/* ================================================================
   ActivityBrowser — Design System
   Dark theme · Burnt-orange accent · Mobile-first
   ================================================================ */

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

:root {
  --bg-0: #0c0c0c;
  --bg-1: #141414;
  --bg-2: #1c1c1c;
  --bg-3: #252525;
  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(255, 255, 255, 0.18);
  --text-1: #d9d9d9;
  --text-2: #888;
  --text-3: #555;
  --accent: #d95b2d;
  --accent-hover: #e86e3e;
  --accent-muted: rgba(217, 91, 45, 0.10);
  --accent-text: #ec9060;
  --success: #4ade80;
  --error: #f87171;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --radius-sm: 3px;
  --radius-md: 6px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 150ms;
}

html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

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

.label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ── Layout ─────────────────────────────────────────────── */

.app { display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-1);
}
.topbar-brand span { color: var(--accent); }
.topbar-logo { flex-shrink: 0; }

.main {
  flex: 1;
  padding: 24px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* ── Buttons ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 0.87rem;
  font-weight: 500;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  color: var(--text-1);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  user-select: none;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-3); border-color: var(--border-hover); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost { background: none; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { color: var(--text-1); background: var(--bg-2); }
.btn-sm { font-size: 0.8rem; padding: 5px 12px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Inputs ──────────────────────────────────────────────── */

.input,
.select {
  font-family: var(--font);
  font-size: 0.93rem;
  padding: 9px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  transition: border-color var(--dur) var(--ease);
  width: 100%;
}
.input::placeholder { color: var(--text-3); }
.input:focus,
.select:focus { outline: none; border-color: var(--accent); }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23888' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.input-group { display: flex; flex-direction: column; gap: 6px; }

/* ── Search bar ──────────────────────────────────────────── */

.search-bar { position: relative; }

.search-bar .input {
  font-size: 1rem;
  padding: 13px 18px 13px 44px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.search-bar .input:focus { border-color: var(--accent); background: var(--bg-2); }

.search-bar-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

/* ── Filters ─────────────────────────────────────────────── */

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin-top: 16px;
}
.filters .input-group { min-width: 110px; flex: 1; max-width: 180px; }

.filter-toggle {
  font-size: 0.8rem;
  color: var(--text-3);
  cursor: pointer;
  padding: 9px 0;
  border: none;
  background: none;
  font-family: var(--font);
  transition: color var(--dur) var(--ease);
  white-space: nowrap;
}
.filter-toggle:hover { color: var(--text-2); }

.filters-advanced {
  display: none;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.filters-advanced.open { display: flex; }
.filters-advanced .input-group { min-width: 110px; flex: 1; max-width: 220px; }

/* ── Range slider ────────────────────────────────────────── */

.range-group { min-width: 160px !important; max-width: 220px !important; }

.range-slider { display: flex; flex-direction: column; gap: 6px; }

.range-values {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}
.range-val {
  color: var(--accent-text);
  font-weight: 500;
  min-width: 28px;
}
.range-sep { color: var(--text-3); font-size: 0.75rem; }

.range-track-wrap {
  position: relative;
  height: 28px;
  display: flex;
  align-items: center;
}

.range-track {
  position: absolute;
  left: 0; right: 0;
  height: 4px;
  background: var(--bg-3);
  border-radius: 2px;
}

.range-fill {
  position: absolute;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  pointer-events: none;
}

.range-thumb {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  left: 0; right: 0;
  width: 100%;
  height: 28px;
  background: none;
  pointer-events: none;
  margin: 0;
  padding: 0;
  outline: none;
}

