/* ══════════════════════════════════════════════════════════════════════════════
   SWCM — Soil & Water Conservation Monitor
   Custom CSS  —  extends Bootstrap 5.3
   Fonts: Playfair Display (headings) · Inter (body)
   ══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;1,600&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Custom Properties ───────────────────────────────────────────────────── */
:root {
  --sw-navy:        #1e3a5f;
  --sw-navy-dark:   #142843;
  --sw-teal:        #2a7f6e;
  --sw-teal-light:  #e6f4f1;
  --sw-teal-mid:    #b3ddd5;
  --sw-bg:          #f2f5f9;
  --sw-surface:     #ffffff;
  --sw-surface-2:   #f8fafc;
  --sw-border:      #d0d8e4;
  --sw-border-soft: #e8ecf2;
  --sw-text:        #1e2b40;
  --sw-text-mid:    #3d4f6a;
  --sw-muted:       #7a8ca8;
  --sw-success:     #22865a;
  --sw-danger:      #c0392b;
  --sw-warning:     #c47f17;
  --sw-pending:     #7b5ea7;

  --sw-radius:      10px;
  --sw-radius-sm:   6px;
  --sw-radius-lg:   16px;
  --sw-shadow:      0 2px 12px rgba(30,58,95,.08);
  --sw-shadow-md:   0 6px 24px rgba(30,58,95,.13);
  --sw-shadow-lg:   0 12px 40px rgba(30,58,95,.18);
  --label-spacing:  0.18em;
  --label-size:     0.665rem;
}

/* ── Base ─────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.9375rem;
  background: var(--sw-bg);
  color: var(--sw-text);
  line-height: 1.65;
  min-height: 100vh;
}

/* ── Navbar (sw-navbar class required on all pages) ──────────────────────────── */
.sw-navbar {
  background: var(--sw-navy) !important;
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 2px 16px rgba(14,27,50,.35);
}
.sw-navbar .navbar-brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.2rem;
  color: #fff !important;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.sw-navbar .brand-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--sw-teal), #3ab08f);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sw-navbar .nav-link {
  color: rgba(255,255,255,.78) !important;
  font-size: 0.82rem;
  letter-spacing: var(--label-spacing);
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.45rem 0.9rem !important;
  border-radius: var(--sw-radius-sm);
  transition: color .15s, background .15s;
}
.sw-navbar .nav-link:hover,
.sw-navbar .nav-link.active { color: #fff !important; background: rgba(255,255,255,.1); }
.sw-navbar .navbar-toggler {
  border-color: rgba(255,255,255,.3) !important;
  padding: 0.35rem 0.6rem;
}
.sw-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}
/* username in nav */
.nav-user-display {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* ── Page layout ─────────────────────────────────────────────────────────────── */
.sw-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.sw-page-wide {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.page-eyebrow {
  font-size: var(--label-size);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--sw-teal);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.page-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--sw-navy);
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1.22;
}
.page-subtitle { color: var(--sw-muted); font-size: 0.875rem; margin-bottom: 0; }

/* ── Form cards ──────────────────────────────────────────────────────────────── */
.form-card {
  background: var(--sw-surface);
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-lg);
  padding: 2.25rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--sw-shadow);
  transition: box-shadow .2s;
}
.form-card:focus-within { box-shadow: var(--sw-shadow-md); }

/* Space between form-card title and first table/content (admin panels) */
.form-card > .card-section-title,
.form-card > h2.card-section-title {
  margin-bottom: 1.25rem;
}
/* Space below card headers on all pages */
.form-card > .d-flex > .card-section-title,
.card-section-title + .obs-table-wrap,
.card-section-title + table,
.card-section-title + .row,
.card-section-title + div {
  margin-top: 1rem;
}

.card-section-header {
  display: flex; align-items: center; gap: 0.85rem;
  padding-bottom: 1.25rem; margin-bottom: 1.75rem;
  border-bottom: 1.5px solid var(--sw-border-soft);
}
.card-section-icon {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--sw-teal-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--sw-teal); font-size: 1.05rem;
}
.card-section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem; font-weight: 700; color: var(--sw-navy);
  margin: 0; line-height: 1.2;
}
.card-section-subtitle { font-size: 0.775rem; color: var(--sw-muted); margin: 0.15rem 0 0; }

