/* ============================================
   INVOICE PWA - Design System
   Palette : dark teal/cyan (reprise de sogecommerce-pwa)
   ============================================ */

:root {
  /* Palette reprise de sogecommerce-pwa — thème dark teal/cyan */
  --navy:        #0f1923;
  --navy-dark:   #0a121a;
  --navy-light:  #172030;
  --accent:      #00d4a1;
  --accent2:     #0099ff;
  --accent-light:#162236;
  --success:     #00d4a1;
  --success-bg:  rgba(0,212,161,.12);
  --warning:     #ffc107;
  --warning-bg:  rgba(255,193,7,.12);
  --danger:      #ff4d6d;
  --danger-bg:   rgba(255,77,109,.12);
  --white:       #ffffff;
  --bg:          #0f1923;
  --bg-card:     #162236;
  --text:        #e8edf5;
  --text-muted:  #6b7f99;
  --border:      #243144;
  --border-focus:#00d4a1;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.4);
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --font-sans:   'Syne', sans-serif;
  --font-serif:  'Syne', sans-serif;
  --font-mono:   'DM Mono', monospace;
  --nav-height:  64px;
  --bottom-height:0px;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --drawer-width: 280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); background: var(--bg); color: var(--text); min-height: 100vh; padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px)); }

/* ── TOP NAV ── */
.top-nav { position:fixed; top:0; left:0; right:0; background:var(--navy); display:flex; flex-direction:column; z-index:100; box-shadow:0 2px 8px rgba(0,0,0,0.4); padding-top:constant(safe-area-inset-top); padding-top:env(safe-area-inset-top, 0px); border-bottom:1px solid var(--border); }
.top-nav .nav-brand { display:flex; align-items:center; gap:10px; }
.top-nav .nav-inner { display:flex; align-items:center; justify-content:space-between; width:100%; height:var(--nav-height); padding:0 16px; }
.top-nav .nav-logo { width:36px; height:36px; object-fit:contain; border-radius:50%; background:rgba(255,255,255,0.06); padding:2px; }
.top-nav .nav-title { font-family:var(--font-serif); color:var(--white); font-size:1.1rem; letter-spacing:-0.2px; }
.top-nav .nav-subtitle { color:var(--text-muted); font-size:0.72rem; margin-top:1px; font-family:var(--font-mono); }
.top-nav .nav-action { background:rgba(0,212,161,0.12); border:1px solid rgba(0,212,161,0.25); border-radius:var(--radius-sm); color:var(--accent); padding:8px 14px; font-size:0.85rem; font-family:var(--font-sans); cursor:pointer; transition:background 0.2s; }
.top-nav .nav-action:hover { background:rgba(0,212,161,0.22); }

/* Hamburger button */
.hamburger-btn { background:none; border:none; width:40px; height:40px; display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--white); border-radius:var(--radius-sm); transition:background 0.2s; -webkit-tap-highlight-color:transparent; }
.hamburger-btn:active { background:rgba(255,255,255,0.1); }
.hamburger-btn svg { width:22px; height:22px; }

/* Drawer overlay (scrim) */
.drawer-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.55); z-index:199; opacity:0; pointer-events:none; transition:opacity 0.25s ease; }
.drawer-overlay.open { opacity:1; pointer-events:auto; }

/* Side drawer */
.side-drawer { position:fixed; top:0; left:0; height:100%; width:var(--drawer-width); max-width:82vw; background:var(--navy-light); border-right:1px solid var(--border); z-index:200; transform:translateX(-100%); transition:transform 0.28s cubic-bezier(.2,.9,.3,1); display:flex; flex-direction:column; padding-top:constant(safe-area-inset-top); padding-top:env(safe-area-inset-top, 0px); box-shadow:4px 0 24px rgba(0,0,0,0.4); }
.side-drawer.open { transform:translateX(0); }
.drawer-header { display:flex; align-items:center; gap:12px; padding:20px 18px; border-bottom:1px solid var(--border); }
.drawer-header img { width:40px; height:40px; object-fit:contain; border-radius:50%; background:rgba(255,255,255,0.06); padding:3px; }
.drawer-header-text .drawer-title { font-family:var(--font-serif); color:var(--white); font-size:1.05rem; }
.drawer-header-text .drawer-subtitle { color:var(--text-muted); font-size:0.7rem; font-family:var(--font-mono); margin-top:1px; }
.drawer-nav { display:flex; flex-direction:column; padding:10px 8px; gap:2px; flex:1; overflow-y:auto; }
.drawer-item { display:flex; align-items:center; gap:14px; padding:13px 14px; border-radius:var(--radius-sm); background:none; border:none; color:var(--text-muted); font-family:var(--font-sans); font-size:0.92rem; font-weight:600; cursor:pointer; text-align:left; width:100%; transition:background 0.15s, color 0.15s; -webkit-tap-highlight-color:transparent; }
.drawer-item:active { background:rgba(255,255,255,0.04); }
.drawer-item.active { background:rgba(0,212,161,0.1); color:var(--accent); }
.drawer-item .drawer-icon { font-size:1.25rem; line-height:1; width:24px; text-align:center; flex-shrink:0; }
.drawer-item-fab { display:flex; align-items:center; gap:14px; padding:13px 14px; margin:6px 8px 10px; border-radius:var(--radius-sm); background:linear-gradient(135deg,var(--accent),var(--accent2)); border:none; color:#0f1923; font-family:var(--font-sans); font-size:0.92rem; font-weight:700; cursor:pointer; -webkit-tap-highlight-color:transparent; }
.drawer-footer { padding:14px 18px; border-top:1px solid var(--border); font-size:0.68rem; color:var(--text-muted); font-family:var(--font-mono); }

