/* ==========================================================================
   Schedule Coordinator - Professional Minimalist Dark Theme
   Inspired by Linear / Vercel / Raycast. Clean, functional, zero-AI-gimmick.
   ========================================================================== */

:root {
  --bg-body: #090a0c;
  --bg-surface: #111317;
  --bg-surface-elevated: #181a20;
  --bg-subtle: #1f2229;
  --bg-hover: #272a33;
  --bg-active: #313540;

  --border-subtle: #23262e;
  --border-strong: #333842;
  --border-focus: #4b5260;

  --text-primary: #f1f3f7;
  --text-secondary: #9da3af;
  --text-tertiary: #6b7280;
  --text-muted: #4b515d;

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-surface: rgba(37, 99, 235, 0.15);

  --ok-color: #22c55e;
  --ok-bg: rgba(34, 197, 94, 0.12);
  --ok-border: rgba(34, 197, 94, 0.35);

  --triangle-color: #eab308;
  --triangle-bg: rgba(234, 179, 8, 0.12);
  --triangle-border: rgba(234, 179, 8, 0.35);

  --ng-color: #ef4444;
  --ng-bg: rgba(239, 68, 68, 0.12);
  --ng-border: rgba(239, 68, 68, 0.35);

  --star-gold: #f59e0b;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.75);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* App Header */
.app-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.brand-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-main {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  letter-spacing: 0.01em;
}

.brand-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 2px 7px;
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Layout Container */
.main-layout {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 24px 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: #f1f3f7;
  color: #0c0d10;
  border-color: #f1f3f7;
  font-weight: 600;
}
.btn-primary:hover {
  background-color: #ffffff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-focus);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.2);
}

.btn-sm {
  font-size: 12px;
  padding: 4px 10px;
}

.btn-lg {
  font-size: 14px;
  padding: 10px 20px;
}

.btn-icon {
  padding: 7px;
  min-width: 34px;
  min-height: 34px;
}

/* Input Fields & Forms */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  padding: 9px 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--text-primary);
  box-shadow: 0 0 0 1px var(--text-primary);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(5, 6, 8, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.modal-container.modal-lg {
  max-width: 820px;
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background-color: var(--bg-surface-elevated);
}

/* Password Lock Screen (Full Overlay) */
.lock-screen {
  position: fixed;
  inset: 0;
  background-color: var(--bg-body);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lock-card {
  width: 100%;
  max-width: 380px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.lock-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--text-primary);
}

.lock-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.lock-title .brand-main {
  font-size: 18px;
  font-weight: 600;
}

.lock-title .brand-sub {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.lock-desc {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

/* Navigation Tabs */
.view-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
  padding-bottom: 10px;
}

.tab-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-tertiary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-subtle);
}

.tab-btn.active {
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
  font-weight: 600;
}

.tab-count {
  font-size: 11px;
  font-family: var(--font-mono);
  background-color: var(--bg-hover);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

/* Event List Cards */
.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 18px;
}

.event-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}

.event-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.event-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.event-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.event-card-status {
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  white-space: nowrap;
}

.event-card-status.active {
  color: var(--ok-color);
  background-color: var(--ok-bg);
  border-color: var(--ok-border);
}

.event-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.event-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.event-card-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Event Detail View */
.event-detail-header {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.event-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.event-main-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.event-info-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.info-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.event-description-box {
  font-size: 13px;
  color: var(--text-secondary);
  background-color: var(--bg-body);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 20px;
  white-space: pre-wrap;
}

.detail-actions-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
}

/* Best Date Highlight Hero */
.best-date-banner {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(17, 19, 23, 1) 100%);
  border: 1px solid var(--ok-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.best-date-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.best-date-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--ok-bg);
  border: 1px solid var(--ok-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ok-color);
  font-size: 20px;
}

.best-date-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ok-color);
  margin-bottom: 2px;
}

.best-date-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Schedule Matrix (Table View) */
.matrix-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.matrix-header-bar {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface-elevated);
}

.matrix-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.matrix-scroll-wrapper {
  overflow-x: auto;
  position: relative;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 13px;
  min-width: 600px;
}

.matrix-table th, .matrix-table td {
  border: 1px solid var(--border-subtle);
  padding: 12px 10px;
  vertical-align: middle;
}

.matrix-table th {
  background-color: var(--bg-surface-elevated);
  font-weight: 500;
  color: var(--text-secondary);
}

/* Sticky first column for Participant Name */
.matrix-col-sticky {
  position: sticky;
  left: 0;
  background-color: var(--bg-surface-elevated) !important;
  z-index: 10;
  min-width: 160px;
  max-width: 200px;
  text-align: left !important;
  padding-left: 14px !important;
  font-weight: 600;
  color: var(--text-primary);
}