/* ── Field labels ────────────────────────────────────────────────────────────── */
.field-label {
  display: block;
  font-size: var(--label-size);
  font-weight: 600;
  letter-spacing: var(--label-spacing);
  text-transform: uppercase;
  color: var(--sw-muted);
  margin-bottom: 0.42rem;
}
.field-label .required-mark { color: var(--sw-danger); margin-left: 2px; }

/* ── Form controls ───────────────────────────────────────────────────────────── */
.sw-form .form-control,
.sw-form .form-select {
  border: 1.5px solid var(--sw-border);
  border-radius: var(--sw-radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem; color: var(--sw-text);
  background: var(--sw-surface);
  padding: 0.52rem 0.85rem;
  transition: border-color .18s, box-shadow .18s;
}
.sw-form .form-control:focus,
.sw-form .form-select:focus {
  border-color: var(--sw-teal);
  box-shadow: 0 0 0 3px rgba(42,127,110,.15);
  outline: none;
}
.sw-form .form-control::placeholder { color: var(--sw-border); font-style: italic; }
.sw-form textarea.form-control { resize: vertical; min-height: 88px; line-height: 1.6; }

/* Measurement field with inline unit */
.meas-group { position: relative; }
.meas-group .form-control { padding-right: 3.8rem; }
.meas-unit {
  position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--sw-muted); pointer-events: none;
  background: var(--sw-surface); padding: 0 2px; white-space: nowrap;
}

/* Temperature toggle */
.temp-toggle {
  display: inline-flex;
  border: 1.5px solid var(--sw-border);
  border-radius: var(--sw-radius-sm);
  overflow: hidden;
}
.temp-toggle input[type="radio"] { display: none; }
.temp-toggle label {
  padding: 0.52rem 0.65rem; cursor: pointer;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--sw-muted); background: var(--sw-surface);
  transition: background .15s, color .15s; user-select: none; margin: 0;
  min-width: 2.6rem; text-align: center; white-space: nowrap;
}
.temp-toggle input:checked + label { background: var(--sw-navy); color: #fff; }

/* ── Chip groups ─────────────────────────────────────────────────────────────── */
.chip-group { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.1rem; }
.chip-section-label {
  font-size: var(--label-size); font-weight: 700;
  letter-spacing: var(--label-spacing); text-transform: uppercase;
  color: var(--sw-text-mid); margin-bottom: 0.35rem; display: block;
}

.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.38rem 0.9rem;
  border: 1.5px solid var(--sw-border);
  border-radius: 100px;
  cursor: pointer; font-size: 0.78rem; font-weight: 500;
  color: var(--sw-text-mid); background: var(--sw-surface);
  transition: all .17s ease; user-select: none; white-space: nowrap;
}
.chip:hover { border-color: var(--sw-teal); color: var(--sw-teal); background: var(--sw-teal-light); }
.chip.selected {
  border-color: var(--sw-teal); background: var(--sw-teal); color: #fff;
}
.chip-check { display: none; }
.chip.selected .chip-check { display: inline; }
.chip.selected .chip-dot  { display: none; }

/* Exclusive chips (flow, weather) — slightly different ring when active */
.chip.exclusive.selected {
  background: var(--sw-navy);
  border-color: var(--sw-navy);
  box-shadow: 0 0 0 2px rgba(30,58,95,.18);
}
.chip.exclusive:hover { border-color: var(--sw-navy); color: var(--sw-navy); background: rgba(30,58,95,.06); }
.chip.exclusive.selected:hover { background: var(--sw-navy-dark); border-color: var(--sw-navy-dark); color: #fff; }

/* Exclusive group label hint */
.chip-group-exclusive-hint {
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sw-muted); margin-bottom: 0.3rem; display: block; font-style: italic;
}

/* ── Sediment stick type toggle ──────────────────────────────────────────────── */
.stick-type-toggle {
  display: inline-flex;
  border: 1.5px solid var(--sw-border);
  border-radius: var(--sw-radius-sm);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.stick-type-toggle input[type="radio"] { display: none; }
.stick-type-toggle label {
  padding: 0.5rem 1.1rem; cursor: pointer;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  color: var(--sw-muted); background: var(--sw-surface);
  transition: background .15s, color .15s; user-select: none; margin: 0;
  border-right: 1px solid var(--sw-border);
}
.stick-type-toggle label:last-child { border-right: none; }
.stick-type-toggle input:checked + label { background: var(--sw-teal); color: #fff; border-color: var(--sw-teal); }

