nav-caret { font-size: 0.62rem; opacity: 0.65; transition: transform 0.2s var(--ease); }
.nav a.has-sub[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }
.statut-flyout {
  position: fixed; top: 64px; left: 0; min-width: 240px; background: var(--paper-pure);
  border: 1px solid var(--line-2); box-shadow: 0 18px 44px -22px rgba(10, 10, 10, 0.35);
  display: flex; flex-direction: column; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  pointer-events: none; z-index: 99;
}
.statut-flyout.open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.statut-flyout a {
  display: block; padding: 0.85rem 1.1rem; font-family: var(--sans); font-size: 0.74rem;
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2);
  text-decoration: none; border-bottom: 1px solid var(--line); transition: background 0.15s, color 0.15s, padding-left 0.15s;
}
.statut-flyout a:last-child { border-bottom: none; }
.statut-flyout a:hover, .statut-flyout a:focus-visible { background: var(--paper-warm); color: var(--ink); padding-left: 1.35rem; }

/* HERO / INTRO */
.hero { padding: 6rem var(--gutter) 3rem; border-bottom: 1px solid var(--ink); display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: end; }
.hero-left { max-width: 880px; }
.hero-title { font-family: var(--display); font-size: clamp(3rem, 9vw, 8rem); font-weight: 400; line-height: 0.85; letter-spacing: -0.015em; text-transform: uppercase; margin-bottom: 1.5rem; }
.intro { padding: 2.5rem var(--gutter); max-width: 70ch; }
.intro p { font-size: 1rem; font-weight: 300; line-height: 1.7; color: var(--ink-2); }
.intro p + p { margin-top: 1rem; }
.intro strong { font-weight: 600; color: var(--ink); }
.intro-soon { margin-top: 1.25rem !important; padding: 1rem 1.25rem; background: var(--paper-warm); border-left: 3px solid var(--ink); font-size: 0.92rem; }

/* WEEK NAV */
.weeknav { padding: 2rem var(--gutter); display: flex; align-items: center; justify-content: center; gap: 1.5rem; border-bottom: 1px solid var(--line); position: sticky; top: 64px; background: var(--paper); z-index: 50; flex-wrap: wrap; }
.weeknav-btn { background: transparent; border: 1px solid var(--ink); width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-size: 1.5rem; color: var(--ink); transition: background 0.2s, color 0.2s; }
.weeknav-btn:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.weeknav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.weeknav-today { width: auto; padding: 0 1.25rem; font-family: var(--sans); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; }
.weeknav-title { font-family: var(--display); font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; text-align: center; min-width: 16ch; }

/* JOURS */
.days { padding: 3.5rem var(--gutter) 4rem; display: flex; flex-direction: column; gap: 3rem; transition: opacity 0.2s; }
.day { display: grid; grid-template-columns: 200px 1fr; gap: 2.5rem; align-items: start; }
.day-head { display: flex; flex-direction: column; gap: 0.4rem; padding-top: 0.35rem; }
.day-date { font-family: var(--display); font-size: 2rem; font-weight: 400; letter-spacing: 0.02em; text-transform: uppercase; line-height: 1; color: var(--ink); }
.day-name { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-3); }
.day-count { font-size: 0.78rem; color: var(--ink-4); margin-top: 0.5rem; }
.day-count strong { color: var(--free); font-weight: 600; }
.day.today .day-head::before { content: "Aujourd'hui"; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; color: var(--paper); background: var(--ink); padding: 0.3rem 0.6rem; width: fit-content; margin-bottom: 0.25rem; }
.day.past { opacity: 0.5; }

.day-slots { display: flex; flex-wrap: wrap; gap: 0.5rem 0.45rem; }
.slot { font-size: 0.85rem; font-weight: 500; letter-spacing: 0.04em; padding: 0.55rem 0.95rem; border: 1px solid; background: var(--paper); transition: background 0.18s, color 0.18s, transform 0.18s, border-color 0.18s; white-space: nowrap; min-width: 78px; text-align: center; }
.slot-free { color: var(--free-d); border-color: var(--free); background: rgba(90,140,74,0.07); }
.slot-free:hover { background: var(--free); color: var(--paper); border-color: var(--free); transform: translateY(-1px); }
.slot-busy { color: var(--busy); border-color: var(--busy); background: var(--busy-bg); text-decoration: line-through; cursor: not-allowed; opacity: 0.7; }
.slot-pending { color: var(--paper); background: var(--pending); border-color: var(--pending); cursor: not-allowed; }
.day-closed { font-family: var(--display); font-size: 1.2rem; font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-4); padding: 1rem 1.25rem; border: 1px dashed var(--line); display: inline-block; }