/* ── MAIN ── */
.main-content { margin-top:var(--nav-height); margin-top:calc(var(--nav-height) + env(safe-area-inset-top, 0px)); padding:16px 16px 20px; max-width:600px; margin-left:auto; margin-right:auto; }

/* ── BOTTOM NAV ── */
/* (bottom-nav supprimée — remplacée par drawer latéral) */

/* ── PAGES ── */
.page { display:none; }
.page.active { display:block; }

/* ── CARDS ── */
.card { background:var(--bg-card); border-radius:var(--radius-lg); padding:16px; box-shadow:var(--shadow-sm); margin-bottom:12px; border:1px solid var(--border); }
.card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.card-title { font-size:0.85rem; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.06em; }

/* ── STATS ── */
.stats-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:16px; }
.stat-card { background:var(--bg-card); border-radius:var(--radius-md); padding:14px; box-shadow:var(--shadow-sm); border:1px solid var(--border); }
.stat-value { font-family:var(--font-serif); font-size:1.5rem; color:var(--accent); line-height:1; }
.stat-label { font-size:0.72rem; color:var(--text-muted); margin-top:4px; font-weight:500; }

/* ── INVOICE ITEM ── */
.invoice-item { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); cursor:pointer; }
.invoice-item:last-child { border-bottom:none; }
.invoice-avatar { width:40px; height:40px; border-radius:50%; background:var(--accent-light); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.85rem; flex-shrink:0; }
.invoice-info { flex:1; min-width:0; }
.invoice-patient { font-weight:600; font-size:0.9rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.invoice-meta { font-size:0.75rem; color:var(--text-muted); margin-top:2px; }
.invoice-right { text-align:right; flex-shrink:0; }
.invoice-amount { font-weight:700; font-size:0.95rem; color:var(--accent); }

/* ── BADGES ── */
.badge { display:inline-block; padding:2px 8px; border-radius:99px; font-size:0.68rem; font-weight:600; letter-spacing:0.04em; }
.badge-paid    { background:var(--success-bg); color:var(--success); }
.badge-pending { background:var(--warning-bg); color:var(--warning); }
.badge-cancelled { background:rgba(107,127,153,.15); color:var(--text-muted); }

/* ── FORMS ── */
.form-group { margin-bottom:14px; }
.form-label { display:block; font-size:0.78rem; font-weight:600; color:var(--text-muted); margin-bottom:5px; letter-spacing:0.03em; }
.form-control { width:100%; padding:10px 12px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-family:var(--font-sans); font-size:0.9rem; color:var(--text); background:var(--accent-light); transition:border-color 0.2s, box-shadow 0.2s; -webkit-appearance:none; }
.form-control:focus { outline:none; border-color:var(--border-focus); box-shadow:0 0 0 3px rgba(0,212,161,0.15); }
.form-control-sm { padding:7px 10px; font-size:0.82rem; }
select.form-control { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7f99' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 10px center; padding-right:30px; color-scheme:dark; }

/* ── DATE FILTERS ── */
.filter-bar { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:12px; }
.filter-bar input[type="date"] { padding:8px 10px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-family:var(--font-sans); font-size:0.82rem; color:var(--text); background:var(--accent-light); color-scheme:dark; }
.filter-bar input[type="date"]:focus { outline:none; border-color:var(--border-focus); }
.filter-label { font-size:0.78rem; color:var(--text-muted); font-weight:600; white-space:nowrap; }

