/* upload.css — Upload + confirmation page styles */
/* CSS variables drive day/night theming via data-theme on <html> */

:root {
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-text: #111827;
  --color-muted: #6b7280;
  --color-primary: #1a1a1a;
  --color-accent: #2563eb;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
}

[data-theme="dark"] {
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-border: #2a2f3e;
  --color-text: #f1f5f9;
  --color-muted: #94a3b8;
  --color-primary: #f8fafc;
  --shadow: 0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Layout */
.page-wrap { max-width: 620px; margin: 0 auto; padding: 0 1.25rem 4rem; }

/* Site header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}
.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.site-nav { display: flex; gap: 0.25rem; }
.nav-link {
  padding: 0.375rem 0.875rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.nav-link:hover, .nav-link.active {
  background: var(--color-surface);
  color: var(--color-text);
}

/* Page intro */
.page-intro { margin-bottom: 2rem; }
.page-intro h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.375rem;
}
.page-intro p { color: var(--color-muted); font-size: 0.9375rem; }

/* Alert */
.alert {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
.alert-error { background: #fef2f2; color: var(--color-error); border: 1px solid #fecaca; }
[data-theme="dark"] .alert-error { background: #2d1515; border-color: #5c2020; }

/* Form sections */
.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.step-badge {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-section h2 { font-size: 0.9375rem; font-weight: 600; color: var(--color-text); }

/* Fields */
.field { display: flex; flex-direction: column; gap: 0.375rem; margin-bottom: 1rem; }
.field:last-child { margin-bottom: 0; }
label { font-size: 0.875rem; font-weight: 500; color: #374151; }
[data-theme="dark"] label { color: #cbd5e1; }
.required { color: var(--color-error); }
.optional { color: var(--color-muted); font-weight: 400; font-size: 0.8125rem; }

input[type="text"], select, textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder, textarea::placeholder { color: #9ca3af; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2rem;
  cursor: pointer;
}
.field-error { font-size: 0.8125rem; color: var(--color-error); min-height: 1.25rem; margin-top: 0.25rem; }

/* Drop zone */
.drop-zone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: 10px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: var(--color-bg);
  margin-bottom: 0.75rem;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--color-accent);
  background: rgba(37,99,235,.03);
}
.drop-zone-content { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; }
.drop-icon { color: #9ca3af; margin-bottom: 0.625rem; }
.drop-label { font-size: 0.9375rem; font-weight: 500; color: var(--color-text); }
.drop-sub { font-size: 0.875rem; color: var(--color-muted); }
.browse-link { color: var(--color-accent); font-weight: 500; cursor: pointer; text-decoration: underline; }
.file-hint { font-size: 0.75rem; color: #9ca3af; margin-top: 0.375rem; }
.file-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-zone-active {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; font-size: 0.875rem; color: #1e40af; font-weight: 500;
}

/* File list */
.file-list { display: flex; flex-direction: column; gap: 0.375rem; margin-top: 0.5rem; }
.file-item {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.8125rem;
}
.file-icon { flex-shrink: 0; display: flex; align-items: center; }
.file-name { flex: 1; font-weight: 500; color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { color: var(--color-muted); flex-shrink: 0; font-size: 0.75rem; }
.file-remove {
  background: none; border: none; color: var(--color-muted);
  cursor: pointer; padding: 0.125rem; border-radius: 4px;
  display: flex; align-items: center; flex-shrink: 0;
  transition: color .15s, background .15s;
}
.file-remove:hover { color: var(--color-error); background: #fef2f2; }

/* Upload progress */
.upload-progress { margin-top: 1rem; }
.progress-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.5rem; font-size: 0.8125rem; color: var(--color-muted);
}
.progress-pct { font-weight: 600; color: var(--color-text); }
.progress-bar-wrap {
  height: 6px; background: var(--color-border);
  border-radius: 100px; overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #60a5fa);
  border-radius: 100px; width: 0%; transition: width .2s ease;
}

/* Form actions */
.form-actions {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.75rem; margin-top: 1.5rem;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2.25rem;
  background: var(--color-primary); color: #fff;
  border: none; border-radius: 8px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: background .15s, transform .1s;
  letter-spacing: -0.01em; text-decoration: none;
}
.btn-primary:hover { background: #2d2d2d; }
.btn-primary:active { transform: scale(.98); }
.btn-primary:disabled { background: #9ca3af; cursor: not-allowed; transform: none; }
.form-note { font-size: 0.8125rem; color: var(--color-muted); text-align: center; }

/* Confirmation page */
.confirmation-hero { text-align: center; margin-bottom: 2rem; }
.confirmation-icon { margin-bottom: 1rem; }
.confirmation-hero h1 {
  font-size: 1.75rem; font-weight: 700;
  letter-spacing: -0.025em; margin-bottom: 0.5rem;
}
.confirmation-hero p { color: var(--color-muted); font-size: 0.9375rem; }

.confirmation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card-label {
  font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-muted); margin-bottom: 1rem;
}
.details-list { display: flex; flex-direction: column; gap: 0; }
.detail-row {
  display: grid; grid-template-columns: 120px 1fr; gap: 0.5rem;
  padding: 0.625rem 0; border-bottom: 1px solid var(--color-border); align-items: center;
}
.detail-row:last-child { border-bottom: none; }
.detail-row dt { font-size: 0.8125rem; color: var(--color-muted); }
.detail-row dd { font-size: 0.875rem; font-weight: 500; color: var(--color-text); }
.detail-row dd code { font-family: monospace; color: var(--color-muted); font-size: 0.8125rem; }

.status-badge {
  display: inline-block;
  padding: 0.125rem 0.625rem;
  border-radius: 100px;
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.02em; text-transform: capitalize;
}
.status-pending { background: #fef9c3; color: #854d0e; }
.status-in_review { background: #dbeafe; color: #1e40af; }
.status-complete { background: #dcfce7; color: #15803d; }
.status-failed { background: #fef2f2; color: #991b1b; }
[data-theme="dark"] .status-pending { background: #2d2a0a; color: #fde047; }
[data-theme="dark"] .status-in_review { background: #1e1b3a; color: #a5b4fc; }
[data-theme="dark"] .status-complete { background: #1a2e1a; color: #86efac; }
[data-theme="dark"] .status-failed { background: #2d1515; color: #fca5a5; }

/* Confirmation file list */
.file-list-confirm { list-style: none; display: flex; flex-direction: column; gap: 0.375rem; }
.file-list-item { display: flex; align-items: center; gap: 0.625rem; font-size: 0.875rem; padding: 0.375rem 0; }
.file-item-name { flex: 1; color: var(--color-text); font-weight: 500; }
.file-item-size { color: var(--color-muted); font-size: 0.75rem; }

/* Email note */
.email-note {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; color: var(--color-muted);
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px; margin-bottom: 1.5rem;
}

.confirmation-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.btn-secondary {
  display: inline-block; padding: 0.625rem 1.5rem;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: 8px;
  font-size: 0.9375rem; font-weight: 500; text-decoration: none;
  transition: border-color .15s, box-shadow .15s;
}
.btn-secondary:hover { border-color: #9ca3af; box-shadow: var(--shadow); }

/* Responsive */
@media (max-width: 480px) {
  .page-wrap { padding: 0 1rem 3rem; }
  .detail-row { grid-template-columns: 100px 1fr; }
  .confirmation-actions { flex-direction: column; }
  .confirmation-actions .btn-secondary { text-align: center; }
}