/* ═══════════════════════════════════════════════════════════
   Meetle — Production Stylesheet
═══════════════════════════════════════════════════════════ */

/* ── LIGHT MODE (default) ── */
:root {
  --brand:          #1a2e6b;
  --brand-mid:      #2a3f8f;
  --brand-light:    #e8f0fe;
  --green:          #34a853;
  --green-light:    #e6f4ea;
  --green-dark:     #1b5e20;
  --warning:        #fb8c00;
  --warning-light:  #fff3e0;
  --danger:         #e53935;
  --text:           #1a1a1a;
  --text-sub:       #444;
  --muted:          #666;
  --faint:          #aaa;
  --border:         #e4e8f0;
  --surface:        #ffffff;
  --surface-alt:    #f7f9ff;
  --surface-hover:  #eef2fc;
  --radius:         10px;
  --radius-sm:      6px;
  --shadow:         0 2px 8px rgba(0,0,0,0.07);
  --shadow-lg:      0 4px 20px rgba(0,0,0,0.11);
  --w-sidebar:      370px;
  --ease:           0.16s ease;
}

/* ── DARK MODE ── */
body.dark {
  --brand:          #6b8fd4;
  --brand-mid:      #5a7ec0;
  --brand-light:    #1e2d4a;
  --green:          #4caf74;
  --green-light:    #1a3326;
  --green-dark:     #81c784;
  --warning:        #ffb74d;
  --warning-light:  #2d1f0a;
  --danger:         #ef5350;
  --text:           #e8eaf0;
  --text-sub:       #b0b8cc;
  --muted:          #8a94a8;
  --faint:          #555e72;
  --border:         #2a3450;
  --surface:        #141927;
  --surface-alt:    #1c2438;
  --surface-hover:  #222d44;
  --shadow:         0 2px 8px rgba(0,0,0,0.4);
  --shadow-lg:      0 4px 20px rgba(0,0,0,0.5);
}

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

body {
  display: flex;
  height: 100vh;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
  transition: background .2s, color .2s;
}

/* ═══════════════════ SIDEBAR ═══════════════════ */
#sidebar {
  width: var(--w-sidebar);
  min-width: var(--w-sidebar);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 10;
  transition: width var(--ease), min-width var(--ease), background .2s;
  overflow: hidden;
}
#sidebar.collapsed { width: 52px; min-width: 52px; }
#sidebar.collapsed #sidebar-body { display: none; }
#sidebar.collapsed #brand-name,
#sidebar.collapsed #brand-tag,
#sidebar.collapsed #brand-logo { display: none; }

/* Header */
#sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 13px;
  background: var(--brand);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-shrink: 0;
  transition: background .2s;
}
#brand { display: flex; align-items: center; gap: 10px; }
#brand-logo {
  width: 34px; height: 34px;
  background: var(--green);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; color: #fff; flex-shrink: 0;
}
#brand-name { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: -.4px; }
#brand-tag  { font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 2px; }

#header-actions { display: flex; align-items: center; gap: 6px; }
#dark-mode-btn, #sidebar-toggle {
  background: rgba(255,255,255,0.14);
  border: none; color: #fff;
  font-size: 15px;
  width: 28px; height: 28px;
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--ease);
  flex-shrink: 0;
}
#dark-mode-btn:hover, #sidebar-toggle:hover { background: rgba(255,255,255,0.28); }
#sidebar.collapsed #sidebar-toggle { transform: scaleX(-1); }

/* Body */
#sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* ═══════════════════ CARDS ═══════════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  transition: background .2s, border-color .2s;
}
.card-label {
  font-size: 11.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--brand);
}
.card-label-row {
  display: flex; align-items: center; justify-content: space-between;
}
.card-label-row .card-label { margin: 0; }
.card-hint {
  font-size: 11.5px; color: var(--muted); line-height: 1.5; margin-top: -4px;
}
.filter-row { display: flex; flex-direction: column; gap: 5px; }

/* ═══════════════════ RECENT / SAVED GROUPS ═══════════════════ */
#recent-section, #groups-section { display: flex; flex-direction: column; gap: 6px; }
.section-label {
  font-size: 11.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em; color: var(--brand);
}
.section-label-row { display: flex; align-items: center; justify-content: space-between; }
#recent-chips, #group-chips { display: flex; flex-wrap: wrap; gap: 5px; }