/* ── Dynamic rows ────────────────────────────────────────────────────────────── */
.dynamic-list { display: flex; flex-direction: column; gap: 0.6rem; }
.dynamic-row  { display: flex; align-items: center; gap: 0.55rem; }
.dynamic-row .row-number {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em;
  color: var(--sw-muted); min-width: 1.5rem; text-align: right; flex-shrink: 0;
}
.dynamic-row .form-control { flex: 1; }
.btn-row-remove {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  border: 1.5px solid var(--sw-border); background: var(--sw-surface); color: var(--sw-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem; line-height: 1; padding: 0;
  transition: border-color .15s, color .15s, background .15s;
}
.btn-row-remove:hover { border-color: var(--sw-danger); color: var(--sw-danger); background: #fdf2f2; }
.btn-row-remove:disabled { opacity: 0.3; cursor: default; }
.btn-add-row {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--sw-teal); background: none;
  border: 1.5px dashed var(--sw-teal-mid); border-radius: var(--sw-radius-sm);
  padding: 0.4rem 0.9rem; cursor: pointer; transition: all .15s; margin-top: 0.25rem;
}
.btn-add-row:hover { background: var(--sw-teal-light); border-style: solid; }
.sediment-avg-display {
  background: var(--sw-teal-light); border: 1.5px solid var(--sw-teal-mid);
  border-radius: var(--sw-radius-sm); padding: 0.55rem 0.9rem;
  font-size: 0.9rem; font-weight: 600; color: var(--sw-teal);
  letter-spacing: 0.04em; min-height: 38px; display: flex; align-items: center;
}

/* ── Submit / primary action button ─────────────────────────────────────────── */
.btn-submit, .sw-btn-primary {
  background: linear-gradient(135deg, var(--sw-navy) 0%, var(--sw-teal) 100%);
  color: #fff; border: none; letter-spacing: .06em;
  padding: .75rem 2rem; border-radius: var(--sw-radius);
  font-family: 'Inter', sans-serif;
  font-size: .78rem; text-transform: uppercase; font-weight: 700;
  cursor: pointer; transition: transform .18s, box-shadow .18s, filter .15s;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.btn-submit:hover:not(:disabled), .sw-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px); box-shadow: 0 5px 18px rgba(30,58,95,.3); filter: brightness(1.07);
}
.btn-submit:active:not(:disabled), .sw-btn-primary:active:not(:disabled) { transform: translateY(0); box-shadow: none; }
.btn-submit:disabled, .sw-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-submit .spinner-border { width: 1rem; height: 1rem; border-width: 2px; margin-right: .4rem; vertical-align: -2px; }

/* ── Alerts ──────────────────────────────────────────────────────────────────── */
.sw-alert {
  border-radius: var(--sw-radius); padding: 1rem 1.25rem; font-size: 0.875rem;
  display: flex; align-items: flex-start; gap: 0.75rem; border: 1.5px solid transparent;
}
.sw-alert-success { background: #edfbf3; border-color: #a5dfc0; color: #1a5e3a; }
.sw-alert-danger  { background: #fdf2f2; border-color: #f0b7b2; color: #8b1a1a; }
.sw-alert-info    { background: #eef6fd; border-color: #a8d4f0; color: #1a4f7a; }

/* ── Status badges ───────────────────────────────────────────────────────────── */
.sw-badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.22rem 0.7rem; border-radius: 100px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
}
.sw-badge-pending  { background: #f2eefa; color: var(--sw-pending); }
.sw-badge-approved { background: #edfbf3; color: var(--sw-success); }
.sw-badge-rejected { background: #fdf2f2; color: var(--sw-danger);  }

/* ── Stats bar ───────────────────────────────────────────────────────────────── */
.stats-bar { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-bottom: 1.75rem; }
.stat-card {
  background: var(--sw-surface); border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius); padding: 1.1rem 1.25rem; box-shadow: var(--sw-shadow);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; border-radius: 4px 0 0 4px;
}
.stat-card.total::before    { background: var(--sw-navy); }
.stat-card.pending::before  { background: var(--sw-pending); }
.stat-card.approved::before { background: var(--sw-success); }
.stat-card.rejected::before { background: var(--sw-danger); }
.stat-label { font-size: var(--label-size); font-weight: 700; letter-spacing: var(--label-spacing); text-transform: uppercase; color: var(--sw-muted); margin-bottom: 0.3rem; }
.stat-value { font-family: 'Playfair Display', Georgia, serif; font-size: 1.9rem; font-weight: 700; color: var(--sw-navy); line-height: 1; }

