*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1A1E16;
  --bg2: #212618;
  --bg3: #272D1D;
  --surface: #2A3020;
  --border: #3A4428;
  --text: #E8E2CC;
  --text2: #8A9478;
  --text3: #5A6448;
  --green: #7ABF5A;
  --green2: #9AD478;
  --orange: #E07828;
  --orange2: #F09848;
  --amber: #D4A840;
  --red: #C86050;
  --chalk: #EDE8D4;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.5);
}

body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; font-size: 15px; line-height: 1.6; }

.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }
.hidden { display: none !important; }

/* ── SETUP ── */
#setup-screen { align-items: center; justify-content: center; padding: 2rem; background: var(--bg); }
.chalk-board { background: var(--bg2); border: 1.5px solid var(--border); border-radius: 18px; padding: 3.5rem 3rem; text-align: center; max-width: 380px; width: 100%; box-shadow: var(--shadow); }
.chalk-deco { color: var(--green); font-size: 2rem; margin-bottom: 1rem; }
.chalk-title { font-size: 2.2rem; font-weight: 800; color: var(--chalk); line-height: 1.1; margin-bottom: 0.5rem; }
.chalk-sub { color: var(--text2); font-size: 0.88rem; margin-bottom: 2rem; }
.chalk-divider { width: 40px; height: 1px; background: var(--border); margin: 0 auto 2rem; }
.chalk-btn { display: inline-block; background: var(--green); color: #141810; border: none; border-radius: var(--radius-sm); padding: 0.875rem 2rem; font-size: 0.95rem; font-weight: 700; cursor: pointer; transition: background 0.15s, transform 0.1s; width: 100%; font-family: 'Inter', sans-serif; }
.chalk-btn:hover { background: var(--green2); transform: translateY(-1px); }

/* ── CHAT ── */
#chat-screen { background: var(--bg); }
.chat-header { display: flex; align-items: center; gap: 0.75rem; padding: 1rem 1.25rem; background: var(--bg2); border-bottom: 1px solid var(--border); }
.chat-logo { font-size: 1.4rem; }
.chat-title { font-weight: 700; font-size: 1.05rem; color: var(--chalk); }
.chat-messages { flex: 1; padding: 1.5rem 1rem; overflow-y: auto; display: flex; flex-direction: column; gap: 0.875rem; max-width: 640px; margin: 0 auto; width: 100%; }
.msg { max-width: 78%; padding: 0.75rem 1rem; border-radius: 14px; font-size: 0.92rem; line-height: 1.55; animation: fadeUp 0.2s ease; }
.msg.bot { background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 3px; align-self: flex-start; white-space: pre-line; }
.msg.user { background: var(--orange); color: #141810; font-weight: 500; border-bottom-right-radius: 3px; align-self: flex-end; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.chat-input-wrap { display: flex; gap: 0.5rem; padding: 1rem; background: var(--bg2); border-top: 1px solid var(--border); max-width: 640px; margin: 0 auto; width: 100%; }
#chat-input { flex: 1; background: var(--bg3); border: 1px solid var(--border); border-radius: 24px; padding: 0.75rem 1.125rem; font-size: 0.92rem; color: var(--text); outline: none; font-family: 'Inter', sans-serif; transition: border-color 0.15s; }
#chat-input::placeholder { color: var(--text3); }
#chat-input:focus { border-color: var(--green); }
.send-btn { width: 42px; height: 42px; border-radius: 50%; background: var(--orange); color: #141810; border: none; font-size: 1rem; font-weight: 700; cursor: pointer; flex-shrink: 0; transition: background 0.15s; }
.send-btn:hover { background: var(--orange2); }

/* ── HEADER ── */
#planning-screen { background: var(--bg); }
.app-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; background: var(--bg2); border-bottom: 1px solid var(--border); gap: 1rem; }
.header-left { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.header-title { font-weight: 800; font-size: 1.1rem; color: var(--chalk); }
.header-week { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--text2); }
.header-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }
.ghost-btn { background: transparent; color: var(--green); border: 1px solid var(--green); border-radius: var(--radius-sm); padding: 0.45rem 0.875rem; font-size: 0.78rem; font-weight: 600; cursor: pointer; transition: background 0.15s; font-family: 'Inter', sans-serif; white-space: nowrap; }
.ghost-btn:hover { background: rgba(122,191,90,0.12); }
.ghost-btn.danger { color: var(--red); border-color: var(--red); }
.ghost-btn.danger:hover { background: rgba(200,96,80,0.12); }