/* Webkit thumb */
.range-thumb::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-0);
  box-shadow: 0 0 0 1px rgba(217, 91, 45, 0.3), 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  pointer-events: auto;
  transition: transform 100ms var(--ease), box-shadow 100ms var(--ease);
}
.range-thumb::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 3px rgba(217, 91, 45, 0.2), 0 2px 8px rgba(0, 0, 0, 0.5);
}
.range-thumb:active::-webkit-slider-thumb {
  transform: scale(1.3);
  box-shadow: 0 0 0 5px rgba(217, 91, 45, 0.15), 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Firefox thumb */
.range-thumb::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-0);
  box-shadow: 0 0 0 1px rgba(217, 91, 45, 0.3), 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  pointer-events: auto;
}
.range-thumb::-moz-range-thumb:hover {
  transform: scale(1.2);
}
.range-thumb::-moz-range-track { background: none; border: none; }

/* ── Table ───────────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-1);
}

table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
thead { position: sticky; top: 0; z-index: 2; }

th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
  transition: color var(--dur) var(--ease);
}
th[data-sort] { cursor: pointer; }
th[data-sort]:hover { color: var(--text-2); }
th.sorted { color: var(--accent-text); }
th .sort-arrow { display: inline-block; margin-left: 4px; opacity: 0; transition: opacity var(--dur) var(--ease); font-size: 0.65rem; }
th.sorted .sort-arrow { opacity: 1; }

td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
tr:last-child td { border-bottom: none; }
tr { transition: background var(--dur) var(--ease); cursor: pointer; }
tbody tr:hover { background: var(--accent-muted); }
tbody tr:hover td { color: var(--text-1); }
td:first-child { color: var(--text-1); font-weight: 500; max-width: 260px; }
.td-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 0.82rem; }

/* ── Route tooltip ────────────────────────────────────────── */
.route-tooltip {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 150ms ease, transform 150ms ease;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-hover);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  background: var(--bg-2);
}
.route-tooltip.visible { opacity: 1; transform: scale(1); }
.route-tooltip-img { display: block; width: 240px; height: 160px; object-fit: cover; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
  td, th { padding: 10px; }
  td:first-child { max-width: 180px; }
}

/* ── Pagination ──────────────────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--text-3);
}

.pagination-pages { display: flex; gap: 2px; }

.pagination-pages button {
  min-width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 0.82rem;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.pagination-pages button:hover { background: var(--bg-2); color: var(--text-1); }
.pagination-pages button.active { background: var(--accent-muted); border-color: var(--accent); color: var(--accent-text); }

/* ── Detail view ──────────────────────────────────────────── */

.detail { display: grid; grid-template-columns: 1fr; gap: 40px; }

@media (min-width: 900px) {
  .detail { grid-template-columns: 380px 1fr; }
}

.detail-back {
  font-size: 0.82rem;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}
.detail-back:hover { color: var(--text-1); text-decoration: none; }

.detail-title { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 4px; }
.detail-sport { font-size: 0.82rem; color: var(--accent-text); text-transform: capitalize; }
.detail-header { margin-bottom: 24px; }

.detail-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 28px;
}

.stat { background: var(--bg-1); padding: 16px; text-align: center; }

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-1);
}

.stat-label {
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-top: 4px;
}

.detail-section { margin-bottom: 24px; }
.detail-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 8px;
}

.detail-description { font-size: 0.93rem; color: var(--text-2); line-height: 1.65; }

.detail-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 0.87rem; }
.detail-meta dt { color: var(--text-3); }
.detail-meta dd { color: var(--text-1); }

.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-2);
}

/* ── Map ──────────────────────────────────────────────────── */

.map-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-2);
}
.map-container #map { width: 100%; min-height: 400px; }

@media (min-width: 900px) {
  .map-container { position: sticky; top: 72px; }
  .map-container #map { min-height: 520px; }
}

.map-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-3);
  font-size: 0.87rem;
}

/* ── Elevation profile ────────────────────────────────────── */

.elevation-profile {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-1);
  overflow: hidden;
}

#elevation-canvas {
  display: block;
  width: 100%;
  height: 160px;
  cursor: crosshair;
  touch-action: none;
}

