/* ===================================================
   VTR – Vehicle Travel Report  |  front.css
   =================================================== */

:root {
  --vtr-primary: #1a6fcf;
  --vtr-primary-dark: #1558a8;
  --vtr-accent: #f59e0b;
  --vtr-success: #10b981;
  --vtr-danger: #ef4444;
  --vtr-warn: #f59e0b;
  --vtr-bg: #f8fafc;
  --vtr-surface: #ffffff;
  --vtr-border: #e2e8f0;
  --vtr-text: #1e293b;
  --vtr-muted: #64748b;
  --vtr-radius: 10px;
  --vtr-shadow: 0 1px 6px rgba(0,0,0,.08);
  --vtr-shadow-lg: 0 8px 32px rgba(0,0,0,.14);
}

.vtr-wrap * { box-sizing: border-box; }
.vtr-wrap { font-family: 'Sarabun', 'Noto Sans Thai', sans-serif; color: var(--vtr-text); }

/* ---- HEADER ---- */
.vtr-header {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, #1a6fcf 0%, #0f4c9e 100%);
  color: #fff; border-radius: var(--vtr-radius); padding: 20px 24px; margin-bottom: 20px;
}
.vtr-header-icon { font-size: 36px; }
.vtr-title  { margin: 0; font-size: 22px; font-weight: 700; }
.vtr-subtitle { margin: 4px 0 0; font-size: 13px; opacity: .8; }
.vtr-header .vtr-btn-primary { margin-left: auto; white-space: nowrap; }

/* ---- BUTTONS ---- */
.vtr-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; border: none; transition: all .15s; text-decoration: none;
}
.vtr-btn-primary { background: var(--vtr-primary); color: #fff; }
.vtr-btn-primary:hover { background: var(--vtr-primary-dark); color: #fff; }
.vtr-btn-secondary { background: var(--vtr-border); color: var(--vtr-text); }
.vtr-btn-secondary:hover { background: #cbd5e1; }
.vtr-btn-ghost { background: transparent; color: var(--vtr-muted); border: 1px solid var(--vtr-border); }
.vtr-btn-ghost:hover { background: var(--vtr-bg); }

.vtr-btn-icon {
  background: none; border: none; cursor: pointer; font-size: 15px;
  padding: 4px 6px; border-radius: 6px; transition: background .15s;
}
.vtr-btn-icon:hover { background: var(--vtr-bg); }

/* ---- STATS CARDS ---- */
.vtr-stats-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.vtr-stat-card {
  flex: 1 1 200px; display: flex; gap: 14px; align-items: center;
  background: var(--vtr-surface); border: 1px solid var(--vtr-border);
  border-radius: var(--vtr-radius); padding: 16px 20px;
  box-shadow: var(--vtr-shadow);
}
.vtr-stat-icon { font-size: 36px; }
.vtr-stat-name { font-weight: 700; font-size: 15px; }
.vtr-stat-plate { color: var(--vtr-muted); font-size: 12px; margin: 2px 0 8px; }
.vtr-stat-nums { display: flex; gap: 12px; font-size: 13px; color: var(--vtr-primary); font-weight: 600; }

/* ---- FILTER ---- */
.vtr-filter {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  background: var(--vtr-surface); border: 1px solid var(--vtr-border);
  border-radius: var(--vtr-radius); padding: 14px 16px; margin-bottom: 16px;
}
.vtr-filter select, .vtr-filter input[type="date"] {
  border: 1px solid var(--vtr-border); border-radius: 6px; padding: 7px 10px;
  font-size: 14px; background: var(--vtr-bg); color: var(--vtr-text);
}

/* ---- TABLE ---- */
.vtr-table-wrap {
  background: var(--vtr-surface); border: 1px solid var(--vtr-border);
  border-radius: var(--vtr-radius); overflow: hidden; box-shadow: var(--vtr-shadow);
}
.vtr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.vtr-table thead tr { background: #f1f5f9; }
.vtr-table th { padding: 12px 14px; text-align: left; font-weight: 600; color: var(--vtr-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--vtr-border); }
.vtr-table td { padding: 12px 14px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.vtr-table tbody tr:last-child td { border-bottom: none; }
.vtr-table tbody tr:hover { background: #f8fafc; }

.vtr-num { text-align: right; font-variant-numeric: tabular-nums; }
.vtr-na { color: #c0ccd8; }
.vtr-date { font-size: 13px; }
.vtr-date-sep { color: var(--vtr-muted); margin: 0 4px; }
.vtr-destination { font-weight: 600; }
.vtr-purpose { font-size: 12px; color: var(--vtr-muted); margin-top: 2px; }
.vtr-vehicle-badge { font-size: 13px; font-weight: 600; }
.vtr-doc-count { cursor: pointer; }
.vtr-actions { white-space: nowrap; }

/* Status badges */
.vtr-status {
  display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.vtr-status-draft     { background: #fef3c7; color: #92400e; }
.vtr-status-completed { background: #d1fae5; color: #065f46; }
.vtr-status-approved  { background: #dbeafe; color: #1e40af; }