.matrix-col-sticky.is-best {
  border-left: 3px solid var(--ok-color) !important;
  background-color: rgba(34, 197, 94, 0.08) !important;
}

.matrix-row-best td {
  background-color: rgba(34, 197, 94, 0.04);
}

.matrix-participant-header {
  min-width: 90px;
  padding: 10px 8px !important;
}

.matrix-date-header {
  min-width: 110px;
}

.matrix-date-header.is-best {
  background-color: rgba(34, 197, 94, 0.08) !important;
  border-top: 3px solid var(--ok-color) !important;
}

.matrix-date-day {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.matrix-date-weekday {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.matrix-date-weekday.is-sat {
  color: #60a5fa;
}

.matrix-date-weekday.is-sun {
  color: #f87171;
}

.matrix-time-slot {
  font-size: 10px;
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: 4px;
  color: var(--text-secondary);
}

/* Status Badges in Cell */
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 700;
  position: relative;
  user-select: none;
}

.status-badge.ok {
  background-color: var(--ok-bg);
  color: var(--ok-color);
  border: 1px solid var(--ok-border);
}

.status-badge.triangle {
  background-color: var(--triangle-bg);
  color: var(--triangle-color);
  border: 1px solid var(--triangle-border);
}

.status-badge.ng {
  background-color: var(--ng-bg);
  color: var(--ng-color);
  border: 1px solid var(--ng-border);
}

.status-badge.empty {
  color: var(--text-muted);
  font-size: 12px;
}

/* Comment indicator dot */
.comment-indicator {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #38bdf8;
  border: 2px solid var(--bg-surface);
}

/* Cell with comment has interactive tooltip / hover */
.cell-interactive {
  position: relative;
  cursor: pointer;
}

.cell-comment-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #1f232b;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  white-space: normal;
  max-width: 220px;
  width: max-content;
  text-align: left;
  z-index: 100;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.cell-interactive:hover .cell-comment-tooltip {
  display: block;
}

/* Summary Row */
.matrix-row-summary td {
  background-color: var(--bg-surface-elevated);
  font-weight: 600;
}

.count-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
}

.count-badge-ok {
  color: var(--ok-color);
}
.count-badge-triangle {
  color: var(--triangle-color);
}
.count-badge-ng {
  color: var(--ng-color);
}

/* Calendar Range Picker */
.calendar-picker {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}

.calendar-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.calendar-month-title {
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  text-align: center;
}

.calendar-weekday-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  padding: 6px 0;
}
.calendar-weekday-label.is-sat { color: #60a5fa; }
.calendar-weekday-label.is-sun { color: #f87171; }

.calendar-day-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
  position: relative;
}

.calendar-day-btn:hover:not(:disabled) {
  background-color: var(--bg-subtle);
  border-color: var(--border-strong);
}

.calendar-day-btn.disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.35;
}

.calendar-day-btn.selected {
  background-color: var(--accent);
  color: #ffffff;
  font-weight: 700;
  border-color: var(--accent);
}

.calendar-day-btn.in-range {
  background-color: var(--accent-surface);
  color: #bfdbfe;
  border-radius: 0;
}

.calendar-day-btn.range-start {
  background-color: var(--accent);
  color: #ffffff;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.calendar-day-btn.range-end {
  background-color: var(--accent);
  color: #ffffff;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.quick-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* Selected Dates Tag Cloud */
.selected-dates-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 140px;
  overflow-y: auto;
  padding: 8px;
  background-color: var(--bg-body);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.date-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: var(--font-mono);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.date-pill-remove {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0;
}
.date-pill-remove:hover {
  color: #f87171;
}

/* Member Chip / Pill */
.member-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  padding: 5px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.member-tag:hover {
  border-color: var(--text-secondary);
}

.member-tag.selected {
  background-color: var(--accent-surface);
  border-color: var(--accent);
  color: #93c5fd;
  font-weight: 500;
}

/* Response Modal Matrix Form */
.response-form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.response-form-date {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  min-width: 140px;
}

.choice-toggle-group {
  display: inline-flex;
  background-color: var(--bg-body);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.choice-btn {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}

.choice-btn:hover {
  color: var(--text-primary);
}

.choice-btn.selected.ok {
  background-color: var(--ok-color);
  color: #0c0d10;
}

.choice-btn.selected.triangle {
  background-color: var(--triangle-color);
  color: #0c0d10;
}

.choice-btn.selected.ng {
  background-color: var(--ng-color);
  color: #ffffff;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: auto;
}

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

/* Utility */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.text-muted { color: var(--text-tertiary); }
.text-sm { font-size: 12px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: 0 16px;
  }
  .main-layout {
    padding: 16px 16px 60px;
  }
  .event-grid {
    grid-template-columns: 1fr;
  }
  .modal-container {
    max-height: 95vh;
  }
  .detail-actions-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .best-date-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}