/* === Amazon Fraud Tracker — Clean Professional CSS === */

:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --danger: #d93025;
  --success: #1e8e3e;
  --warning: #f9ab00;
  --info: #1a73e8;
  --orange: #e8710a;
  --bg: #f8f9fa;
  --surface: #ffffff;
  --border: #e0e0e0;
  --text: #202124;
  --text-muted: #5f6368;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Navbar === */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.nav-brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.brand-icon { font-size: 1.3rem; }
.brand-name { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 1rem; }
.nav-link { text-decoration: none; color: var(--text-muted); font-weight: 500; padding: 0.3rem 0.5rem; border-radius: 4px; transition: all 0.15s; }
.nav-link:hover, .nav-link.active { color: var(--primary); background: rgba(26,115,232,0.08); }

/* === Main Layout === */
.main-content { flex: 1; padding: 1.5rem; max-width: 1400px; margin: 0 auto; width: 100%; }
.footer { text-align: center; padding: 1rem; color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border); }

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.5rem 1rem; border-radius: var(--radius); border: 1.5px solid transparent;
  font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(26,115,232,0.08); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b92419; }
.btn-sm { padding: 0.3rem 0.7rem; font-size: 12px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* === Badges === */
.badge {
  display: inline-block; padding: 0.2rem 0.6rem; border-radius: 20px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-lg { font-size: 13px; padding: 0.3rem 0.9rem; }
.badge-red { background: #fce8e6; color: #c5221f; }
.badge-orange { background: #fef3e2; color: #b06000; }
.badge-blue { background: #e8f0fe; color: #1a73e8; }
.badge-green { background: #e6f4ea; color: #1e8e3e; }
.badge-danger { background: #fce8e6; color: #c5221f; font-size: 12px; padding: 0.15rem 0.5rem; border-radius: 20px; }

/* === Stats Grid === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface); border-radius: var(--radius); padding: 1.2rem;
  box-shadow: var(--shadow); border-left: 4px solid var(--border); text-align: center;
}
.stat-card.stat-total { border-left-color: var(--primary); }
.stat-card.stat-open { border-left-color: var(--danger); }
.stat-card.stat-sent { border-left-color: var(--orange); }
.stat-card.stat-response { border-left-color: var(--info); }
.stat-card.stat-closed { border-left-color: var(--success); }
.stat-value { font-size: 2rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 0.25rem; font-weight: 500; }

/* === Section Cards === */
.section-card {
  background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow); margin-bottom: 1.5rem; overflow: hidden;
}
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 15px;
}
.section-header h2 { font-size: 15px; font-weight: 600; }

/* === Reminders === */
.reminders-section {
  background: #fff8e1; border: 1px solid #fdd835; border-radius: var(--radius);
  margin-bottom: 1.5rem; overflow: hidden;
}
.reminder-header { background: #fdd835; color: #333; }
.reminder-list { padding: 0.5rem; }
.reminder-item {
  display: flex; align-items: center; gap: 1rem; padding: 0.6rem 0.75rem;
  border-radius: 6px; background: rgba(255,255,255,0.7); margin-bottom: 0.3rem;
}
.reminder-item:last-child { margin-bottom: 0; }
.reminder-name { flex: 1; font-weight: 500; }
.reminder-name a { color: var(--primary); text-decoration: none; }
.reminder-date { font-size: 12px; color: var(--text-muted); }
.reminder-order { font-size: 12px; color: var(--text-muted); font-family: monospace; }
.reminder-overdue { color: var(--danger); font-weight: 700; }

/* === Filter Bar === */
.filter-bar { display: flex; gap: 0.4rem; }
.filter-btn {
  padding: 0.25rem 0.7rem; border-radius: 20px; text-decoration: none;
  font-size: 12px; font-weight: 600; border: 1.5px solid var(--border);
  color: var(--text-muted); background: var(--bg); transition: all 0.15s;
}
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.filter-btn.filter-red.active { background: var(--danger); border-color: var(--danger); }
.filter-btn.filter-orange.active { background: var(--orange); border-color: var(--orange); }
.filter-btn.filter-blue.active { background: var(--info); border-color: var(--info); }
.filter-btn.filter-green.active { background: var(--success); border-color: var(--success); }

