/* ── CSS Variables ─────────────────────────────────── */
:root {
  --primary: #03C75A;
  --primary-dark: #02A84B;
  --primary-light: #e6f9ee;
  --danger: #E53935;
  --danger-light: #fdeaea;
  --warn: #FF9800;
  --warn-light: #fff3e0;
  --bg: #F5F7FA;
  --sidebar-bg: #ffffff;
  --sidebar-w: 400px;
  --text: #1A1A1A;
  --text-secondary: #666;
  --text-muted: #999;
  --border: #E5E8EB;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: 0.2s ease;
}

/* ── Reset ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  display: flex;
}

/* ── Sidebar ──────────────────────────────────────── */
.sidebar {
  position: relative;
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  z-index: 1200;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 24px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-icon { font-size: 28px; }

.subtitle {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.provider-status {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.provider-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

.provider-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid #cfe8cf;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: lowercase;
}

.provider-badge.is-warning {
  border-color: #ffd9ad;
  background: #fff4e8;
  color: #d77300;
}

.provider-warning {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #ffd9ad;
  background: #fff7ed;
  color: #b85d00;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.45;
}

/* ── Route Section ────────────────────────────────── */
.route-section {
  padding: 20px 24px 0;
  position: relative;
}

.input-group {
  margin-bottom: 12px;
}

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.input-wrap input {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3,199,90,0.15);
}

.input-wrap input::placeholder {
  color: var(--text-muted);
}

.swap-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: -4px 0 8px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  background: var(--sidebar-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.swap-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* ── Mode Tabs ────────────────────────────────────── */
.mode-section {
  padding: 4px 24px 0;
}

.mode-tabs {
  display: flex;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.mode-tab {
  flex: 1;
  padding: 10px 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.mode-tab:hover { color: var(--text); }
.mode-tab.active {
  background: var(--sidebar-bg);
  color: var(--primary-dark);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* ── DateTime ─────────────────────────────────────── */
.datetime-section {
  padding: 16px 24px 0;
  position: relative;
  z-index: 15;
}

.datetime-section label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.datetime-picker {
  position: relative;
}

.datetime-input-wrap {
  position: relative;
}

.datetime-input-wrap input {
  width: 100%;
  padding: 12px 44px 12px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.datetime-input-wrap.has-error input {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
}

.datetime-input-wrap input::-webkit-calendar-picker-indicator {
  opacity: 0;
  pointer-events: none;
}

.datetime-input-wrap input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3,199,90,0.15);
}

.datetime-input-tooltip {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  max-width: min(360px, calc(100vw - 64px));
  padding: 7px 9px;
  border: 1px solid #ef9a9a;
  border-radius: 8px;
  background: #fff5f5;
  color: #c62828;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  z-index: 2250;
}

.datetime-input-wrap.tooltip-above .datetime-input-tooltip {
  top: auto;
  bottom: calc(100% + 6px);
}

.datetime-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.datetime-toggle:hover {
  background: #ecf0f3;
  color: var(--text);
}

.datetime-panel {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  gap: 12px;
  width: min(560px, calc(100vw - 64px));
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--sidebar-bg);
  box-shadow: var(--shadow-lg);
  z-index: 2200;
}

.datetime-panel-calendar {
  flex: 1;
  min-width: 280px;
}

.datetime-ymd-inputs {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
}

.datetime-ymd-inputs input {
  width: 44px;
  padding: 6px 4px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  text-align: center;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  outline: none;
}

.datetime-ymd-inputs input#datetime-year {
  width: 62px;
}

.datetime-ymd-inputs input:focus {
  border-color: var(--primary);
}

.datetime-ymd-inputs span {
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: 4px;
}

.datetime-calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.datetime-nav-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-secondary);
  cursor: pointer;
}

.datetime-nav-btn:hover {
  color: var(--text);
  border-color: #c6cdd4;
}

.datetime-calendar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.datetime-weekdays,
.datetime-calendar-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
}

