/* ============================================================
   Daily Critical Check — Valley Park Farm
   Main stylesheet — plain CSS, no build step required.
   Color palette sourced from wireframes (wireframes/index.html).
   ============================================================ */

:root {
  --vp-primary:   #2F5D3A;
  --vp-primary-d: #234728;
  --vp-accent:    #6B8E23;
  --vp-bg:        #FAFAF7;
  --vp-border:    #E5E7EB;
  --vp-text-muted: #6B7280;
  --vp-red:       #DC2626;
  --vp-amber:     #F59E0B;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  background-color: var(--vp-bg);
  color: #374151;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Header / top bar ---------- */
.dcc-header {
  background: #fff;
  border-bottom: 1px solid var(--vp-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.dcc-header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.dcc-logo {
  height: 48px;
  width: auto;
  flex-shrink: 0;
}

.dcc-branding {
  line-height: 1.3;
  flex: 1 1 auto;
}

.dcc-branding-org {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--vp-text-muted);
  display: block;
}

.dcc-branding-title {
  font-size: 17px;
  font-weight: 700;
  color: #1F2937;
  display: block;
}

.dcc-user-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--vp-text-muted);
  flex-shrink: 0;
}

.dcc-user-bar strong {
  color: #374151;
}

.dcc-logout-btn {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--vp-border);
  border-radius: 5px;
  background: #fff;
  color: #374151;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
}

.dcc-logout-btn:hover {
  background: #F3F4F6;
  text-decoration: none;
}

/* ---------- Main content wrapper ---------- */
.dcc-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* ---------- Page title bar ---------- */
.dcc-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.dcc-page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--vp-primary);
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn-vp-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: var(--vp-primary);
  color: #fff !important;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
  line-height: 1.4;
}

.btn-vp-primary:hover {
  background: var(--vp-primary-d);
  text-decoration: none;
}

.btn-vp-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: #fff;
  color: #374151 !important;
  border: 1px solid var(--vp-border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s;
  line-height: 1.4;
}

.btn-vp-ghost:hover {
  background: #F9FAFB;
  text-decoration: none;
}

/* ---------- Card ---------- */
.card-vp {
  background: #fff;
  border: 1px solid var(--vp-border);
  border-radius: 10px;
  margin-bottom: 20px;
  overflow: hidden;     /* contain table bleed & clip border-radius on child table */
}

.card-vp-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--vp-border);
  font-weight: 600;
  color: #1F2937;
  font-size: 14px;
}

.card-vp-body {
  padding: 18px 20px;
}

/* ---------- Filter form ---------- */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
  align-items: end;
}

.filter-grid .filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding-top: 18px;
}

.form-label-sm {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--vp-text-muted);
  margin-bottom: 5px;
}

.form-control-vp {
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  border: 1px solid var(--vp-border);
  border-radius: 6px;
  background: #fff;
  color: #374151;
  transition: border-color .15s, box-shadow .15s;
  appearance: auto;
}

.form-control-vp:focus {
  outline: none;
  border-color: var(--vp-primary);
  box-shadow: 0 0 0 3px rgba(47, 93, 58, .12);
}

/* ---------- Table ---------- */
.table-vp-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -20px;
  padding: 0 20px;
}

.table-vp {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 14px;
}

.table-vp thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--vp-text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--vp-border);
  white-space: nowrap;
}

.table-vp tbody tr {
  border-bottom: 1px solid var(--vp-border);
  cursor: pointer;
  transition: background .1s;
}

.table-vp tbody tr:last-child {
  border-bottom: none;
}

.table-vp tbody tr:hover {
  background: #F0F7F1;
}

.table-vp td {
  padding: 12px 12px;
  vertical-align: middle;
}

.table-vp td:first-child {
  font-weight: 600;
  color: #1F2937;
  white-space: nowrap;
}

/* ---------- Chips / badges ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.chip-red    { background: #FEE2E2; color: #B91C1C; }
.chip-amber  { background: #FEF3C7; color: #92400E; }
.chip-green  { background: #D1FAE5; color: #065F46; }
.chip-grey   { background: #F3F4F6; color: #4B5563; }

/* ---------- Pagination ---------- */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 14px;
  font-size: 13px;
  color: var(--vp-text-muted);
}

.pagination-links {
  display: flex;
  gap: 4px;
}

.page-link {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--vp-border);
  border-radius: 5px;
  font-size: 13px;
  color: #374151;
  background: #fff;
  text-decoration: none;
  transition: background .1s;
}

.page-link:hover {
  background: #F3F4F6;
  text-decoration: none;
}

.page-link.active {
  background: var(--vp-primary);
  color: #fff;
  border-color: var(--vp-primary);
}

.page-link.disabled {
  color: #9CA3AF;
  pointer-events: none;
  background: #F9FAFB;
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 52px 20px;
  color: var(--vp-text-muted);
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: .4;
}

.empty-state p {
  margin: 0;
  font-size: 15px;
}

/* ---------- Django messages ---------- */
.messages-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.message-item {
  padding: 12px 16px;
  border-radius: 7px;
  border-left: 4px solid;
  font-size: 14px;
  margin-bottom: 8px;
}