/* ── Filter tabs ─────────────────────────────────────────────────────────────── */
.filter-tabs { display: flex; gap: 0.4rem; border-bottom: 1.5px solid var(--sw-border); margin-bottom: 1.25rem; flex-wrap: wrap; }
.filter-tab {
  padding: 0.5rem 1.1rem; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sw-muted); background: none; border: none;
  border-bottom: 2.5px solid transparent; margin-bottom: -1.5px;
  cursor: pointer; transition: color .15s, border-color .15s;
}
.filter-tab:hover { color: var(--sw-navy); }
.filter-tab.active { color: var(--sw-teal); border-bottom-color: var(--sw-teal); }

/* ── Approval table ──────────────────────────────────────────────────────────── */
.obs-table-wrap { border-radius: var(--sw-radius-lg); overflow: hidden; border: 1px solid var(--sw-border); box-shadow: var(--sw-shadow); background: var(--sw-surface); }
.obs-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.obs-table { width: 100%; border-collapse: collapse; font-size: 0.845rem; }
.obs-table thead th {
  background: var(--sw-navy); color: rgba(255,255,255,.88);
  font-size: var(--label-size); font-weight: 600; letter-spacing: var(--label-spacing); text-transform: uppercase;
  padding: 0.85rem 1rem; border: none; white-space: nowrap;
  position: sticky; top: 0; z-index: 10; cursor: pointer; user-select: none;
}
.obs-table thead th:hover { background: var(--sw-navy-dark); }
.obs-table tbody tr { border-bottom: 1px solid var(--sw-border-soft); transition: background .12s; cursor: pointer; }
.obs-table tbody tr:last-child { border-bottom: none; }
.obs-table tbody tr:hover { background: var(--sw-teal-light); }
.obs-table td { padding: 0.75rem 1rem; vertical-align: middle; color: var(--sw-text-mid); }
.obs-table td.td-id { color: var(--sw-muted); font-size: 0.78rem; font-weight: 600; width: 60px; }
.obs-detail-row td { padding: 0; background: var(--sw-surface-2); border-top: 1.5px solid var(--sw-teal-mid); }
.obs-detail-inner { padding: 1.25rem 1.5rem; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem 1.5rem; }
.detail-field label { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sw-muted); display: block; margin-bottom: 0.2rem; }
.detail-field span  { font-size: 0.875rem; color: var(--sw-text); word-break: break-word; }
.detail-actions {
  grid-column: 1 / -1; display: flex; gap: 0.75rem; align-items: center;
  padding-top: 0.75rem; border-top: 1px solid var(--sw-border-soft); flex-wrap: wrap;
}

/* Action buttons */


/* ══════════════════════════════════════════════════════════════════════════
   SWCM Unified Button System
   Base: .sw-btn   Variants: -primary -navy -secondary -ghost
                             -success -warning -danger -danger-solid
   Sizes: (default) -sm -lg   Special: -icon (square icon btn)
   ════════════════════════════════════════════════════════════════════════ */

.sw-btn, .ws-action-btn, .btn-approve, .btn-reject, .btn-export,
.btn-detail, .btn-edit, .rip-btn, .svc-type-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 5px; border-radius: 7px; border: 1.5px solid transparent;
  font-size: .78rem; font-weight: 600; font-family: inherit;
  cursor: pointer; line-height: 1.15; white-space: nowrap;
  transition: background .14s, border-color .14s, color .14s,
              box-shadow .14s, transform .12s;
  text-decoration: none; padding: 6px 14px;
  -webkit-font-smoothing: antialiased;
}
.sw-btn:disabled, .sw-btn[disabled] { opacity: .5; cursor: not-allowed; pointer-events: none; }
.sw-btn-sm { padding: 4px 10px; font-size: .72rem; border-radius: 6px; }
.sw-btn-lg { padding: 10px 22px; font-size: .85rem; border-radius: 8px; }
.sw-btn-icon { padding: 6px; width: 32px; height: 32px; }
.sw-btn-sm.sw-btn-icon { padding: 4px; width: 26px; height: 26px; }
.sw-btn-w100 { width: 100%; }