/* ── INVOICE LINES ── */
.invoice-lines { margin-bottom:14px; }
.invoice-line { display:grid; grid-template-columns:1fr 60px 70px 30px; gap:6px; align-items:center; margin-bottom:8px; }
.invoice-total-box { background:var(--accent-light); border-radius:var(--radius-sm); padding:12px 14px; display:flex; justify-content:space-between; align-items:center; margin-top:8px; }
.invoice-total-label { font-weight:600; font-size:0.9rem; color:var(--text); }
.invoice-total-amount { font-family:var(--font-serif); font-size:1.3rem; color:var(--accent); }

/* ── BUTTONS ── */
.btn { display:inline-flex; align-items:center; gap:6px; padding:10px 18px; border-radius:var(--radius-sm); border:none; font-family:var(--font-sans); font-size:0.88rem; font-weight:600; cursor:pointer; transition:all 0.2s; text-decoration:none; justify-content:center; }
.btn-primary   { background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#0f1923; }
.btn-primary:hover { filter:brightness(1.08); }
.btn-secondary { background:var(--border); color:var(--text); }
.btn-secondary:hover { background:var(--navy-light); }
.btn-success   { background:var(--success); color:#0f1923; }
.btn-success:hover { background:#00b88c; }
.btn-danger    { background:var(--danger); color:white; }
.btn-warning   { background:var(--warning); color:white; }
.btn-outline   { background:transparent; border:1.5px solid var(--accent); color:var(--accent); }
.btn-outline:hover { background:var(--accent-light); }
.btn-full      { width:100%; }
.btn-sm        { padding:6px 12px; font-size:0.78rem; }
.btn-remove-line { background:none; border:none; color:var(--danger); cursor:pointer; font-size:1.1rem; padding:0; line-height:1; }

/* ── CHECKBOXES ── */
.checkbox-row { display:flex; align-items:center; gap:10px; padding:10px 12px; background:var(--accent-light); border-radius:var(--radius-sm); margin-bottom:12px; cursor:pointer; }
.checkbox-row input[type="checkbox"] { width:18px; height:18px; accent-color:var(--accent); cursor:pointer; }
.checkbox-row label { font-size:0.88rem; font-weight:500; cursor:pointer; }

/* ── PATIENT MULTI-SELECT ── */
.patient-item { display:flex; align-items:center; gap:12px; padding:10px 0; border-bottom:1px solid var(--border); }
.patient-item:last-child { border-bottom:none; }
.patient-item input[type="checkbox"] { width:17px; height:17px; accent-color:var(--accent); cursor:pointer; flex-shrink:0; }
.patient-avatar { width:38px; height:38px; border-radius:50%; background:var(--accent-light); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.82rem; flex-shrink:0; }
.patient-name    { font-weight:600; font-size:0.88rem; }
.patient-contact { font-size:0.73rem; color:var(--text-muted); margin-top:2px; }
.patient-actions { margin-left:auto; display:flex; gap:6px; }

.bulk-bar { display:none; align-items:center; justify-content:space-between; background:var(--accent-light); color:var(--text); padding:10px 14px; border-radius:var(--radius-sm); margin-bottom:10px; border:1px solid var(--accent); }
.bulk-bar.visible { display:flex; }
.bulk-bar span { font-size:0.85rem; font-weight:600; }

/* ── SEARCH ── */
.search-box { position:relative; margin-bottom:12px; }
.search-box input { width:100%; padding:10px 12px 10px 36px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-family:var(--font-sans); font-size:0.88rem; background:var(--accent-light); color:var(--text); }
.search-box input:focus { outline:none; border-color:var(--border-focus); }
.search-box .search-icon { position:absolute; left:10px; top:50%; transform:translateY(-50%); color:var(--text-muted); font-size:1rem; }

/* ── AUTOCOMPLETE ── */
.autocomplete-wrapper { position:relative; }
.autocomplete-list { position:absolute; top:100%; left:0; right:0; background:var(--bg-card); border:1.5px solid var(--border-focus); border-top:none; border-radius:0 0 var(--radius-sm) var(--radius-sm); max-height:200px; overflow-y:auto; z-index:50; display:none; }
.autocomplete-list.open { display:block; }
.autocomplete-item { padding:10px 12px; cursor:pointer; font-size:0.88rem; border-bottom:1px solid var(--border); }
.autocomplete-item:last-child { border-bottom:none; }
.autocomplete-item:hover { background:var(--accent-light); }
.autocomplete-item .ac-name { font-weight:600; }
.autocomplete-item .ac-info { font-size:0.72rem; color:var(--text-muted); }