.elevation-cursor {
  position: absolute;
  top: 8px;
  right: 12px;
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-1);
  pointer-events: none;
  opacity: 0;
  transition: opacity 120ms var(--ease);
}
.elevation-cursor.visible { opacity: 1; }

.elevation-cursor-ele::before {
  content: "↑ ";
  color: var(--text-3);
}
.elevation-cursor-dist::before {
  content: "→ ";
  color: var(--text-3);
}

.elevation-info {
  display: flex;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  #elevation-canvas { height: 120px; }
}

/* ── Global background watermark ─────────────────────────── */

.bg-watermark {
  position: fixed;
  width: 85vmin;
  height: 85vmin;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
  filter: grayscale(0.3);
  z-index: 0;
}

/* ── Login ────────────────────────────────────────────────── */

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  position: relative;
}

.login-box { width: 100%; max-width: 340px; text-align: center; position: relative; z-index: 1; }

.login-logo {
  margin-bottom: 16px;
}
.login-logo .logo-img {
  filter: drop-shadow(0 0 24px rgba(217, 91, 45, 0.3));
  border-radius: 16px;
}

.login-title { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 4px; }
.login-title span { color: var(--accent); }
.login-subtitle { font-size: 0.87rem; color: var(--text-3); margin-bottom: 40px; }
.login-box .input { margin-bottom: 16px; }
.login-box .btn { width: 100%; }

.login-error { font-size: 0.82rem; color: var(--error); margin-top: 10px; display: none; }
.login-error.visible { display: block; }

/* ── States ───────────────────────────────────────────────── */

.empty-state { text-align: center; padding: 64px 24px; color: var(--text-3); }
.empty-state-title { font-size: 1rem; font-weight: 500; color: var(--text-2); margin-bottom: 8px; }

.loading { display: flex; align-items: center; justify-content: center; padding: 64px; }
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Results info ─────────────────────────────────────────── */

.results-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-bottom: 8px;
}
.results-count { font-size: 0.82rem; color: var(--text-3); }
.results-count strong { color: var(--text-2); font-weight: 500; }

/* ── Multi-select sport dropdown ──────────────────────────── */

.sport-filter-group { min-width: 160px !important; max-width: 220px !important; }

.multiselect { position: relative; }

.multiselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  font-family: var(--font);
  font-size: 0.93rem;
  padding: 9px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
  text-align: left;
}
.multiselect-trigger:hover { border-color: var(--border-hover); }
.multiselect.open .multiselect-trigger { border-color: var(--accent); }

.multiselect-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-2);
}
.multiselect-label.has-selection { color: var(--accent-text); }

.multiselect-arrow {
  flex-shrink: 0;
  color: var(--text-3);
  transition: transform var(--dur) var(--ease);
}
.multiselect.open .multiselect-arrow { transform: rotate(180deg); }

.multiselect-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  min-width: 200px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--bg-1);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 200;
  padding: 4px 0;
}
.multiselect.open .multiselect-dropdown { display: block; }

.multiselect-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  font-size: 0.87rem;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--dur) var(--ease);
  user-select: none;
}
.multiselect-option:hover { background: var(--bg-2); color: var(--text-1); }

.multiselect-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border: 1px solid var(--border-hover);
  border-radius: 3px;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
}
.multiselect-option.selected .multiselect-check {
  background: var(--accent);
  border-color: var(--accent);
}
.multiselect-option.selected .multiselect-check::after {
  content: '';
  width: 8px;
  height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}
.multiselect-option.selected { color: var(--accent-text); }

/* Scrollbar styling for dropdown */
.multiselect-dropdown::-webkit-scrollbar { width: 6px; }
.multiselect-dropdown::-webkit-scrollbar-track { background: transparent; }
.multiselect-dropdown::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
.multiselect-dropdown::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Utilities ────────────────────────────────────────────── */

.hidden { display: none !important; }

.view { display: none; opacity: 0; transition: opacity 200ms var(--ease); }
.view.active { display: block; opacity: 1; }

.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;
}