/* ════════════════════════════════════════
   ITW Trip Explorer — Styles
   ════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg:           #f0f2f5;
  --surface:      #ffffff;
  --header-bg:    #0e1f0f;
  --header-text:  #ffffff;
  --accent:       #3a9e5f;
  --accent-hover: #2d7a4a;
  --text:         #212121;
  --text-muted:   #6b7280;
  --border:       #e5e7eb;
  --shadow:       0 2px 8px rgba(0,0,0,0.12);
  --shadow-lg:    0 4px 20px rgba(0,0,0,0.18);
  --radius:       8px;
  --radius-sm:    4px;

  /* Skill level colors */
  --beginner:     #22c55e;
  --intermediate: #f59e0b;
  --advanced:     #ef4444;
  --unknown:      #9ca3af;

  /* Pin colors */
  --pin-default:  #3a9e5f;
  --pin-selected: #ef4444;

  /* Layout */
  --header-h:     56px;
  --footer-h:     32px;
  --panel-w:      360px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
.hidden { display: none !important; }

/* ── Loading overlay ── */
#loading-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--header-bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; color: var(--header-text);
  font-size: 15px; font-weight: 500;
  transition: opacity 0.4s;
}
#loading-overlay.fade-out { opacity: 0; pointer-events: none; }

.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error banner ── */
#error-banner {
  position: fixed; top: var(--header-h); left: 0; right: 0; z-index: 1000;
  background: #fee2e2; border-bottom: 1px solid #fca5a5;
  color: #991b1b; padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
}
#error-banner.hidden { display: none; }
#error-close { background: none; border: none; cursor: pointer; font-size: 18px; color: #991b1b; line-height: 1; }

/* ── Header ── */
#app-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: var(--header-h);
  background: var(--header-bg);
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px;
  box-shadow: var(--shadow);
}

.header-left {
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.header-logo { font-size: 20px; }
.header-title {
  font-size: 17px; font-weight: 700;
  color: var(--header-text); letter-spacing: -0.3px;
}

.header-center { flex: 1; min-width: 0; max-width: 480px; margin: 0 auto; }

.search-wrapper {
  position: relative; display: flex; align-items: center;
}
.search-icon {
  position: absolute; left: 10px;
  width: 16px; height: 16px;
  color: var(--text-muted); pointer-events: none;
}
#search-input {
  width: 100%; padding: 7px 32px 7px 34px;
  border: none; border-radius: var(--radius);
  background: rgba(255,255,255,0.12);
  color: var(--header-text); font-size: 13px;
  outline: none; transition: background 0.2s;
}
#search-input::placeholder { color: rgba(255,255,255,0.5); }
#search-input:focus { background: rgba(255,255,255,0.2); }
#search-clear {
  position: absolute; right: 8px;
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,0.6); font-size: 18px; line-height: 1;
  padding: 0 2px;
}
#search-clear:hover { color: var(--header-text); }
#search-clear.hidden { display: none; }

.header-right {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 3px; white-space: nowrap;
}

.view-toggle { display: flex; gap: 4px; }
.view-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 10px; border: none; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7);
  cursor: pointer; font-size: 12px; font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.view-btn svg { width: 14px; height: 14px; }
.view-btn:hover { background: rgba(255,255,255,0.2); color: var(--header-text); }
.view-btn.active { background: var(--accent); color: var(--header-text); }

.header-meta {
  display: flex; gap: 10px;
  font-size: 11px; color: rgba(255,255,255,0.45);
}

/* ── Main layout ── */
#app-main {
  position: fixed;
  top: var(--header-h);
  bottom: var(--footer-h);
  left: 0; right: 0;
  overflow: hidden;
}

.view-panel { width: 100%; height: 100%; }
.view-panel.hidden { display: none; }

/* ── Footer ── */
#app-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--footer-h); z-index: 100;
  background: var(--header-bg);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  font-size: 11px; color: rgba(255,255,255,0.4);
}

/* ════════════════════════════════════════
   MAP VIEW
   ════════════════════════════════════════ */

#map-view { position: relative; }

#map {
  width: 100%; height: 100%;
  background: #e8e8e8;
}

/* Leaflet popup overrides */
.leaflet-popup-content-wrapper {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0;
  overflow: hidden;
}
.leaflet-popup-content { margin: 0; }
.popup-mini {
  padding: 10px 14px;
  font-size: 13px; font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  max-width: 200px;
}
.popup-mini .popup-level { margin-top: 4px; }

/* Custom pin icons */
.pin-icon {
  display: flex; align-items: center; justify-content: center;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid rgba(255,255,255,0.8);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}
.pin-icon.selected {
  transform: rotate(-45deg) scale(1.3);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  z-index: 1000 !important;
}

/* ── Trip detail panel ── */
.trip-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: var(--panel-w); max-width: 100%;
  background: var(--surface);
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 400;
}
.trip-panel.open { transform: translateX(0); }
.trip-panel.hidden { display: none; }