.message-item.success  { background: #F0FDF4; border-color: #22C55E; color: #166534; }
.message-item.error,
.message-item.danger   { background: #FEF2F2; border-color: var(--vp-red); color: #991B1B; }
.message-item.warning  { background: #FFFBEB; border-color: var(--vp-amber); color: #92400E; }
.message-item.info     { background: #EFF6FF; border-color: #3B82F6; color: #1E40AF; }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-card-header {
  text-align: center;
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--vp-border);
}

.login-logo {
  height: 60px;
  width: auto;
  margin-bottom: 14px;
}

.login-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--vp-primary);
  margin: 0;
}

.login-card-subtitle {
  font-size: 12px;
  color: var(--vp-text-muted);
  margin: 4px 0 0;
}

.login-card-body {
  padding: 24px;
}

.login-field {
  margin-bottom: 16px;
}

.login-help {
  text-align: center;
  font-size: 12px;
  color: var(--vp-text-muted);
  margin-top: 14px;
}

.login-error {
  background: #FEF2F2;
  border-left: 4px solid var(--vp-red);
  color: #991B1B;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* ---------- Utility ---------- */
.text-muted { color: var(--vp-text-muted); }
.text-primary { color: var(--vp-primary); }
.fw-600 { font-weight: 600; }
.d-flex { display: flex; }
.gap-2  { gap: 8px; }
.mt-1   { margin-top: 4px; }
.mb-0   { margin-bottom: 0; }

/* Visually-hidden but readable by screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Form input error state (login / future tab forms) */
.form-control-vp--error {
  border-color: var(--vp-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, .12);
}

/* ---------- Responsive adjustments ---------- */
@media (max-width: 640px) {
  .dcc-user-bar .dcc-user-name { display: none; }
  .dcc-main { padding: 16px 14px 32px; }
  .card-vp-body { padding: 14px 14px; }
  .table-vp td, .table-vp thead th { padding: 10px 8px; }
  .dcc-page-header { flex-direction: column; align-items: flex-start; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 400px) {
  .filter-grid { grid-template-columns: 1fr; }
  .btn-vp-primary, .btn-vp-ghost { padding: 10px 14px; font-size: 15px; }
}

/* ============================================================
   Milestone 2 additions — Tab UI, Critical 5 form, Signature
   canvas, Ammonia image upload, Create flow extras
   ============================================================ */

/* ── Tab navigation ──────────────────────────────────────────────────────── */
.tab-nav-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 2px solid var(--vp-border);
  background: #fff;
  border-radius: 10px 10px 0 0;
}
.tab-nav-wrap::-webkit-scrollbar { display: none; }

.tab-nav {
  display: flex;
  min-width: max-content;
}

.tab-btn {
  padding: 13px 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  color: var(--vp-text-muted);
  cursor: pointer;
  white-space: nowrap;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
  line-height: 1.4;
}
.tab-btn:hover  { color: #1F2937; }
.tab-btn:focus  { outline: 2px solid var(--vp-primary); outline-offset: -2px; }
.tab-btn.active {
  color: var(--vp-primary);
  border-bottom-color: var(--vp-primary);
}

.tab-pane        { display: none; padding: 20px; }
.tab-pane.active { display: block; }

/* ── Record header band (detail page top) ────────────────────────────────── */
.record-header-band {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 20px;
  background: #F0F7F1;
  border: 1px solid var(--vp-border);
  border-radius: 8px;
  font-size: 13px;
  color: #374151;
  margin-bottom: 16px;
}
.record-header-farm {
  font-size: 16px;
  font-weight: 700;
  color: var(--vp-primary);
}
.record-header-sep { color: #9CA3AF; margin: 0 2px; }
.record-lock-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #FEF3C7;
  color: #92400E;
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
}

/* ── Recheck banner ──────────────────────────────────────────────────────── */
.recheck-banner {
  background: #FEF2F2;
  border-left: 4px solid var(--vp-red);
  color: #991B1B;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 0 6px 6px 0;
  margin-bottom: 16px;
}

/* ── Critical 5 read-only header grid ────────────────────────────────────── */
.c5-header-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--vp-border);
}
.c5-header-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--vp-text-muted);
  margin-bottom: 3px;
}
.c5-header-value {
  font-size: 15px;
  font-weight: 600;
  color: #1F2937;
}

/* ── Critical 5 section cards ────────────────────────────────────────────── */
.c5-section {
  border: 1px solid var(--vp-border);
  border-radius: 8px;
  margin-bottom: 14px;
  overflow: hidden;
}
.c5-section-header {
  padding: 9px 14px;
  border-bottom: 1px solid var(--vp-border);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--vp-text-muted);
  background: #F9FAFB;
}
.c5-section-body { padding: 14px; }

/* ── Field grids (1-col → 2-col → 3-col → 4-col) ────────────────────────── */
.c5-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.c5-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.c5-grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; }

/* ── Field flag highlight ─────────────────────────────────────────────────── */
.field-flagged .form-control-vp {
  border-color: var(--vp-red) !important;
  background-color: #FEF2F2 !important;
}
.field-flagged .form-label-sm { color: var(--vp-red); }