/* Primary — navy-to-teal gradient, main CTA */
.sw-btn-primary {
  background: linear-gradient(135deg, var(--sw-navy) 0%, var(--sw-teal) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 1px 4px rgba(30,58,95,.18);
  letter-spacing: .04em;
}
.sw-btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 14px rgba(30,58,95,.28);
  transform: translateY(-1px); filter: brightness(1.07);
}
.sw-btn-primary:active:not(:disabled) { transform: translateY(0); box-shadow: none; }

/* Navy — solid dark, secondary CTAs */
.sw-btn-navy {
  background: var(--sw-navy); color: #fff; border-color: transparent;
}
.sw-btn-navy:hover:not(:disabled) { background: #162d50; }

/* Secondary — white with border, cancel/neutral */
.sw-btn-secondary {
  background: #fff; color: var(--sw-navy); border-color: #cbd5e1;
}
.sw-btn-secondary:hover:not(:disabled) { background: #f1f5f9; border-color: #94a3b8; }

/* Ghost — no border, subtle hover */
.sw-btn-ghost {
  background: transparent; color: #64748b; border-color: transparent;
}
.sw-btn-ghost:hover:not(:disabled) { background: #f1f5f9; color: #374151; }

/* Success */
.sw-btn-success {
  background: #ecfdf5; color: #065f46; border-color: #6ee7b7;
}
.sw-btn-success:hover:not(:disabled) { background: #059669; color: #fff; border-color: #059669; }

/* Success solid */
.sw-btn-success-solid {
  background: #059669; color: #fff; border-color: transparent;
}
.sw-btn-success-solid:hover:not(:disabled) { background: #047857; }

/* Warning — amber, caution actions */
.sw-btn-warning {
  background: #fffbeb; color: #92400e; border-color: #fcd34d;
}
.sw-btn-warning:hover:not(:disabled) { background: #d97706; color: #fff; border-color: #d97706; }

/* Danger — outlined red */
.sw-btn-danger {
  background: #fff7f7; color: #dc2626; border-color: #fca5a5;
}
.sw-btn-danger:hover:not(:disabled) { background: #dc2626; color: #fff; border-color: #dc2626; }

/* Danger solid */
.sw-btn-danger-solid {
  background: #dc2626; color: #fff; border-color: transparent;
}
.sw-btn-danger-solid:hover:not(:disabled) { background: #b91c1c; }

/* Teal — accent, activate / confirm */
.sw-btn-teal {
  background: var(--sw-teal-light); color: var(--sw-teal); border-color: var(--sw-teal-mid);
}
.sw-btn-teal:hover:not(:disabled) { background: var(--sw-teal); color: #fff; border-color: var(--sw-teal); }

/* ── Aliases to unify legacy class names ────────────────────────────────── */
/* ws-action-btn variants → map to sw-btn semantics */
.ws-action-btn { padding: 5px 11px; font-size: .73rem; border-radius: 6px; }
.ws-action-primary  { background: #fff; color: var(--sw-navy); border-color: #cbd5e1; }
.ws-action-primary:hover  { background: var(--sw-navy); color: #fff; border-color: var(--sw-navy); }
.ws-action-muted    { background: #fff; color: #475569; border-color: #cbd5e1; }
.ws-action-muted:hover    { background: #f1f5f9; }
.ws-action-success  { background: #ecfdf5; color: #065f46; border-color: #6ee7b7; }
.ws-action-success:hover  { background: #059669; color: #fff; border-color: #059669; }
.ws-action-warn     { background: #fffbeb; color: #92400e; border-color: #fcd34d; }
.ws-action-warn:hover     { background: #d97706; color: #fff; border-color: #d97706; }
.ws-action-danger   { background: #fff7f7; color: #dc2626; border-color: #fca5a5; }
.ws-action-danger:hover   { background: #dc2626; color: #fff; border-color: #dc2626; }