.panel-close {
  position: absolute; top: 12px; right: 12px;
  width: 28px; height: 28px;
  background: var(--bg); border: none; border-radius: 50%;
  cursor: pointer; font-size: 18px; line-height: 1;
  color: var(--text-muted); display: flex; align-items: center; justify-content: center;
  z-index: 1; transition: background 0.15s;
}
.panel-close:hover { background: var(--border); color: var(--text); }

/* ── Trip panel content ── */
.panel-hero {
  background: linear-gradient(135deg, var(--header-bg), #1a3d1c);
  color: white;
  padding: 20px 16px 16px;
  min-height: 90px;
}
.panel-title {
  font-size: 16px; font-weight: 700;
  line-height: 1.3; margin-bottom: 8px;
  padding-right: 24px;
}
.panel-location {
  font-size: 13px; opacity: 0.8;
  display: flex; align-items: center; gap: 4px;
}

.panel-body { padding: 14px 16px; }

.panel-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-bottom: 14px;
}
.stat-card {
  background: var(--bg); border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.stat-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 3px; }
.stat-value { font-size: 13px; font-weight: 600; }

.panel-section { margin-bottom: 14px; }
.panel-section-title {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted); margin-bottom: 6px;
  border-bottom: 1px solid var(--border); padding-bottom: 4px;
}
.panel-section-body { font-size: 13px; line-height: 1.6; color: var(--text); }

.panel-map-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; margin-top: 4px;
  background: var(--accent); color: white;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 12px; font-weight: 600;
  transition: background 0.15s;
  text-decoration: none;
}
.panel-map-btn:hover { background: var(--accent-hover); }

/* ════════════════════════════════════════
   TABLE VIEW
   ════════════════════════════════════════ */

#table-view {
  display: flex; flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}
#table-view.hidden { display: none; }

.filter-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap; flex-shrink: 0;
}

.filter-bar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* ── Column filter pills ── */
.column-filter-pills {
  display: flex; flex-wrap: wrap; gap: 5px; align-items: center;
}
.filter-pill {
  display: inline-flex; align-items: center; gap: 2px;
  background: #e8f5ec; border: 1px solid #a3d4b0;
  border-radius: 20px; padding: 3px 4px 3px 10px;
  font-size: 12px; white-space: nowrap;
}
.filter-pill-col { font-weight: 700; color: var(--accent); }
.filter-pill-sep { color: var(--text-muted); margin: 0 1px; }
.filter-pill-val { color: var(--text); max-width: 140px; overflow: hidden; text-overflow: ellipsis; }
.filter-pill-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 15px; line-height: 1;
  padding: 1px 5px; margin-left: 2px; border-radius: 50%;
  transition: background 0.1s, color 0.1s;
}
.filter-pill-remove:hover { background: #a3d4b0; color: var(--accent); }
.filter-clear-all {
  background: none; border: none; cursor: pointer;
  font-size: 11px; color: var(--text-muted); padding: 3px 6px;
  border-radius: 20px; text-decoration: underline; transition: color 0.1s;
}
.filter-clear-all:hover { color: var(--accent); }

/* ── Add filter dropdown ── */
.col-filter { position: relative; }
.col-filter-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  width: 260px; z-index: 200;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 12px; animation: fadeIn 0.1s ease;
}
.col-filter-form { display: flex; flex-direction: column; gap: 8px; }
.col-filter-form select,
.col-filter-form input[type="text"] {
  width: 100%; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text); background: var(--bg);
  outline: none; transition: border-color 0.15s;
}
.col-filter-form select:focus,
.col-filter-form input[type="text"]:focus { border-color: var(--accent); }
.col-filter-form button {
  width: 100%; padding: 7px;
  background: var(--accent); color: white;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px; font-weight: 600;
  transition: background 0.15s;
}
.col-filter-form button:hover { background: var(--accent-hover); }

/* ── Column chooser ── */
.col-chooser { position: relative; }

.col-chooser-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 10px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--surface);
  cursor: pointer; font-size: 12px; font-weight: 600;
  color: var(--text-muted); transition: all 0.15s;
}
.col-chooser-btn:hover { border-color: var(--accent); color: var(--accent); }
.col-chooser-btn.open { border-color: var(--accent); color: var(--accent); background: #f0f7f2; }

.col-chooser-dropdown {
  position: absolute; top: calc(100% + 4px); right: 0;
  min-width: 180px; z-index: 200;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px 0;
  animation: fadeIn 0.1s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.col-chooser-dropdown label {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; font-size: 13px; cursor: pointer;
  color: var(--text); transition: background 0.1s;
}
.col-chooser-dropdown label:hover { background: var(--bg); }
.col-chooser-dropdown input[type="checkbox"] {
  width: 14px; height: 14px; accent-color: var(--accent); cursor: pointer;
}

/* ── Table split layout ── */
.table-split {
  flex: 1; display: flex; min-height: 0; overflow: hidden;
}

.table-wrapper {
  flex: 1; overflow-y: auto; min-width: 0;
}

/* ── Table detail panel (right side) ── */
.table-detail-panel {
  width: 360px; flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
  position: relative;
  transition: width 0.25s ease;
}
.table-detail-panel.hidden { display: none; }