.recent-chip, .group-chip {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 8px 3px 10px;
  font-size: 11.5px; color: var(--brand);
  cursor: pointer;
  transition: all var(--ease);
  display: inline-flex; align-items: center; gap: 4px;
  max-width: 180px;
}
.chip-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1; min-width: 0;
}
.recent-chip:hover { background: var(--brand-light); border-color: var(--brand); }
.group-chip {
  display: flex; align-items: center; gap: 5px;
  max-width: none; padding: 3px 8px 3px 10px;
}
.group-chip:hover { background: var(--brand-light); border-color: var(--brand); }
.chip-del, .group-chip-del {
  background: none; border: none; color: var(--faint);
  font-size: 13px; cursor: pointer; line-height: 1; padding: 0 2px;
  transition: color var(--ease);
}
.chip-del:hover, .group-chip-del:hover { color: var(--danger); }

.link-btn {
  background: none; border: none; color: var(--brand);
  font-size: 11.5px; cursor: pointer; font-weight: 600;
  padding: 0; text-decoration: none;
  transition: opacity var(--ease);
}
.link-btn:hover { opacity: .7; }

/* ═══════════════════ PERSON ROWS ═══════════════════ */
.person-row {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color var(--ease), background .2s;
}
.person-row:focus-within { border-color: var(--brand); }
.person-row-top { display: flex; align-items: center; gap: 8px; }
.person-avatar { font-size: 16px; min-width: 22px; }

.person-fields { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.person-name-input {
  border: none; background: transparent;
  font-size: 11.5px; font-weight: 600; color: var(--brand);
  outline: none; width: 100%;
}
.person-name-input::placeholder { color: var(--faint); font-weight: 400; }
.person-input {
  border: none; background: transparent;
  font-size: 13px; color: var(--text); outline: none; width: 100%;
}
.person-input::placeholder { color: var(--faint); }

.remove-btn {
  background: none; border: none; color: var(--faint);
  font-size: 15px; cursor: pointer; padding: 0 2px;
  transition: color var(--ease);
}
.remove-btn:hover { color: var(--danger); }
.person-modes { display: flex; gap: 4px; padding-left: 30px; }
.person-mode-btn {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2px 8px;
  font-size: 11px; color: var(--muted); cursor: pointer;
  transition: all var(--ease);
}
.person-mode-btn:hover  { border-color: var(--brand); color: var(--brand); }
.person-mode-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }

/* ═══════════════════ PLACE CHIPS ═══════════════════ */
#place-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 4px 10px;
  font-size: 12px; color: var(--muted);
  cursor: pointer; user-select: none; transition: all var(--ease);
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.active { background: var(--brand-light); border-color: var(--brand); color: var(--brand); font-weight: 600; }

.control-label { font-size: 11px; color: var(--muted); font-weight: 500; }
.btn-row { display: flex; gap: 4px; }
.sm-btn {
  flex: 1; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 4px 2px;
  font-size: 11.5px; color: var(--muted); cursor: pointer;
  text-align: center; transition: all var(--ease);
}
.sm-btn:hover  { border-color: var(--brand); color: var(--brand); }
.sm-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }

/* ═══════════════════ RADIO CARDS ═══════════════════ */
.radio-group { display: flex; flex-direction: column; gap: 6px; }
.radio-card {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 11px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer; transition: all var(--ease);
}
.radio-card:has(input:checked) { border-color: var(--brand); background: var(--brand-light); }
.radio-card input[type="radio"] { margin-top: 2px; accent-color: var(--brand); }
.radio-card div { display: flex; flex-direction: column; gap: 2px; }
.radio-card strong { font-size: 13px; color: var(--text); }
.radio-card span  { font-size: 11.5px; color: var(--muted); line-height: 1.4; }

/* ═══════════════════ DEPARTURE TIME ═══════════════════ */
#departure-datetime {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 14px; font-weight: 600;
  color: var(--brand);
  background: var(--surface);
  outline: none; cursor: pointer;
  transition: border-color var(--ease), background .2s;
  color-scheme: light dark;
}
#departure-datetime:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(26,46,107,0.08); }

/* ═══════════════════ TOGGLES ═══════════════════ */
.toggle-row { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); cursor: pointer; }
.toggle-row input[type="checkbox"] { accent-color: var(--brand); width: 14px; height: 14px; flex-shrink: 0; }

