/* ==========================================================================
   BioTask — Clean, Responsive, Accessible & Automation-Friendly Stylesheet
   ========================================================================== */

:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --border: #cbd5e1;
  --text: #0f172a;
  --text-muted: #475569;
  --primary: #1d4ed8;
  --primary-hover: #1e40af;
  --success: #15803d;
  --success-bg: #dcfce7;
  --warning: #b45309;
  --warning-bg: #fef3c7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --info: #0369a1;
  --info-bg: #e0f2fe;
  --purple: #6d28d9;
  --purple-bg: #ede9fe;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* Header & Navigation */
.site-header {
  background: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-bottom: 3px solid var(--primary);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge {
  background: var(--primary);
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.main-nav a,
.btn-logout {
  color: #e2e8f0;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.92rem;
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
}

.main-nav a:hover,
.btn-logout:hover {
  background: #1e293b;
  color: #ffffff;
  text-decoration: none;
}

.user-pill {
  background: #1e293b;
  color: #f8fafc;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  border: 1px solid #334155;
}

/* Main Container */
.container {
  max-width: 1280px;
  margin: 1.5rem auto;
  padding: 0 1rem;
}

/* Cards & Sections */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

.card-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

/* Grid utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 4px;
  white-space: nowrap;
}

.badge-status-TODO { background: #e2e8f0; color: #1e293b; }
.badge-status-IN_PROGRESS { background: var(--info-bg); color: var(--info); }
.badge-status-WAITING { background: var(--warning-bg); color: var(--warning); }
.badge-status-AT_SUPPLIER { background: var(--purple-bg); color: var(--purple); }
.badge-status-COMPLETED { background: var(--success-bg); color: var(--success); }
.badge-status-CANCELLED { background: #f1f5f9; color: #64748b; text-decoration: line-through; }

.badge-priority-LOW { background: #f1f5f9; color: #475569; }
.badge-priority-NORMAL { background: var(--info-bg); color: var(--info); }
.badge-priority-HIGH { background: var(--warning-bg); color: var(--warning); }
.badge-priority-URGENT { background: var(--danger-bg); color: var(--danger); font-weight: 700; }

.badge-ai {
  background: var(--purple-bg);
  color: var(--purple);
  border: 1px solid #c4b5fd;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.3;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-success {
  background: var(--success);
  color: #ffffff;
}
.btn-success:hover {
  background: #166534;
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}
.btn-danger:hover {
  background: #991b1b;
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: #ffffff;
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}

.help-text {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.field-errors,
.errorlist {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid #fca5a5;
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  margin: 0.35rem 0;
  list-style: none;
  font-size: 0.88rem;
}

/* Flash Messages */
.messages {
  margin-bottom: 1.25rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  border: 1px solid transparent;
  font-weight: 500;
}

.alert-success { background: var(--success-bg); color: var(--success); border-color: #86efac; }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: #fcd34d; }
.alert-error, .alert-danger { background: var(--danger-bg); color: var(--danger); border-color: #fca5a5; }
.alert-info { background: var(--info-bg); color: var(--info); border-color: #7dd3fc; }

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.data-table th,
table.data-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.data-table th {
  background: var(--surface-alt);
  font-weight: 700;
  color: var(--text);
}

table.data-table tr:hover td {
  background: #f8fafc;
}

/* Timeline & Suivi du job */
.timeline {
  border-left: 3px solid var(--primary);
  margin-left: 0.5rem;
  padding-left: 1.25rem;
}

.timeline-item {
  position: relative;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.4rem;
}

/* Gallery & File Previews */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1rem;
}

.gallery-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gallery-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.preview-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.preview-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  width: 160px;
  background: var(--surface-alt);
  font-size: 0.8rem;
}

.preview-item img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 0.35rem;
}

.dropzone-hint {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 0.85rem;
  background: var(--surface-alt);
}

.dropzone-hint.drag-over {
  border-color: var(--primary);
  background: var(--info-bg);
}

/* Responsive mobile adjustments */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .card {
    padding: 0.9rem;
  }
}