/* ── Trips table ── */
#trips-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
}
#trips-table thead {
  background: var(--surface);
}
#trips-table th {
  position: sticky; top: 0; z-index: 10;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  padding: 10px 14px;
  text-align: left; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted); border-bottom: 2px solid var(--border);
  white-space: nowrap; cursor: pointer; user-select: none;
  transition: color 0.15s, background 0.15s;
}
#trips-table th:hover { color: var(--accent); background: #f3f8f4; }
#trips-table th.sort-active { color: var(--accent); border-bottom-color: var(--accent); }
.sort-arrow { margin-left: 4px; font-size: 10px; opacity: 0.8; }

#trips-table td {
  padding: 10px 14px; font-size: 13px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
#trips-table tbody tr {
  cursor: pointer; transition: background 0.12s;
}
#trips-table tbody tr:hover { background: #f3f8f4; }
#trips-table tbody tr.selected { background: #e8f5ec; border-left: 3px solid var(--accent); }

/* Cell overflow handling */
#trips-table td {
  max-width: 240px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
#trips-table td:first-child { font-weight: 600; }
#trips-table td.td-muted { color: var(--text-muted); }


#no-results {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted); font-size: 14px;
}
#no-results.hidden { display: none; }

/* ════════════════════════════════════════
   MOBILE — responsive
   ════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --header-h: 104px; /* two-row header on mobile */
  }

  #app-header {
    flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 8px;
  }
  .header-left { flex: 1; }
  .header-center { order: 3; width: 100%; max-width: 100%; }
  .header-right { flex-direction: row; align-items: center; gap: 8px; }
  .header-meta { display: none; }

  .header-title { font-size: 15px; }

  /* Panel slides up from bottom on mobile */
  .trip-panel {
    top: auto; right: 0; bottom: 0; left: 0;
    width: 100%; height: 65vh;
    transform: translateY(100%);
    border-radius: var(--radius) var(--radius) 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  }
  .trip-panel.open { transform: translateY(0); }

  .filter-bar { padding: 8px 12px; }
  .filter-bar-right { margin-left: 0; }

  /* Table detail panel stacks below on mobile */
  .table-split { flex-direction: column; }
  .table-detail-panel {
    width: 100%; border-left: none;
    border-top: 1px solid var(--border);
    max-height: 55vh;
  }

  #trips-table td, #trips-table th { padding: 9px 10px; }
}

/* ════════════════════════════════════════
   ADMIN LOGIN
   ════════════════════════════════════════ */

/* ── Admin button in header (extends .view-btn) ── */
.admin-btn.is-admin {
  background: rgba(34, 197, 94, 0.25);
  color: #86efac;
}
.admin-btn.is-admin:hover {
  background: rgba(34, 197, 94, 0.4);
  color: white;
}

/* ── Planning Doc button (in trip panel) ── */
.planning-doc-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; margin-top: 8px;
  background: #22c55e; color: white;
  border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  transition: background 0.15s; text-decoration: none;
}
.planning-doc-btn:hover { background: #16a34a; }

/* ── Planning Doc table cell link ── */
.td-doc-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600;
  color: var(--accent); text-decoration: none;
  padding: 2px 6px; border-radius: var(--radius-sm);
  border: 1px solid var(--accent); transition: all 0.12s;
}
.td-doc-link:hover { background: var(--accent); color: white; }

/* ── Admin debug row tag ── */
.admin-row-tag {
  margin-top: 16px;
  padding: 5px 10px;
  background: #f3f8f4; border: 1px dashed #a3d4b0;
  border-radius: var(--radius-sm);
  font-size: 11px; font-family: monospace;
  color: var(--text-muted);
}

/* ── Admin modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: fadeIn 0.15s ease;
}

.modal-box {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 28px 24px 24px;
  width: 100%; max-width: 320px;
  display: flex; flex-direction: column; gap: 12px;
}

.modal-close {
  position: absolute; top: 10px; right: 12px;
  background: none; border: none; cursor: pointer;
  font-size: 20px; line-height: 1; color: var(--text-muted);
  padding: 2px 6px; border-radius: var(--radius-sm);
  transition: background 0.12s, color 0.12s;
}
.modal-close:hover { background: var(--border); color: var(--text); }

.modal-title {
  font-size: 17px; font-weight: 700; color: var(--text);
}
.modal-subtitle {
  font-size: 13px; color: var(--text-muted); margin-top: -6px;
}

.modal-password-input {
  width: 100%; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text); background: var(--surface);
  transition: border-color 0.15s;
  outline: none;
}
.modal-password-input:focus { border-color: var(--accent); }

.modal-error {
  font-size: 12px; color: #ef4444; font-weight: 500;
  margin-top: -4px;
}

.modal-submit {
  width: 100%; padding: 10px;
  background: var(--accent); color: white;
  border: none; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  cursor: pointer; transition: background 0.15s;
}
.modal-submit:hover { background: var(--accent-hover); }