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

:root {
  --green-dark:    #1b4332;
  --green-primary: #2d6a4f;
  --green-accent:  #52b788;
  --green-light:   #d8f3dc;
  --bg:            #f5f9f6;
  --card:          #ffffff;
  --border:        #b7e4c7;
  --text:          #1b2e24;
  --text-muted:    #5a7a68;
  --red:           #c0392b;
  --red-light:     #fdecea;
  --radius:        8px;
  --shadow:        0 2px 8px rgba(0,0,0,.08);
}

body { font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ── Header ─────────────────────────────────────────────── */
#app-header {
  background: var(--green-primary); color: #fff;
  padding: .75rem 1.5rem; display: flex; align-items: center;
  justify-content: space-between; gap: 1rem;
}
#app-header h1 { font-size: 1.1rem; font-weight: 600; letter-spacing: .02em; }
#header-user { font-size: .85rem; display: flex; align-items: center; gap: .75rem; }
#btn-logout {
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.3);
  color: #fff; padding: .3rem .75rem; border-radius: var(--radius);
  cursor: pointer; font-size: .82rem;
}
#btn-logout:hover { background: rgba(255,255,255,.25); }
#app-header[hidden], #header-user[hidden] { display: none !important; }

/* ── Views ──────────────────────────────────────────────── */
.view { display: none; padding: 2rem 1.5rem; max-width: 900px; margin: 0 auto; }
.view.active { display: block; }

/* ── Auth ───────────────────────────────────────────────── */
#view-auth { max-width: 420px; margin: 3rem auto; }
.auth-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.auth-tabs { display: flex; gap: .5rem; margin-bottom: 1.5rem; }
.auth-tab {
  flex: 1; padding: .55rem; text-align: center; border-radius: var(--radius);
  cursor: pointer; font-size: .9rem; font-weight: 500; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted); transition: .15s;
}
.auth-tab.active { background: var(--green-primary); color: #fff; border-color: var(--green-primary); }

/* ── Forms ──────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
label { display: block; font-size: .82rem; font-weight: 500; color: var(--text-muted); margin-bottom: .3rem; }
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], select, textarea {
  width: 100%; padding: .6rem .8rem; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: .92rem; outline: none; background: #fff; color: var(--text); transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--green-accent); box-shadow: 0 0 0 3px rgba(82,183,136,.15); }
textarea { resize: vertical; min-height: 70px; }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1.2rem; border-radius: var(--radius); font-size: .9rem; font-weight: 500;
  cursor: pointer; border: none; transition: .15s; text-decoration: none;
}
.btn-primary   { background: var(--green-primary); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-secondary { background: var(--green-light); color: var(--green-dark); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger    { background: var(--red-light); color: var(--red); border: 1px solid #f5c6c2; }
.btn-danger:hover { background: #f5c6c2; }
.btn-full { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Messages ───────────────────────────────────────────── */
.msg-error { background: var(--red-light); color: var(--red); border-radius: var(--radius); padding: .6rem .9rem; font-size: .85rem; margin-top: .75rem; }
.msg-info  { background: var(--green-light); color: var(--green-dark); border-radius: var(--radius); padding: .6rem .9rem; font-size: .85rem; margin-top: .75rem; }

/* ── Vehicles grid ──────────────────────────────────────── */
.vehicles-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.vehicles-header h2 { font-size: 1.2rem; color: var(--green-dark); }
.vehicles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.vehicle-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; cursor: pointer; transition: .15s; box-shadow: var(--shadow);
}
.vehicle-card:hover { border-color: var(--green-accent); box-shadow: 0 4px 16px rgba(45,106,79,.12); }
.vehicle-card .plate {
  display: inline-block; background: var(--green-dark); color: #fff;
  font-size: .85rem; font-weight: 700; letter-spacing: .08em;
  padding: .2rem .6rem; border-radius: 4px; margin-bottom: .6rem;
}
.vehicle-card .car-name { font-size: 1rem; font-weight: 600; margin-bottom: .25rem; }
.vehicle-card .car-meta { font-size: .8rem; color: var(--text-muted); }
.vehicles-empty { color: var(--text-muted); font-size: .95rem; padding: 2rem 0; }

/* ── Vehicle detail ──────────────────────────────────────── */
.detail-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.detail-back { font-size: .85rem; color: var(--green-primary); cursor: pointer; display: inline-flex; align-items: center; gap: .3rem; margin-bottom: .75rem; }
.detail-back:hover { text-decoration: underline; }
.detail-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem; box-shadow: var(--shadow); }
.detail-card h3 { font-size: 1rem; color: var(--green-dark); margin-bottom: .75rem; border-bottom: 1px solid var(--border); padding-bottom: .5rem; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .5rem .75rem; }
.detail-item label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.detail-item span { font-size: .9rem; font-weight: 500; }