.datetime-weekdays {
  margin-bottom: 4px;
}

.datetime-weekdays span {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.datetime-day-btn {
  height: 34px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.datetime-day-empty {
  height: 34px;
}

.datetime-day-btn:hover {
  background: #f1f5f8;
}

.datetime-day-btn.is-outside {
  color: #b7bec6;
}

.datetime-day-btn.is-today {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.datetime-day-btn.is-selected {
  background: #1976d2;
  border-color: #1976d2;
  color: #fff;
}

.datetime-day-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.datetime-panel-time {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border-left: 1px solid var(--border);
  padding-left: 12px;
}

.datetime-time-col {
  min-width: 68px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.datetime-period-col {
  min-width: 60px;
}

.datetime-time-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.datetime-time-col select {
  height: 34px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 0 8px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  outline: none;
}

.datetime-time-col select:focus {
  border-color: var(--primary);
}

/* ── Search Button ────────────────────────────────── */
.search-btn {
  margin: 20px 24px 0;
  padding: 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--transition), transform 0.1s;
}
.search-btn:hover { background: var(--primary-dark); }
.search-btn:active { transform: scale(0.98); }
.search-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
}

/* ── Results ──────────────────────────────────────── */
.results-section {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.result-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  animation: slideUp 0.3s ease;
}

.provider-notice-card {
  border: 1px solid #ffd9ad;
  background: #fff7ed;
  padding: 12px 14px;
}

.provider-notice-title {
  font-size: 13px;
  font-weight: 700;
  color: #b85d00;
}

.provider-notice-copy {
  margin-top: 4px;
  font-size: 12px;
  color: #985100;
  line-height: 1.45;
}

.baseline-card {
  border: 1px solid #d8e4ff;
  background: #f6f9ff;
}

.progress-card {
  border: 1px dashed #b0bec5;
  background: #fafcff;
}

.quick-safe-card {
  border: 1px solid #cfe8cf;
  background: #f4fbf4;
}

.progress-copy {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.candidate-badge {
  cursor: help;
  position: relative;
}

.candidate-tooltip-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: auto;
  width: min(360px, calc(100vw - 40px));
  max-width: min(360px, calc(100vw - 40px));
  max-height: 380px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid #d5def1;
  background: #ffffff;
  color: #2b3a55;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.14);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 2600;
}

.candidate-tooltip-template {
  display: none !important;
}

.candidate-tooltip-portal.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.candidate-tooltip-row {
  font-size: 12px;
  line-height: 1.4;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: keep-all;
  font-variant-numeric: tabular-nums;
}

.candidate-tooltip-header {
  position: static;
  margin-bottom: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  background: #f2f6ff;
  border: 1px solid #dce6fb;
  color: #1f2b45;
  font-weight: 700;
}

.candidate-tooltip-empty {
  padding: 8px 10px;
  font-size: 12px;
  color: #5a6a86;
}

.candidate-tooltip-item {
  margin-bottom: 6px;
  padding: 8px 9px;
  border-radius: 8px;
  border: 1px solid #e4ebf8;
  background: #f8faff;
}

.candidate-tooltip-item:last-child {
  margin-bottom: 0;
}

.candidate-tooltip-item-top {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.candidate-phase-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1px 7px;
  border-radius: 999px;
  background: #edf2fb;
  color: #45618f;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.4;
}

.candidate-phase-badge.phase-coarse {
  background: #e8efff;
  color: #3556b0;
}

.candidate-phase-badge.phase-refine {
  background: #e7f6ec;
  color: #207245;
}

.candidate-phase-badge.phase-full {
  background: #f2ebff;
  color: #6a3fb2;
}

.candidate-tooltip-item-range {
  flex: 1;
  color: #1f2b45;
  font-weight: 600;
}

.candidate-tooltip-item-meta {
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.candidate-tooltip-duration {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: #edf2fb;
  color: #4b5b7c;
  font-weight: 600;
}

.candidate-tooltip-status {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

.candidate-tooltip-status.status-pass {
  background: #e7f7ec;
  color: #2e7d32;
}