/* ── TABS ── */
.tabs { display: flex; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 0 1.5rem; }
.tab { padding: 0.75rem 1.125rem; border: none; background: none; font-size: 0.85rem; font-weight: 500; color: var(--text2); cursor: pointer; border-bottom: 2px solid transparent; transition: color 0.15s, border-color 0.15s; margin-bottom: -1px; font-family: 'Inter', sans-serif; }
.tab.active { color: var(--orange); border-bottom-color: var(--orange); }

.app-main { flex: 1; overflow-y: auto; }
.tab-content { display: none; padding: 1.5rem; max-width: 820px; margin: 0 auto; }
.tab-content.active { display: block; }

/* ── DAYS GRID ── */
.days-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0.875rem; }
.day-card { background: var(--surface); border-radius: var(--radius); padding: 1.125rem; border: 1px solid var(--border); cursor: pointer; transition: border-color 0.15s, transform 0.15s; position: relative; overflow: hidden; }
.day-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--green); opacity: 0; transition: opacity 0.15s; }
.day-card:hover { border-color: var(--green); transform: translateY(-2px); }
.day-card:hover::before { opacity: 1; }
.day-card.flemme::before { opacity: 1; background: var(--amber); }
.day-card.flemme { border-color: #4A3A18; }
.day-label { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text3); margin-bottom: 0.5rem; }
.day-meal { font-weight: 700; font-size: 0.95rem; color: var(--chalk); line-height: 1.3; margin-bottom: 0.75rem; padding-right: 1.5rem; }
.day-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.625rem; }
.badge { font-size: 0.68rem; font-weight: 600; padding: 0.15rem 0.5rem; border-radius: 20px; font-family: 'JetBrains Mono', monospace; }
.badge-time { background: rgba(255,255,255,0.05); color: var(--text2); }
.badge-flemme { background: rgba(212,168,64,0.15); color: var(--amber); }
.day-footer { display: flex; align-items: center; justify-content: space-between; }
.day-arrow { color: var(--text3); font-size: 0.78rem; transition: transform 0.15s, color 0.15s; }
.day-card:hover .day-arrow { transform: translateX(3px); color: var(--green); }
.day-change-btn { font-size: 0.68rem; color: var(--text3); background: transparent; border: 1px solid var(--border); border-radius: 4px; padding: 0.15rem 0.4rem; cursor: pointer; font-family: 'Inter', sans-serif; transition: color 0.15s, border-color 0.15s; z-index: 2; }
.day-change-btn:hover { color: var(--orange); border-color: var(--orange); }

/* ── COURSES ── */
.courses-content { margin-bottom: 1rem; }
.rayon-block { margin-bottom: 1.75rem; }
.rayon-title { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.12em; color: var(--green); margin-bottom: 0.75rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }
.course-item { display: flex; align-items: center; justify-content: space-between; padding: 0.55rem 0; border-bottom: 1px solid rgba(255,255,255,0.04); gap: 0.5rem; }
.course-item:last-child { border-bottom: none; }
.course-item.done .course-nom { text-decoration: line-through; opacity: 0.35; }
.course-item.done .course-price { opacity: 0.35; }
.course-label { display: flex; align-items: center; gap: 0.6rem; cursor: pointer; flex: 1; }
.course-check { display: none; }
.course-check-box { width: 18px; height: 18px; border-radius: 5px; border: 1.5px solid var(--border); flex-shrink: 0; display: flex; align-items: center; justify-content: center; transition: background 0.15s, border-color 0.15s; }
.course-check:checked + .course-check-box { background: var(--green); border-color: var(--green); }
.course-check:checked + .course-check-box::after { content: '✓'; color: #141810; font-size: 0.68rem; font-weight: 700; }
.course-nom { font-size: 0.88rem; }
.course-price { font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; color: var(--amber); flex-shrink: 0; }
.courses-total { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.875rem 1.125rem; display: flex; justify-content: space-between; font-weight: 600; margin-top: 0.5rem; }
.courses-total span:last-child { font-family: 'JetBrains Mono', monospace; color: var(--amber); }
.chalk-btn-sm { display: block; margin: 1.25rem auto 2rem; background: transparent; color: var(--green); border: 1px solid var(--green); border-radius: var(--radius-sm); padding: 0.625rem 1.25rem; font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: background 0.15s; font-family: 'Inter', sans-serif; }
.chalk-btn-sm:hover { background: rgba(122,191,90,0.1); }