/* ═══════════════════ ISOCHRONE COLLAPSIBLE ═══════════════════ */
.collapsible-trigger { cursor: pointer; display: flex; align-items: center; justify-content: space-between; user-select: none; }
.collapsible-trigger .caret { font-size: 14px; transition: transform var(--ease); }
.collapsible-trigger.open .caret { transform: rotate(180deg); }
#iso-body { display: flex; flex-direction: column; gap: 8px; }
#iso-body.hidden { display: none; }
.control-group { display: flex; flex-direction: column; gap: 5px; }

/* ═══════════════════ MAX TRAVEL ═══════════════════ */
#max-travel-row { display: flex; align-items: center; gap: 10px; padding-left: 4px; }
#max-travel-slider { flex: 1; accent-color: var(--brand); }
#max-travel-label { font-size: 13px; font-weight: 700; color: var(--brand); min-width: 44px; }

/* ═══════════════════ BUTTONS ═══════════════════ */
#find-btn {
  background: var(--brand); color: #fff; border: none; border-radius: var(--radius);
  padding: 13px; font-size: 14px; font-weight: 700; cursor: pointer;
  width: 100%; transition: background var(--ease), transform .1s;
}
#find-btn:hover   { background: var(--brand-mid); }
#find-btn:active  { transform: scale(.98); }
#find-btn:disabled { background: #aaa; cursor: not-allowed; }

.ghost-btn {
  background: none; border: 1.5px dashed var(--border); border-radius: var(--radius-sm);
  color: var(--brand); font-size: 12.5px; font-weight: 600; padding: 7px 12px;
  cursor: pointer; width: 100%; transition: all var(--ease);
}
.ghost-btn:hover { background: var(--brand-light); border-color: var(--brand); }
.muted { color: var(--faint); font-weight: 400; }

/* ═══════════════════ RESULTS HEADER ═══════════════════ */
#results-section { display: flex; flex-direction: column; gap: 8px; }
.results-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.result-actions { display: flex; gap: 5px; flex-wrap: wrap; }

.action-btn {
  display: flex; align-items: center; gap: 5px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); color: var(--brand);
  font-size: 11.5px; font-weight: 600; padding: 5px 9px;
  cursor: pointer; transition: all var(--ease); white-space: nowrap;
}
.action-btn:hover { background: var(--brand-light); border-color: var(--brand); }
.whatsapp-btn { color: #25d366; border-color: #b2e9c8; }
.whatsapp-btn:hover { background: var(--green-light); border-color: #25d366; }
.surprise-btn { color: #7b1fa2; border-color: #e1bee7; }
.surprise-btn:hover { background: #f3e5f5; border-color: #7b1fa2; }
.vote-btn { color: var(--warning); border-color: #ffe0b2; }
.vote-btn:hover { background: var(--warning-light); border-color: var(--warning); }

/* ═══════════════════ RESULT CARDS ═══════════════════ */
.result-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  transition: all var(--ease);
}
.result-card:hover { border-color: #b0bdf7; box-shadow: var(--shadow); }
.result-card.rank-1 { border-color: var(--green); }
.result-card.active-card { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-light), var(--shadow-lg); }
.result-card.surprise-pick {
  border-color: #9c27b0;
  box-shadow: 0 0 0 3px #e1bee7, var(--shadow-lg);
  animation: surprisePop .5s cubic-bezier(.36,.07,.19,.97);
}
@keyframes surprisePop {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.03); }
  60%  { transform: scale(.98); }
  100% { transform: scale(1); }
}

.place-photo {
  width: 100%; height: 100px; object-fit: cover; display: block; background: var(--surface-alt);
}
.place-photo-placeholder {
  width: 100%; height: 72px;
  background: linear-gradient(135deg, var(--brand-light) 0%, var(--surface-alt) 100%);
  display: flex; align-items: center; justify-content: center; font-size: 28px;
}

.result-card-body { padding: 11px 13px; display: flex; flex-direction: column; gap: 7px; }
.result-card-header { display: flex; align-items: flex-start; gap: 8px; }
.result-rank { font-size: 20px; }
.result-info { flex: 1; min-width: 0; }
.result-name { font-size: 13.5px; font-weight: 700; color: var(--text); line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-meta { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.fav-btn { background: none; border: none; font-size: 18px; cursor: pointer; padding: 0; line-height: 1; flex-shrink: 0; transition: transform var(--ease); }
.fav-btn:hover { transform: scale(1.2); }