/* btn-approve / btn-reject / btn-export → sw-btn style */
.btn-approve { background: #ecfdf5; color: #065f46; border-color: #6ee7b7; }
.btn-approve:hover { background: #059669; color: #fff; border-color: #059669; }
.btn-reject  { background: #fff7f7; color: #dc2626; border-color: #fca5a5; }
.btn-reject:hover  { background: #dc2626; color: #fff; border-color: #dc2626; }
.btn-export  { background: #fff; color: var(--sw-navy); border-color: #cbd5e1; }
.btn-export:hover  { background: var(--sw-navy); color: #fff; border-color: var(--sw-navy); }

/* ── Service type selector buttons (approval modal) ─────────────────────── */
.svc-type-btn {
  background: #fff; color: #475569; border-color: #cbd5e1;
  padding: 6px 13px; border-radius: 7px;
}
.svc-type-btn:hover { background: #f8fafc; border-color: #94a3b8; color: var(--sw-navy); }
.svc-type-btn.btn-primary,
.svc-type-btn.active {
  background: var(--sw-navy); color: #fff; border-color: var(--sw-navy);
  box-shadow: 0 2px 8px rgba(30,58,95,.22);
}

/* ── Riparian setback buttons ────────────────────────────────────────────── */
.rip-btn { background: #fff; color: #475569; border-color: #cbd5e1; border-radius: 6px; }
.rip-btn:hover { background: #f1f5f9; }
.rip-btn.active { background: #0f766e; border-color: #0f766e; color: #fff; }

/* ── Modal footer buttons ────────────────────────────────────────────────── */
.modal .btn, .modal .btn-secondary, .modal .btn-danger,
.modal .btn-success, .modal .btn-warning {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 7px 16px; border-radius: 7px; font-size: .8rem;
  font-weight: 600; font-family: inherit; cursor: pointer;
  transition: background .14s, border-color .14s, color .14s; line-height: 1.15;
  border: 1.5px solid;
}
.modal .btn-secondary { background: #fff; color: #475569; border-color: #cbd5e1; }
.modal .btn-secondary:hover { background: #f1f5f9; border-color: #94a3b8; }
.modal .btn-danger    { background: #fff7f7; color: #dc2626; border-color: #fca5a5; }
.modal .btn-danger:hover    { background: #dc2626; color: #fff; }
.modal .btn-success   { background: #ecfdf5; color: #065f46; border-color: #6ee7b7; }
.modal .btn-success:hover   { background: #059669; color: #fff; }
.modal .btn-warning   { background: #fffbeb; color: #92400e; border-color: #fcd34d; }
.modal .btn-warning:hover   { background: #d97706; color: #fff; }

/* ── Section toggle headers (QHEI collapsible sections) ─────────────────── */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none; padding: .55rem 0;
  border-radius: 6px; transition: color .14s;
}
.section-header:hover h3 { color: var(--sw-teal); }
.section-header h3 {
  font-family: 'Playfair Display', serif; font-size: .95rem;
  margin: 0; color: var(--sw-navy); transition: color .14s;
  display: flex; align-items: center; gap: .5rem;
}
.section-header .sh-chevron {
  display: inline-block; transition: transform .22s ease;
  color: var(--sw-muted); flex-shrink: 0;
}
.section-header.open .sh-chevron { transform: rotate(90deg); }

/* ── Admin tab nav ───────────────────────────────────────────────────────── */
.nav-tabs .nav-link {
  color: #64748b !important; font-size: .83rem; font-weight: 600;
  letter-spacing: .04em; border-radius: 7px 7px 0 0; padding: .55rem 1.1rem;
  border: 1.5px solid transparent; transition: color .14s;
}
.nav-tabs .nav-link:hover { color: var(--sw-teal) !important; background: #f8fafc; }
.nav-tabs .nav-link.active {
  color: var(--sw-navy) !important; background: var(--sw-surface);
  border-color: var(--sw-border) var(--sw-border) var(--sw-surface);
  font-weight: 700;
}

/* ── Admin tabs ──────────────────────────────────────────────────────────────── */
.nav-tabs .nav-link { color: var(--sw-text-mid) !important; font-size: 0.88rem; font-weight: 600; letter-spacing: 0.06em; border-radius: var(--sw-radius-sm) var(--sw-radius-sm) 0 0; }
.nav-tabs .nav-link.active { color: var(--sw-navy) !important; background: var(--sw-surface); border-bottom-color: var(--sw-surface); }
.nav-tabs .nav-link:hover { color: var(--sw-teal) !important; }
.watershed-card { background: var(--sw-surface); transition: box-shadow .15s; }
.watershed-card:hover { box-shadow: 0 4px 16px rgba(30,58,95,.13); }