/* ── INVENTAIRE ── */
.inventaire-header { margin-bottom: 1.25rem; }
.inventaire-hint { font-size: 0.82rem; color: var(--text2); line-height: 1.5; }
.inventaire-list { margin-bottom: 1.5rem; }
.inv-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.inv-item:last-child { border-bottom: none; }
.inv-nom { flex: 1; font-size: 0.88rem; }
.inv-qty { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; color: var(--amber); min-width: 80px; text-align: right; }
.inv-btn { width: 26px; height: 26px; border-radius: 6px; border: 1px solid var(--border); background: transparent; color: var(--text2); font-size: 0.8rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.1s, color 0.1s; }
.inv-btn.del:hover { background: rgba(200,96,80,0.15); color: var(--red); border-color: var(--red); }
.inv-empty { color: var(--text3); font-size: 0.85rem; text-align: center; padding: 2rem 0; font-style: italic; }
.inventaire-add { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; padding-top: 1rem; border-top: 1px solid var(--border); }
.inventaire-add input { flex: 1; min-width: 120px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.6rem 0.875rem; font-size: 0.88rem; color: var(--text); outline: none; font-family: 'Inter', sans-serif; transition: border-color 0.15s; }
.inventaire-add input::placeholder { color: var(--text3); }
.inventaire-add input:focus { border-color: var(--green); }

/* ── MODAL ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); z-index: 100; display: flex; align-items: flex-end; justify-content: center; animation: fadeIn 0.18s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px 16px 0 0; padding: 2rem 1.5rem; width: 100%; max-width: 580px; max-height: 88vh; overflow-y: auto; position: relative; animation: slideUp 0.22s ease; }
@keyframes slideUp { from { transform: translateY(32px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-close { position: absolute; top: 1rem; right: 1rem; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg3); color: var(--text2); font-size: 0.8rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.modal-close:hover { color: var(--text); }
.modal-day { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.3rem; }
.modal-title { font-weight: 800; font-size: 1.4rem; color: var(--chalk); margin-bottom: 1rem; padding-right: 2.5rem; line-height: 1.25; }
.modal-section-title { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--green); margin: 1.5rem 0 0.75rem; }
.ingredients-list { list-style: none; }
.ingredients-list li { display: flex; justify-content: space-between; padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 0.88rem; }
.ingredients-list li:last-child { border-bottom: none; }
.ing-qty { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; color: var(--amber); }
.steps-list { list-style: none; counter-reset: steps; }
.steps-list li { counter-increment: steps; padding: 0.75rem 0 0.75rem 2.5rem; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 0.88rem; position: relative; line-height: 1.6; }
.steps-list li:last-child { border-bottom: none; }
.steps-list li::before { content: counter(steps); position: absolute; left: 0; top: 0.75rem; width: 22px; height: 22px; background: var(--orange); color: #141810; border-radius: 50%; font-size: 0.7rem; font-weight: 700; display: flex; align-items: center; justify-content: center; font-family: 'JetBrains Mono', monospace; }
.tip-box { background: rgba(122,191,90,0.08); border-left: 2px solid var(--green); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 0.75rem 1rem; font-size: 0.84rem; color: var(--text2); margin-top: 1rem; }

/* ── LOADING ── */
#loading-screen { align-items: center; justify-content: center; background: var(--bg); }
.loading-wrap { text-align: center; }
.loading-pan { font-size: 3rem; animation: wobble 0.6s ease-in-out infinite alternate; display: block; margin-bottom: 1.25rem; }
@keyframes wobble { from { transform: rotate(-12deg); } to { transform: rotate(12deg); } }
#loading-text { font-size: 1.1rem; color: var(--text2); }

/* ── RESPONSIVE ── */
@media (max-width: 480px) {
  .days-grid { grid-template-columns: 1fr 1fr; }
  .chalk-board { padding: 2.5rem 1.75rem; }
  .tab-content { padding: 1rem; }
  .app-header { padding: 0.875rem 1rem; }
  .tabs { padding: 0 1rem; }
  .header-actions { flex-direction: column; gap: 0.35rem; }
}