.field-flag-msg {
  color: var(--vp-red);
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
  line-height: 1.4;
  display: none;
}

/* ── Ammonia image upload ─────────────────────────────────────────────────── */
.ammonia-photos-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--vp-text-muted);
  margin: 12px 0 6px;
}
.ammonia-thumb-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: flex-start;
  min-height: 10px;
}
.ammonia-thumb {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}
.ammonia-thumb a { display: block; }
.ammonia-thumb a img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--vp-border);
  display: block;
  transition: opacity .15s;
}
.ammonia-thumb a:hover img { opacity: .8; }
.ammonia-thumb-del {
  position: absolute;
  top: -7px;
  right: -7px;
  width: 20px;
  height: 20px;
  border-radius: 9999px;
  background: var(--vp-red);
  color: #fff;
  border: 2px solid #fff;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: background .15s;
}
.ammonia-thumb-del:hover { background: #B91C1C; }

.ammonia-upload-btn {
  width: 64px;
  height: 64px;
  border: 2px dashed var(--vp-border);
  border-radius: 6px;
  background: #F9FAFB;
  color: var(--vp-text-muted);
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  transition: border-color .15s, background .15s, color .15s;
  flex-shrink: 0;
}
.ammonia-upload-btn:hover:not(:disabled) {
  border-color: var(--vp-primary);
  background: #F0F7F1;
  color: var(--vp-primary);
}
.ammonia-upload-icon { font-size: 20px; line-height: 1; }
.ammonia-progress {
  font-size: 11px;
  color: var(--vp-text-muted);
  margin-top: 6px;
}

/* ── Signature canvas ─────────────────────────────────────────────────────── */
.sig-wrap {
  border: 1px solid var(--vp-border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}
.sig-canvas {
  display: block;
  width: 100%;
  height: 100px;
  cursor: crosshair;
  touch-action: none;
  background: #FEFEF9;
}
.sig-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: #F9FAFB;
  border-top: 1px solid var(--vp-border);
}
.sig-status {
  font-size: 11px;
  color: var(--vp-text-muted);
  flex: 1 1 auto;
}
.sig-status.signed   { color: #059669; font-weight: 600; }
.sig-clear-btn {
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--vp-border);
  border-radius: 5px;
  background: #fff;
  color: #374151;
  cursor: pointer;
  transition: background .12s;
}
.sig-clear-btn:hover { background: #F3F4F6; }

/* ── Tab save bar ─────────────────────────────────────────────────────────── */
.tab-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0 0;
  border-top: 1px solid var(--vp-border);
  margin-top: 20px;
  flex-wrap: wrap;
}
.tab-save-status     { font-size: 13px; color: var(--vp-text-muted); flex: 1 1 auto; }
.tab-save-status.ok  { color: #059669; font-weight: 600; }
.tab-save-status.err { color: var(--vp-red); font-weight: 600; }

/* ── Create form extras ───────────────────────────────────────────────────── */
.create-date-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.create-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.duplicate-warning {
  background: #FFFBEB;
  border-left: 4px solid var(--vp-amber);
  color: #92400E;
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  font-size: 13px;
  margin-bottom: 14px;
  display: none;
}
.duplicate-warning a { color: inherit; font-weight: 700; }

/* ── Locked form — all inputs inert ──────────────────────────────────────── */
.form-locked .form-control-vp[disabled] {
  background: #F9FAFB;
  color: #6B7280;
  cursor: not-allowed;
}
.form-locked .sig-canvas { cursor: not-allowed; opacity: .6; }

/* ── Stub tab (upcoming milestones placeholder) ───────────────────────────── */
.tab-stub {
  text-align: center;
  padding: 52px 20px;
  color: var(--vp-text-muted);
}
.tab-stub-icon { font-size: 36px; margin-bottom: 10px; opacity: .35; }
.tab-stub p    { margin: 0; font-size: 14px; }

/* ── Ammonia slot wrapper (contains select + images) ─────────────────────── */
.ammonia-slot { display: flex; flex-direction: column; }

/* ── Responsive — Mobile-first adjustments ───────────────────────────────── */
@media (max-width: 640px) {
  .tab-btn              { padding: 12px 14px; font-size: 12px; }
  .c5-grid-4            { grid-template-columns: 1fr 1fr; }
  .c5-grid-3            { grid-template-columns: 1fr 1fr; }
  .c5-header-grid       { grid-template-columns: 1fr 1fr; }
  .tab-pane             { padding: 14px; }
  .c5-section-body      { padding: 12px; }
  .record-header-band   { padding: 10px 14px; font-size: 12px; }
  .record-header-farm   { font-size: 14px; }
}

@media (max-width: 400px) {
  .c5-grid-2            { grid-template-columns: 1fr; }
  .c5-grid-3            { grid-template-columns: 1fr; }
  .c5-grid-4            { grid-template-columns: 1fr 1fr; }
  .create-date-row      { grid-template-columns: 1fr; }
  .create-fields-grid   { grid-template-columns: 1fr; }
  .sig-canvas           { height: 80px; }
}