/* ── Invoices table ──────────────────────────────────────── */
.invoices-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem; }
.invoices-header h3 { font-size: 1rem; color: var(--green-dark); }
.invoices-table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th { background: var(--green-light); color: var(--green-dark); font-weight: 600; text-align: left; padding: .55rem .75rem; }
td { padding: .55rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
.tag { display: inline-block; padding: .15rem .5rem; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.tag-entretien  { background: #e8f5e9; color: #2e7d32; }
.tag-reparation { background: #fff3e0; color: #e65100; }
.tag-processing { background: #e3f2fd; color: #1565c0; }
.tag-error      { background: var(--red-light); color: var(--red); }
.row-processing { opacity: .65; }
.row-error td   { background: #fff8f8; }
.error-msg { font-size: .78rem; color: var(--red); display: block; margin-top: .2rem; }

/* ── Modals ──────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4);
  z-index: 200; align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card); border-radius: var(--radius); padding: 1.75rem;
  width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.2); position: relative;
}
.modal h2 { font-size: 1.1rem; color: var(--green-dark); margin-bottom: 1.25rem; }
.modal-close {
  position: absolute; top: 1rem; right: 1rem; background: none; border: none;
  font-size: 1.4rem; cursor: pointer; color: var(--text-muted); line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.25rem; }

/* ── Vehicle lookup preview ──────────────────────────────── */
#vehicle-preview { display: none; }
#vehicle-preview.visible { display: block; }
.preview-box { background: var(--green-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin: .75rem 0; }
.preview-box strong { display: block; font-size: 1rem; margin-bottom: .5rem; color: var(--green-dark); }
.preview-meta { display: grid; grid-template-columns: 1fr 1fr; gap: .3rem .75rem; font-size: .85rem; }
.preview-meta span { color: var(--text-muted); }
.preview-meta b { color: var(--text); }

/* ── File drop zone ──────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 2rem;
  text-align: center; cursor: pointer; transition: .15s; color: var(--text-muted);
}
.drop-zone:hover, .drop-zone.over { border-color: var(--green-accent); background: var(--green-light); }
.drop-zone .drop-icon { font-size: 2rem; margin-bottom: .5rem; }
.drop-zone input[type="file"] { display: none; }
#file-name { font-size: .85rem; color: var(--green-primary); margin-top: .5rem; font-weight: 500; }

/* ── Spinners ─────────────────────────────────────────────── */
.spinner-wrap { text-align: center; padding: 1.5rem; }
.spinner {
  display: inline-block; width: 36px; height: 36px;
  border: 3px solid var(--border); border-top-color: var(--green-accent);
  border-radius: 50%; animation: spin .8s linear infinite;
}
.spinner-label { margin-top: .75rem; font-size: .9rem; color: var(--text-muted); }
.spinner-inline {
  display: inline-block; width: 12px; height: 12px; vertical-align: middle;
  border: 2px solid #90caf9; border-top-color: #1565c0;
  border-radius: 50%; animation: spin .7s linear infinite; margin-right: .3rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Invoice detail modal ─────────────────────────────────── */
#modal-invoice-detail .modal { max-width: 720px; }
.inv-detail-header { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .4rem .75rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.inv-detail-header .detail-item label { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.inv-detail-header .detail-item span  { font-size: .9rem; font-weight: 500; }
.inv-lines-table { width: 100%; border-collapse: collapse; font-size: .82rem; margin-bottom: .75rem; }
.inv-lines-table th { background: var(--green-light); color: var(--green-dark); font-weight: 600; text-align: left; padding: .45rem .6rem; }
.inv-lines-table td { padding: .45rem .6rem; border-bottom: 1px solid var(--border); }
.inv-lines-table tr:last-child td { border-bottom: none; }
.inv-totals { display: flex; flex-direction: column; align-items: flex-end; gap: .2rem; font-size: .88rem; padding-top: .5rem; border-top: 1px solid var(--border); }
.inv-totals .totals-row { display: flex; gap: 1.5rem; }
.inv-totals .totals-row span { color: var(--text-muted); min-width: 90px; text-align: right; }
.inv-totals .totals-row b   { min-width: 80px; text-align: right; }
.inv-totals .totals-ttc b   { font-size: 1rem; color: var(--green-dark); }
.inv-images { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; padding-top: .75rem; border-top: 1px solid var(--border); }
.inv-images img { width: 90px; height: 120px; object-fit: cover; border-radius: 4px; border: 1px solid var(--border); cursor: pointer; transition: .15s; }
.inv-images img:hover { border-color: var(--green-accent); box-shadow: 0 2px 8px rgba(45,106,79,.2); }

/* ── Toast ───────────────────────────────────────────────── */
#toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  padding: .7rem 1rem; border-radius: var(--radius); font-size: .88rem;
  box-shadow: 0 4px 12px rgba(0,0,0,.15); animation: fadeIn .2s ease; max-width: 320px;
}
.toast-success { background: var(--green-primary); color: #fff; }
.toast-error   { background: var(--red); color: #fff; }
@keyframes fadeIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: none; } }