.result-times { display: flex; flex-wrap: wrap; gap: 5px; }
.time-pill {
  display: flex; align-items: center; gap: 5px;
  background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px 8px; font-size: 11.5px;
  cursor: pointer; transition: all var(--ease);
}
.time-pill:hover { border-color: var(--brand); background: var(--brand-light); }
.time-pill .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* Arrive Together departure times */
.arrive-together-block {
  background: var(--warning-light);
  border: 1px solid #ffe0b2;
  border-radius: var(--radius-sm);
  padding: 6px 9px;
  font-size: 11.5px;
  line-height: 1.7;
}
.arrive-together-block .at-label {
  font-weight: 700; color: var(--warning); font-size: 11px;
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: 3px;
}
.at-row { display: flex; align-items: center; gap: 6px; color: var(--text-sub); }

/* Fairness insight */
.fairness-insight {
  font-size: 11.5px; color: var(--green-dark);
  background: var(--green-light); border-radius: var(--radius-sm);
  padding: 5px 9px; line-height: 1.4;
}

.result-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.score-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px; background: var(--brand-light); color: var(--brand); flex-shrink: 0; }
.result-card.rank-1 .score-badge { background: var(--green); color: #fff; }

.card-action-row { display: flex; gap: 5px; flex-wrap: wrap; }
.mini-btn {
  background: none; border: 1px solid var(--border);
  border-radius: 5px; padding: 4px 9px; font-size: 11px;
  color: var(--muted); cursor: pointer; transition: all var(--ease); white-space: nowrap;
}
.mini-btn:hover         { border-color: var(--brand); color: var(--brand); background: var(--brand-light); }
.mini-btn.calendar:hover { border-color: var(--green); color: var(--green-dark); background: var(--green-light); }
.mini-btn.maps:hover    { border-color: #4285f4; color: #1a65d6; background: #e8f0fe; }

/* ═══════════════════ ISOCHRONE LEGEND ═══════════════════ */
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 12px; padding: 3px 0; }
.legend-swatch { width: 14px; height: 14px; border-radius: 3px; flex-shrink: 0; opacity: .7; }
#overlap-status { margin-top: 6px; font-size: 12px; font-weight: 600; padding: 6px 10px; border-radius: 6px; line-height: 1.4; }
#overlap-status.has-overlap { background: var(--green-light); color: var(--green-dark); }
#overlap-status.no-overlap  { background: var(--warning-light); color: #7c4a00; }

/* ═══════════════════ ERROR ═══════════════════ */
#error-box { background: #fff3cd; border: 1px solid #ffc107; border-radius: var(--radius); padding: 12px 14px; font-size: 13px; color: #856404; line-height: 1.5; }
body.dark #error-box { background: #2d2200; border-color: #7c6200; color: #ffd54f; }

/* ═══════════════════ MAP ═══════════════════ */
#map { flex: 1; height: 100vh; }

/* ═══════════════════ SAVE GROUP MODAL ═══════════════════ */
#group-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
}
#group-modal.hidden { display: none; }
#group-modal-box {
  background: var(--surface); border-radius: var(--radius);
  padding: 20px 22px; width: 300px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 12px;
}
.modal-title { font-size: 15px; font-weight: 700; color: var(--text); }
#group-name-input {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px 11px; font-size: 14px; color: var(--text);
  background: var(--surface); outline: none; width: 100%;
}
#group-name-input:focus { border-color: var(--brand); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.modal-btn {
  padding: 7px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; border: 1.5px solid var(--border); background: var(--surface); color: var(--text);
  transition: all var(--ease);
}
.modal-btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.modal-btn.primary:hover { background: var(--brand-mid); }
.modal-btn:hover { background: var(--surface-hover); }

/* ═══════════════════ TOAST ═══════════════════ */
#toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: #1a1a1a; color: #fff;
  padding: 10px 20px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
  z-index: 9999; transition: transform .3s ease;
  pointer-events: none;
}
#toast.show { transform: translateX(-50%) translateY(0); }

/* ═══════════════════ UTILITIES ═══════════════════ */
.hidden { display: none !important; }

/* ═══════════════════ MOBILE ═══════════════════ */
@media (max-width: 768px) {
  body { flex-direction: column; }
  #sidebar { width: 100% !important; min-width: 100% !important; height: auto; max-height: 55vh; overflow-y: auto; border-right: none; border-bottom: 1px solid var(--border); }
  #sidebar.collapsed { max-height: 54px; }
  #map { height: 45vh; flex: none; width: 100%; }
}