/* ── Modal ───────────────────────────────────────────────────────────────────── */
.sw-modal-overlay {
  position: fixed; inset: 0; background: rgba(14,27,50,.55); z-index: 2000;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  backdrop-filter: blur(3px); opacity: 0; transition: opacity .2s; pointer-events: none;
}
.sw-modal-overlay.open { opacity: 1; pointer-events: all; }
.sw-modal {
  background: var(--sw-surface); border-radius: var(--sw-radius-lg);
  box-shadow: var(--sw-shadow-lg); max-width: 520px; width: 100%; padding: 2rem;
  transform: translateY(12px); transition: transform .22s;
}
.sw-modal-overlay.open .sw-modal { transform: translateY(0); }
.sw-modal-title { font-family: 'Playfair Display', Georgia, serif; font-size: 1.2rem; color: var(--sw-navy); margin-bottom: 1.2rem; }

/* ── Auth page ───────────────────────────────────────────────────────────────── */
@keyframes riverFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.auth-page,
.auth-wrapper {
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    #0a1628 0%,
    #1e3a5f 20%,
    #0f4a3a 40%,
    #2a7f6e 55%,
    #1a5f8a 70%,
    #0f2240 85%,
    #142843 100%
  );
  background-size: 400% 400%;
  animation: riverFlow 12s ease infinite;
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
}
.auth-card {
  background: var(--sw-surface); border-radius: var(--sw-radius-lg);
  box-shadow: var(--sw-shadow-lg); padding: 2.5rem; width: 100%; max-width: 400px;
  position: relative; overflow: hidden;
}
.auth-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--sw-navy), var(--sw-teal));
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--sw-navy), var(--sw-teal));
  border-radius: 14px; display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1rem; box-shadow: 0 4px 16px rgba(30,58,95,.3);
}
.auth-logo-title { font-family: 'Playfair Display', Georgia, serif; font-size: 1.5rem; color: var(--sw-navy); font-weight: 700; margin: 0 0 0.25rem; }
.auth-logo-sub { font-size: 0.775rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sw-muted); }
.totp-input { letter-spacing: 0.35em; font-size: 1.4rem; text-align: center; font-weight: 600; }

/* ── Leaflet map ─────────────────────────────────────────────────────────────── */
#observationMap {
  height: 320px;
  border-radius: var(--sw-radius);
  border: 1px solid var(--sw-border);
  overflow: hidden;
  z-index: 0;
}
#mapWrapper { transition: opacity 0.2s; }

/* ── Divider / utility ───────────────────────────────────────────────────────── */
.sw-divider { border: none; border-top: 1.5px solid var(--sw-border-soft); margin: 0; }
.text-teal    { color: var(--sw-teal); }
.text-navy    { color: var(--sw-navy); }
.text-muted-sw { color: var(--sw-muted) !important; }
.fw-600       { font-weight: 600; }
.playfair     { font-family: 'Playfair Display', Georgia, serif; }
.font-monospace { font-family: 'SF Mono','Fira Code','Consolas',monospace !important; }

/* ── Responsive — Tablet ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sw-page, .sw-page-wide { padding: 1.25rem 0.875rem 3rem; }
  .form-card { padding: 1.25rem; border-radius: var(--sw-radius); }
  .stats-bar { grid-template-columns: repeat(2,1fr); }
  .obs-detail-inner { grid-template-columns: 1fr 1fr; }
  .chip { font-size: 0.74rem; padding: 0.32rem 0.72rem; }
  .btn-submit, .sw-btn-primary { width: 100%; justify-content: center; }
  #observationMap { height: 240px; }
}

/* ── Responsive — Mobile ─────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .page-title { font-size: 1.4rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 0.65rem; }
  .stat-value { font-size: 1.5rem; }
  .filter-tabs { gap: 0.25rem; }
  .filter-tab { font-size: 0.72rem; padding: 0.42rem 0.75rem; }
  .obs-table { font-size: 0.8rem; }
  .obs-table td, .obs-table thead th { padding: 0.6rem 0.65rem; }
  .obs-detail-inner { grid-template-columns: 1fr; }
  .detail-actions { flex-direction: column; align-items: stretch; }
  .detail-actions button { justify-content: center; }
  #observationMap { height: 190px; }
}