/* LÉGENDE */
.legend { padding: 2.5rem var(--gutter); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2.5rem 3rem; }
.legend-item { display: flex; align-items: center; gap: 0.75rem; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3); }
.dot { width: 14px; height: 14px; border: 1px solid currentColor; }
.dot-free { background: var(--free); border-color: var(--free); }
.dot-busy { background: var(--busy-bg); border-color: var(--busy); }
.dot-pending { background: var(--pending); border-color: var(--pending); }

/* FOOTER (identique au site) */
.footer {
  padding: 3rem var(--gutter) 2rem; border-top: 1px solid var(--ink);
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  font-family: var(--sans); font-size: 0.78rem; color: var(--ink-3);
}
.footer .f-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer .f-links a { color: var(--ink-3); text-decoration: none; transition: color 0.2s; }
.footer .f-links a:hover { color: var(--ink); }
.footer .f-copy { font-size: 0.72rem; letter-spacing: 0.04em; }
.err { padding: 2rem; text-align: center; color: var(--busy); }

/* MODAL */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10,10,10,0.7); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.modal-panel { position: relative; background: var(--paper); max-width: 580px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 2.5rem; border: 1px solid var(--ink); }
.modal-close { position: absolute; top: 1rem; right: 1.25rem; background: transparent; border: none; font-family: var(--display); font-size: 1.5rem; color: var(--ink); width: 32px; height: 32px; }
.modal-step[hidden] { display: none; }
.modal-title { font-family: var(--display); font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 400; letter-spacing: 0.01em; text-transform: uppercase; margin-bottom: 0.5rem; line-height: 1; }
.modal-slot { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 2rem; }
.modal-help { font-size: 0.92rem; color: var(--ink-2); margin-bottom: 1.5rem; }
.duration-grid { display: flex; flex-direction: column; gap: 0.65rem; margin-bottom: 1rem; }
.duration-btn { background: var(--paper); border: 1px solid var(--line); padding: 1.1rem 1.5rem; display: flex; align-items: baseline; gap: 0.5rem; font-family: var(--display); font-size: 1.5rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink); transition: background 0.2s, color 0.2s, border-color 0.2s; text-align: left; }
.duration-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.duration-unit { font-family: var(--sans); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.6; }
.modal-note { font-size: 0.8rem; color: var(--ink-4); }

.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field label { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-3); }
.field .req { color: var(--busy); }
.field input, .field textarea { font-family: var(--sans); font-size: 0.95rem; color: var(--ink); background: var(--paper); border: none; border-bottom: 1px solid var(--line); padding: 0.7rem 0; transition: border-color 0.2s; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.field textarea { resize: vertical; min-height: 100px; }
.field-counter { font-size: 0.7rem; color: var(--ink-4); text-align: right; letter-spacing: 0.1em; }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.field-rgpd { margin: 1.25rem 0; padding: 1rem 1.15rem; background: var(--paper-warm); border-left: 3px solid var(--ink-4); font-size: 0.78rem; line-height: 1.55; color: var(--ink-3); }
.form-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.btn { font-family: var(--sans); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; padding: 0.9rem 1.6rem; border: 1px solid var(--ink); transition: opacity 0.2s, background 0.2s; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { opacity: 0.85; }
.btn-secondary { background: transparent; color: var(--ink-3); border: none; padding: 0.9rem 0; }
.btn-secondary:hover { color: var(--ink); }
.form-error { color: var(--busy); font-size: 0.85rem; margin-top: 1rem; }
.form-error[hidden] { display: none; }
.success-icon { font-family: var(--display); font-size: 4rem; color: var(--free); text-align: center; line-height: 1; margin-bottom: 1rem; }
.success-message { font-size: 0.95rem; color: var(--ink-2); text-align: center; margin: 1rem auto 2rem; max-width: 42ch; }

@media (max-width: 720px) {
  .nav { display: none; }
  .footer { flex-direction: column; align-items: flex-start; }
  .hero { grid-template-columns: 1fr; }
  .day { grid-template-columns: 1fr; gap: 1.25rem; }
  .day-head { padding-top: 0; }
  .field-row { grid-template-columns: 1fr; }
}