.candidate-tooltip-status.status-fail {
  background: #fdecec;
  color: #c62828;
}

.candidate-tooltip-score {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 11px;
  line-height: 1.35;
  color: #4f5f80;
  font-variant-numeric: tabular-nums;
}

.candidate-tooltip-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.candidate-tooltip-score-label {
  color: #5d6d90;
}

.candidate-tooltip-score-value {
  color: #394969;
  font-weight: 700;
  white-space: nowrap;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-row .label {
  font-size: 13px;
  color: var(--text-secondary);
}

.result-row .value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.recommendation-card .row-recommended-departure .label {
  color: #108545;
  font-weight: 700;
}

.recommendation-card .row-recommended-departure .value {
  color: #0b7a3e;
}

.recommendation-card .row-baseline-departure .label {
  color: #385fb5;
  font-weight: 700;
}

.recommendation-card .row-baseline-departure .value {
  color: #2f4f9c;
}

.result-duration {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.duration-big {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.1;
}

.duration-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-success {
  background: var(--primary-light);
  color: var(--primary-dark);
}
.badge-warn {
  background: var(--warn-light);
  color: #E65100;
}
.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
}

.result-meta {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calendar-actions {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.calendar-actions-title {
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.calendar-actions-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calendar-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.calendar-action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(20, 28, 45, 0.14);
}

.calendar-action-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(66, 102, 197, 0.28);
}

.calendar-action-btn.is-recommended {
  border-color: #c7ebd5;
  background: #effbf4;
  color: #0b7a3e;
}

.calendar-action-btn.is-tight {
  border-color: #d8e2ff;
  background: #f2f6ff;
  color: #2f4f9c;
}

.calendar-action-btn.is-disabled {
  pointer-events: none;
  cursor: not-allowed;
  border-color: #e0e5ef;
  background: #f5f7fb;
  color: #9aa3b2;
  box-shadow: none;
  transform: none;
}

/* ── Deadline (마지노선) Card ─────────────────────── */
.deadline-card {
  position: relative;
  overflow: visible;
  background: var(--bg);
  border: 1px solid var(--border);
}

.analysis-tooltip-trigger {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #415778;
  background: #edf2fb;
  border: 1px solid #d6e2f5;
  font-family: var(--font);
  cursor: pointer;
}

.analysis-tooltip-trigger:hover {
  background: #e5edf9;
  border-color: #c9d9f2;
}

.analysis-tooltip-trigger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(65, 87, 120, 0.2);
}

.analysis-tooltip-panel {
  position: absolute;
  top: 48px;
  right: 16px;
  width: min(340px, calc(100% - 32px));
  margin-top: 0;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
  z-index: 12;
}

.deadline-card.analysis-tooltip-open .analysis-tooltip-panel,
.deadline-card:hover .analysis-tooltip-panel,
.deadline-card:focus-within .analysis-tooltip-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.deadline-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.deadline-block {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
}

.deadline-block-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.deadline-block-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.deadline-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.tag-tight {
  background: #fff3e0;
  color: #E65100;
}

.tag-safe {
  background: #e8f5e9;
  color: #2e7d32;
}

.deadline-time {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.deadline-sub {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.deadline-dur {
  font-weight: 600;
  color: var(--text-secondary);
}

/* ── Error Box ────────────────────────────────────── */
.error-box {
  margin: 16px 24px;
  padding: 14px 16px;
  background: var(--danger-light);
  border: 1px solid #ef9a9a;
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
}

/* ── Loading ──────────────────────────────────────── */
.loading {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 20;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Footer ───────────────────────────────────────── */
.sidebar-footer {
  margin-top: auto;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

.version-badge {
  position: fixed;
  right: 14px;
  bottom: 10px;
  z-index: 2400;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(19, 33, 60, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: #2f446a;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(2px);
}

/* ── Map ──────────────────────────────────────────── */
.map-container {
  flex: 1;
  position: relative;
  height: 100vh;
}