/* === Table === */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  padding: 0.75rem 1rem; text-align: left; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted);
  background: var(--bg); border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid #f0f0f0; vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(26,115,232,0.03); }
.data-table tr.row-reminder td { background: #fff8e1; }
.td-id { font-family: monospace; font-size: 12px; color: var(--text-muted); }
.td-date { font-size: 12px; color: var(--text-muted); }
.td-mono { font-family: monospace; font-size: 12px; }
.td-actions { text-align: right; }
.td-name { min-width: 150px; }
.text-muted { color: var(--text-muted); font-size: 11px; }

/* === Empty State === */
.empty-state { text-align: center; padding: 3rem 2rem; color: var(--text-muted); }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 18px; color: var(--text); margin-bottom: 0.5rem; }
.empty-state p { margin-bottom: 1.5rem; }

/* === Page Header === */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.page-header h1 { font-size: 1.6rem; font-weight: 700; margin-top: 0.25rem; }
.page-subtitle { color: var(--text-muted); margin-top: 0.25rem; }
.page-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.back-link { color: var(--primary); text-decoration: none; font-size: 13px; display: block; margin-bottom: 0.25rem; }
.back-link:hover { text-decoration: underline; }

/* === Detail Grid === */
.detail-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 1.5rem;
}
.detail-card {
  background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border);
  padding: 1.2rem; box-shadow: var(--shadow);
}
.detail-card h3 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 0.75rem; }
.detail-card h4 { font-size: 12px; color: var(--text-muted); font-weight: 600; margin-bottom: 0.3rem; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 0.3rem 0.75rem; }
dt { font-size: 12px; color: var(--text-muted); font-weight: 600; padding-top: 0.1rem; white-space: nowrap; }
dd { font-size: 13px; color: var(--text); }
.mono { font-family: monospace; }
.fraud-reason-text, .notes-text {
  background: var(--bg); border-radius: 6px; padding: 0.75rem;
  font-size: 13px; line-height: 1.6; border: 1px solid var(--border);
}

/* === Letter Section === */
.letter-section { margin-bottom: 1.5rem; }
.letter-actions { display: flex; gap: 0.5rem; }
.letter-meta { padding: 0.4rem 1.25rem; font-size: 11px; color: var(--text-muted); background: var(--bg); border-bottom: 1px solid var(--border); }
.letter-preview {
  padding: 1.5rem 1.25rem; white-space: pre-wrap; font-family: 'Courier New', monospace;
  font-size: 12.5px; line-height: 1.8; color: var(--text);
  background: #fafafa; border-top: 1px solid var(--border); max-height: 600px;
  overflow-y: auto;
}
.empty-letter { padding: 2rem; text-align: center; color: var(--text-muted); }

/* === Forms === */
.case-form { max-width: 900px; }
.form-section {
  background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border);
  padding: 1.25rem; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.form-section-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.5rem 0.75rem; border: 1.5px solid var(--border); border-radius: 6px;
  font-size: 13px; font-family: inherit; color: var(--text); background: var(--surface);
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.12);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 0.75rem; justify-content: flex-end; padding: 1rem 0; }

/* === Inline Form === */
.inline-form-row { display: flex; gap: 0.5rem; align-items: center; padding: 0.75rem 1.25rem; flex-wrap: wrap; }
.status-select { padding: 0.45rem 0.75rem; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; }

/* === Danger Zone === */
.danger-zone { border-color: #fce8e6; }
.danger-zone h3 { padding: 1rem 1.25rem; font-size: 13px; font-weight: 700; color: var(--danger); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid #fce8e6; }
.danger-zone form { padding: 1rem 1.25rem; }