/* ── MODALS ── */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.6); z-index:200; backdrop-filter:blur(2px); align-items:flex-end; justify-content:center; }
.modal-overlay.open { display:flex; }
.modal-sheet { background:var(--bg-card); border-radius:var(--radius-lg) var(--radius-lg) 0 0; padding:20px 16px calc(20px + env(safe-area-inset-bottom, 0px)) 16px; width:100%; max-width:600px; max-height:96vh; overflow-y:auto; animation:slideUp 0.3s ease; border-top:1px solid var(--border); }
@keyframes slideUp { from { transform:translateY(100%); } to { transform:translateY(0); } }
.modal-handle { width:40px; height:4px; background:var(--border); border-radius:99px; margin:0 auto 16px; }
.modal-title { font-family:var(--font-serif); font-size:1.2rem; color:var(--text); margin-bottom:16px; }

/* ── WIZARD ── */
.wizard-overlay { display:none; position:fixed; inset:0; background:var(--navy-dark); z-index:300; align-items:center; justify-content:center; padding:20px; }
.wizard-overlay.open { display:flex; }
.wizard-card { background:var(--bg-card); border-radius:var(--radius-lg); padding:28px 20px; width:100%; max-width:480px; max-height:90vh; overflow-y:auto; border:1px solid var(--border); }
.wizard-logo { text-align:center; margin-bottom:20px; }
.wizard-logo img { width:72px; height:72px; object-fit:contain; margin-bottom:8px; }
.wizard-logo h1 { font-family:var(--font-serif); color:var(--accent); font-size:1.4rem; }
.wizard-logo p { font-size:0.82rem; color:var(--text-muted); margin-top:4px; }

/* ── SIGNATURE ── */
.signature-upload { border:2px dashed var(--border); border-radius:var(--radius-md); padding:20px; text-align:center; cursor:pointer; transition:border-color 0.2s, background 0.2s; margin-bottom:8px; }
.signature-upload:hover { border-color:var(--accent); background:var(--accent-light); }
.signature-upload img { max-height:80px; max-width:100%; object-fit:contain; }
.signature-upload .upload-hint { font-size:0.8rem; color:var(--text-muted); margin-top:6px; }

/* ── CSV DROP ── */
.csv-drop { border:2px dashed var(--border); border-radius:var(--radius-md); padding:24px; text-align:center; cursor:pointer; transition:all 0.2s; }
.csv-drop:hover, .csv-drop.dragover { border-color:var(--accent); background:var(--accent-light); }
.csv-drop .drop-icon { font-size:2rem; margin-bottom:8px; }
.csv-drop p { font-size:0.82rem; color:var(--text-muted); }

/* ── SECTION HEADER ── */
.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.section-title { font-family:var(--font-serif); font-size:1.1rem; color:var(--text); }

/* ── TOAST ── */
.toast { position:fixed; bottom:calc(var(--bottom-height) + 12px); left:50%; transform:translateX(-50%) translateY(20px); background:var(--navy-dark); color:white; padding:10px 20px; border-radius:var(--radius-md); font-size:0.85rem; font-weight:500; z-index:500; opacity:0; transition:opacity 0.3s, transform 0.3s; white-space:nowrap; max-width:90vw; }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast.success { background:var(--success); color:#0f1923; }
.toast.error   { background:var(--danger); }

/* ── EMPTY STATE ── */
.empty-state { text-align:center; padding:40px 20px; color:var(--text-muted); }
.empty-state .empty-icon { font-size:2.5rem; margin-bottom:10px; }
.empty-state p { font-size:0.88rem; }

/* ── MISC ── */
.divider { height:1px; background:var(--border); margin:14px 0; }
.spinner { width:20px; height:20px; border:2px solid rgba(255,255,255,0.3); border-top-color:white; border-radius:50%; animation:spin 0.7s linear infinite; display:inline-block; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ── INVOICE DETAIL MODAL ACTIONS ── */
.invoice-actions { display:flex; gap:6px; flex-wrap:wrap; margin-top:12px; }
.invoice-actions .btn { flex:1; min-width:100px; font-size:0.78rem; padding:8px 10px; }

@media (min-width:600px) {
  .main-content { padding:20px 24px; }
  .invoice-line { grid-template-columns:1fr 70px 80px 30px; }
}

/* ── VERSION ── */
.app-version {
  position: fixed;
  bottom: calc(var(--bottom-height) + 4px);
  right: 10px;
  font-size: 0.62rem;
  color: var(--text-muted);
  opacity: 0.5;
  pointer-events: none;
  z-index: 99;
  font-family: var(--font-sans);
}