/* ── Mobile overflow fixes ───────────────────────────────────────────────────── */
/* Tables scroll horizontally on all viewports */
/* Detail panels inside tables wrap properly */
.obs-detail-inner {
  overflow-x: auto;
  word-break: break-word;
}

/* Modal bodies on small screens */
@media (max-width: 576px) {
  .modal-dialog {
    margin: 0.5rem;
  }
  .modal-dialog.modal-xl,
  .modal-dialog.modal-lg {
    max-width: calc(100vw - 1rem);
  }
  .modal-body {
    padding: 1rem 0.875rem;
    overflow-x: hidden;
  }
  .obs-detail-inner {
    grid-template-columns: 1fr !important;
    padding: 0.75rem !important;
  }
  /* Stick type toggle wraps on very small screens */
  .stick-type-toggle {
    flex-wrap: wrap;
  }
  /* Chip groups wrap tighter */
  .chip-group {
    gap: 0.35rem;
  }
  .chip {
    font-size: 0.72rem;
    padding: 0.28rem 0.55rem;
  }
}

/* ── HUC boundary label (Leaflet tooltip) ────────────────────────────────────── */
.huc-label {
  background: rgba(0,90,200,0.82) !important;
  border: none !important;
  border-radius: 4px !important;
  color: #fff !important;
  font-family: 'Inter', sans-serif !important;
  font-size: .68rem !important;
  font-weight: 600 !important;
  letter-spacing: .04em !important;
  padding: .18rem .45rem !important;
  pointer-events: none;
  white-space: nowrap;
  display: inline-block;
  box-shadow: 0 1px 4px rgba(0,0,0,.2) !important;
}
.huc-label::before { display: none !important; }

/* ── HUC hover label swing animation ────────────────────────────────────────── */
@keyframes swingUp {
  0%   { opacity: 0; transform: rotate(-75deg) translateY(8px) scale(0.85); }
  55%  { opacity: 1; transform: rotate(8deg)  translateY(0) scale(1.02); }
  70%  { transform: rotate(-4deg); }
  82%  { transform: rotate(3deg); }
  91%  { transform: rotate(-1.5deg); }
  96%  { transform: rotate(1deg); }
  100% { opacity: 1; transform: rotate(0deg) translateY(0) scale(1); }
}

.huc-label-hover {
  position: absolute;
  z-index: 800;
  transform-origin: 0% 100%;   /* hinge from bottom-left */
  animation: swingUp 0.55s cubic-bezier(0.23, 1, 0.32, 1) forwards;
  pointer-events: none;
  /* Inherit .huc-label appearance */
  background: rgba(0,90,200,0.82) !important;
  border: none !important;
  border-radius: 4px !important;
  color: #fff !important;
  font-family: 'Inter', sans-serif !important;
  font-size: .68rem !important;
  font-weight: 600 !important;
  letter-spacing: .04em !important;
  padding: .18rem .45rem !important;
  white-space: nowrap;
  display: inline-block;
  box-shadow: 0 1px 4px rgba(0,0,0,.2) !important;
}



/* ── Navigation dropdown ─────────────────────────────────────────────────── */
.navbar .dropdown-menu {
  border: 1.5px solid var(--sw-border); border-radius: 10px;
  box-shadow: 0 8px 28px rgba(30,58,95,.14); padding: .4rem;
  min-width: 180px; margin-top: .5rem;
}
.navbar .dropdown-item {
  border-radius: 7px; font-size: .82rem; font-weight: 500;
  padding: .5rem .85rem; color: var(--sw-navy); transition: background .12s;
}
.navbar .dropdown-item:hover:not(.disabled) {
  background: var(--sw-teal-light); color: var(--sw-teal);
}
.navbar .dropdown-item.disabled { color: #94a3b8; opacity: 1; }
.navbar .dropdown-divider { border-color: var(--sw-border-soft); margin: .3rem .4rem; }
.navbar .nav-link.dropdown-toggle { color: rgba(255,255,255,.78) !important; }
.navbar .nav-link.dropdown-toggle:hover { color: #fff !important; }