/* === Toast === */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999;
  padding: 0.75rem 1.25rem; border-radius: var(--radius); font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-md); opacity: 0; transform: translateY(10px);
  transition: all 0.25s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: #e6f4ea; color: #1e8e3e; border: 1px solid #a8d5b5; }
.toast-error { background: #fce8e6; color: #c5221f; border: 1px solid #f5b5b0; }

/* === Responsive === */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
  .main-content { padding: 1rem; }
}
@media (max-width: 500px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* === Bank Details Section === */
.bank-section { }
.bank-section h2 { padding: 1rem 1.25rem; font-size: 15px; font-weight: 700; border-bottom: 1px solid var(--border); margin: 0; }
.bank-details-grid { padding: 1rem 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.bank-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.bank-label { font-size: 12px; font-weight: 600; color: var(--text-muted); width: 140px; flex-shrink: 0; }
.bank-value { font-size: 13px; color: var(--text); }
.bank-value.mono { font-family: monospace; font-size: 13px; letter-spacing: 0.5px; }
.btn-xs { padding: 0.2rem 0.5rem; font-size: 11px; border-radius: 4px; }
.copy-btn { cursor: pointer; }

/* === Letter Section Updates === */
.letter-controls { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.demand-input-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.demand-input-row label { font-size: 13px; font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.demand-input { padding: 0.45rem 0.75rem; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; width: 130px; }
.demand-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.12); }

.prompt-header { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.25rem 0.25rem; }
.prompt-header h4 { font-size: 13px; font-weight: 600; color: var(--text-muted); margin: 0; }
.prompt-textarea { width: 100%; box-sizing: border-box; min-height: 200px; font-family: monospace; font-size: 11px; padding: 0.75rem 1.25rem; border: none; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); resize: vertical; background: #f8f9fa; color: var(--text); line-height: 1.5; }
.prompt-textarea:focus { outline: none; }

/* === Upload Sections === */
.upload-section h2 { padding: 1rem 1.25rem; font-size: 15px; font-weight: 700; border-bottom: 1px solid var(--border); margin: 0; }
.section-desc { padding: 0.5rem 1.25rem 0; font-size: 12px; color: var(--text-muted); margin: 0; }

.drop-zone {
  margin: 1rem 1.25rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: #f8f9fa;
  transition: all 0.2s;
  cursor: pointer;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: rgba(26,115,232,0.04);
}
.drop-zone-inner {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.drop-icon { font-size: 2rem; }
.drop-zone-inner p { margin: 0; font-size: 13px; color: var(--text-muted); }
.drop-hint { font-size: 11px !important; color: #aaa !important; }
.file-label { color: var(--primary); cursor: pointer; text-decoration: underline; }

.uploaded-file-info { padding: 0.75rem 1.25rem; background: #e6f4ea; border-radius: 6px; margin: 0 1.25rem 1rem; font-size: 13px; }
.file-link { color: var(--primary); text-decoration: none; font-weight: 600; }
.file-link:hover { text-decoration: underline; }

/* === Evidence Gallery === */
.evidence-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
}
.evidence-item {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.evidence-thumb {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.15s;
}
.evidence-thumb:hover { transform: scale(1.05); }
.evidence-pdf-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background: #f0f0f0;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  text-align: center;
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem;
  word-break: break-all;
}
.evidence-delete {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  padding: 0;
  border-radius: 50%;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Toast info type === */
.toast-info { background: #e8f0fe; color: #1a73e8; border: 1px solid #a8c3f5; }


/* === Letter Workflow === */
.letter-workflow { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.workflow-step { display: flex; gap: 1rem; align-items: flex-start; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.step-number { background: var(--primary); color: white; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.step-content { flex: 1; }
.step-content h4 { margin-bottom: 0.4rem; font-size: 0.95rem; }
.step-hint { font-size: 0.85rem; color: var(--text-muted); }
.gpt-output-area { width: 100%; font-family: monospace; font-size: 0.85rem; border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem; margin-bottom: 0.5rem; resize: vertical; box-sizing: border-box; }
.letter-result { background: #e8f5e9; border-color: var(--success) !important; }