.map {
  width: 100%;
  height: 100%;
}

.map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.map-placeholder-inner {
  text-align: center;
  color: var(--text-muted);
}
.map-placeholder-inner p {
  margin-top: 12px;
  font-size: 14px;
}
.map-placeholder-inner code {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  background: #e9ecef;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Leaflet overrides ────────────────────────────── */
.custom-marker {
  background: transparent !important;
  border: none !important;
}

.marker-pin {
  width: 32px;
  height: 32px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 3px solid #fff;
  box-shadow: 0 3px 10px rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.marker-label {
  display: block;
  transform: rotate(45deg);
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  letter-spacing: -0.5px;
  line-height: 1;
  white-space: nowrap;
}

/* ── Autocomplete Dropdown ────────────────────────── */
.ac-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--sidebar-bg);
  border: 1.5px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: 0 6px 16px rgba(0,0,0,0.10);
  max-height: 260px;
  overflow-y: auto;
}

.ac-item {
  padding: 10px 12px 10px 40px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.ac-item:last-child { border-bottom: none; }
.ac-item:hover, .ac-item.ac-active {
  background: var(--primary-light);
}
.ac-item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ac-item-addr {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ac-item-type {
  display: inline-block;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 8px;
  background: #e3f2fd;
  color: #1565c0;
  margin-left: 6px;
  vertical-align: middle;
}

/* ── Favorites Section ───────────────────────────── */
.favorites-section {
  padding: 12px 24px 0;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.section-toggle {
  font-size: 11px;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
}
.section-toggle:hover { text-decoration: underline; }

.favorites-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.fav-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  max-width: 160px;
}
.fav-chip:hover {
  border-color: var(--primary);
  box-shadow: 0 1px 4px rgba(3,199,90,0.2);
}
.fav-chip-name { font-weight: 600; }
.fav-chip-del {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 2px;
  cursor: pointer;
  display: none;
  line-height: 1;
}
.fav-chip-del:hover { color: var(--danger); }
.favorites-section.manage-mode .fav-chip-del { display: inline; }

.favorites-add-form {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.favorites-add-form input {
  flex: 1;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 12px;
  outline: none;
  background: var(--bg);
}
.favorites-add-form input:focus { border-color: var(--primary); }
.fav-add-btn {
  padding: 7px 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.fav-add-btn:hover { background: var(--primary-dark); }

/* ── Recent Section ──────────────────────────────── */
.recent-section {
  padding: 12px 24px 0;
}
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.recent-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  cursor: pointer;
  transition: background var(--transition);
  font-size: 12px;
}
.recent-item:hover { background: var(--primary-light); }
.recent-item-route {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--text);
  font-weight: 500;
}
.recent-item-arrow {
  color: var(--text-muted);
  font-size: 11px;
  margin: 0 2px;
}
.recent-item-time {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Calculation Explanation ──────────────────────── */
.calc-explain {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #f0f4ff;
  border: 1px solid #d0d9f0;
  font-size: 11px;
  color: #3949AB;
  line-height: 1.5;
}
.calc-explain-title {
  font-weight: 700;
  margin-bottom: 4px;
  font-size: 12px;
}
.calc-explain-row {
  display: flex;
  justify-content: space-between;
  padding: 1px 0;
}
.calc-explain-row .label {
  color: #5C6BC0;
}
.calc-explain-row .val {
  font-weight: 600;
  color: #283593;
}

/* ── Utility ──────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Mobile ───────────────────────────────────────── */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 30;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--sidebar-bg);
  box-shadow: var(--shadow);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .map-container {
    width: 100%;
  }
  .mobile-toggle {
    display: flex;
  }

  .version-badge {
    right: 10px;
    bottom: 12px;
    font-size: 10px;
  }

  .datetime-panel {
    width: calc(100vw - 48px);
    max-width: none;
    flex-direction: column;
  }

  .datetime-panel-time {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 10px;
  }
}

@media (max-width: 480px) {
  :root {
    --sidebar-w: 100vw;
  }
}