/* ---- EMPTY ---- */
.vtr-empty { text-align: center; padding: 48px; color: var(--vtr-muted); }
.vtr-empty-icon { font-size: 48px; display: block; margin-bottom: 12px; }

/* ---- PAGINATION ---- */
.vtr-pagination { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.vtr-page-btn {
  padding: 6px 12px; border-radius: 6px; border: 1px solid var(--vtr-border);
  color: var(--vtr-text); text-decoration: none; font-size: 13px; transition: all .15s;
}
.vtr-page-btn.active, .vtr-page-btn:hover { background: var(--vtr-primary); color: #fff; border-color: var(--vtr-primary); }

/* ---- MODAL ---- */
.vtr-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; }
.vtr-modal-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.5); backdrop-filter: blur(2px); }
.vtr-modal-box {
  position: relative; z-index: 1; background: var(--vtr-surface);
  border-radius: 14px; box-shadow: var(--vtr-shadow-lg); width: 100%;
  max-height: calc(100vh - 80px); overflow-y: auto;
  animation: vtrSlideUp .2s ease;
}
.vtr-modal-lg { max-width: 780px; }
@keyframes vtrSlideUp { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }
.vtr-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--vtr-border);
  position: sticky; top: 0; background: var(--vtr-surface); z-index: 2;
}
.vtr-modal-header h3 { margin: 0; font-size: 18px; font-weight: 700; }
.vtr-modal-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--vtr-muted); padding: 4px 8px; border-radius: 6px; }
.vtr-modal-close:hover { background: var(--vtr-bg); }
.vtr-modal-body { padding: 24px; }

/* ---- FORM ---- */
.vtr-form-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.vtr-col-2   { grid-column: span 3; }
.vtr-col-3   { grid-column: span 2; }
.vtr-col-full{ grid-column: span 6; }
@media (max-width: 680px) {
  .vtr-col-2, .vtr-col-3, .vtr-col-full { grid-column: span 6; }
}

.vtr-field label { display: block; font-size: 13px; font-weight: 600; color: var(--vtr-muted); margin-bottom: 6px; }
.vtr-field input, .vtr-field select, .vtr-field textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--vtr-border); border-radius: 8px;
  font-size: 14px; background: var(--vtr-bg); color: var(--vtr-text); transition: border .15s;
}
.vtr-field input:focus, .vtr-field select:focus, .vtr-field textarea:focus {
  outline: none; border-color: var(--vtr-primary); box-shadow: 0 0 0 3px rgba(26,111,207,.1);
}
.vtr-req { color: var(--vtr-danger); }
.vtr-calc-hint { display: block; margin-top: 4px; font-size: 12px; color: var(--vtr-primary); font-weight: 600; }

/* ---- UPLOAD ZONE ---- */
.vtr-upload-zone {
  border: 2px dashed var(--vtr-border); border-radius: 10px; padding: 28px;
  text-align: center; background: var(--vtr-bg); cursor: pointer; transition: all .2s;
}
.vtr-upload-zone.drag-over { border-color: var(--vtr-primary); background: #eff6ff; }
.vtr-upload-icon { font-size: 32px; display: block; margin-bottom: 8px; }
.vtr-upload-zone p { margin: 4px 0; color: var(--vtr-muted); font-size: 14px; }
.vtr-upload-link { color: var(--vtr-primary); cursor: pointer; font-weight: 600; }
.vtr-upload-link:hover { text-decoration: underline; }
.vtr-upload-hint { font-size: 12px !important; }

.vtr-file-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.vtr-file-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--vtr-surface); border: 1px solid var(--vtr-border);
  border-radius: 8px; padding: 8px 12px; font-size: 13px;
}
.vtr-file-item .vtr-file-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vtr-file-item .vtr-file-type { flex-shrink: 0; }
.vtr-file-item select { padding: 4px 8px; font-size: 12px; border-radius: 4px; border: 1px solid var(--vtr-border); }
.vtr-file-item .vtr-remove-file { background: none; border: none; cursor: pointer; color: var(--vtr-danger); font-size: 16px; }

/* Cost summary */
.vtr-cost-summary {
  background: #eff6ff; border-left: 4px solid var(--vtr-primary);
  border-radius: 6px; padding: 10px 16px; margin-top: 16px; font-size: 14px;
}

.vtr-form-actions {
  display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px;
  padding-top: 16px; border-top: 1px solid var(--vtr-border);
}

/* ---- VIEW DETAIL ---- */
.vtr-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.vtr-detail-item { }
.vtr-detail-label { font-size: 12px; color: var(--vtr-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.vtr-detail-value { font-size: 15px; font-weight: 600; margin-top: 2px; }
.vtr-detail-docs { margin-top: 16px; }
.vtr-detail-docs h4 { font-size: 14px; margin: 0 0 10px; }
.vtr-doc-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.vtr-doc-thumb {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: var(--vtr-bg); border: 1px solid var(--vtr-border);
  border-radius: 8px; text-decoration: none; color: var(--vtr-text); font-size: 13px;
}
.vtr-doc-thumb:hover { border-color: var(--vtr-primary); color: var(--vtr-primary); }

/* ---- LOADING ---- */
.vtr-loading { text-align: center; padding: 40px; color: var(--vtr-muted); }