/* ==========================================================================
   PCTS design system - red theme
   ========================================================================== */

:root {
  --color-primary: #c8014f;
  --color-primary-hover: #a30f2f;
  --color-primary-active: #870c27;
  --color-primary-light: #ff6b8f;
  --color-primary-pale: #fdeaf0;
  --color-primary-pale-2: #fbd9e3;

  --color-accent-yellow: #f5c344;
  --color-accent-yellow-pale: #fdf3d9;
  --color-accent-blue: #2463eb;

  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-danger-pale: #fdecec;
  --color-success: #16a34a;

  --color-bg: #faf6f7;
  --color-surface: #ffffff;
  --color-surface-2: #fbf5f6;
  --color-border: #f0dde2;
  --color-border-strong: #e6c3ce;

  --color-text: #262223;
  --color-text-muted: #6b6260;
  --color-text-faint: #a39ea0;
  --color-text-on-primary: #ffffff;

  --shadow-sm: 0 1px 2px rgba(120, 20, 50, 0.06);
  --shadow-md: 0 4px 16px rgba(120, 20, 50, 0.10);
  --shadow-lg: 0 12px 40px rgba(90, 10, 35, 0.18);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --header-height: 64px;
  --container-width: 1120px;

  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

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

h1, h2, h3, h4 {
  margin: 0 0 8px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 12px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
  white-space: nowrap;
  line-height: 1.2;
}
.btn:active {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary-pale);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-2);
}
.btn-ghost.active {
  background: var(--color-primary-pale);
  color: var(--color-primary-hover);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-hover);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-pill);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.field {
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}
.field .hint {
  font-size: 12px;
  color: var(--color-text-faint);
  margin-top: 4px;
}

.input,
select.input,
textarea.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus,
select.input:focus,
textarea.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-pale);
}
textarea.input {
  resize: vertical;
  min-height: 72px;
}

.input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}
.input-row .input {
  flex: 1;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
  margin-bottom: 10px;
}
.checkbox-row input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.checkbox-row .checkbox-copy .desc {
  color: var(--color-text-faint);
  font-size: 12px;
}

.toggle-group {
  display: inline-flex;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: 3px;
  background: var(--color-surface);
}
.toggle-group button {
  border: none;
  background: transparent;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
}
.toggle-group button.active {
  background: var(--color-primary);
  color: #fff;
}

.chip-input {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.chip-input input {
  border: none;
  outline: none;
  flex: 1;
  min-width: 120px;
  font-size: 14px;
  padding: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-pale);
  color: var(--color-primary-hover);
  border-radius: var(--radius-pill);
  padding: 4px 6px 4px 12px;
  font-size: 13px;
  font-weight: 600;
}
.chip button {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px;
}

.dow-toggle-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.dow-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.dow-toggle.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.form-error {
  color: var(--color-danger);
  font-size: 13px;
  margin: -6px 0 12px;
  min-height: 1em;
}

.expandable {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  margin-top: 4px;
}
.expandable summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.expandable summary::-webkit-details-marker {
  display: none;
}
.expandable summary::before {
  content: '▸';
  color: var(--color-primary);
  transition: transform 0.15s;
}
.expandable[open] summary::before {
  transform: rotate(90deg);
}
.expandable .expandable-body {
  padding-top: 14px;
}

/* ==========================================================================
   Header / nav
   ========================================================================== */

.site-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: var(--color-text);
}
.brand .brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}
.brand:hover {
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: 8px;
}
.nav-links a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 14px;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--color-primary-pale);
  color: var(--color-primary-hover);
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.avatar.sm {
  width: 26px;
  height: 26px;
  font-size: 11px;
}

.user-menu {
  position: relative;
}
.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 4px 10px 4px 4px;
  cursor: pointer;
}
.user-menu-trigger:hover {
  background: var(--color-surface-2);
}
.user-menu-name {
  font-size: 14px;
  font-weight: 700;
}
.user-menu-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  padding: 6px;
  display: none;
  z-index: 50;
}
.user-menu-dropdown.open {
  display: block;
}
.user-menu-dropdown a,
.user-menu-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 14px;
  cursor: pointer;
}
.user-menu-dropdown a:hover,
.user-menu-dropdown button:hover {
  background: var(--color-primary-pale);
  color: var(--color-primary-hover);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 32px 0;
  margin-top: 48px;
}
.site-footer .footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
}
.site-footer .footer-links {
  display: flex;
  gap: 18px;
  font-size: 13px;
}
.site-footer .footer-links a {
  color: var(--color-text-muted);
}
.site-footer .footer-credit {
  font-size: 12px;
  color: var(--color-text-faint);
  margin-top: 6px;
}

/* ==========================================================================
   Cards / surfaces
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-pad {
  padding: 24px;
}

.auth-card {
  max-width: 420px;
  margin: 64px auto;
  padding: 32px;
}
.auth-card h1 {
  font-size: 22px;
  text-align: center;
}
.auth-card .subtitle {
  text-align: center;
  margin-bottom: 24px;
}
.auth-switch {
  text-align: center;
  font-size: 14px;
  margin-top: 16px;
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  background: var(--color-primary-pale);
  color: var(--color-primary-hover);
}
.badge-muted {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Dialogs
   ========================================================================== */

.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(30, 10, 18, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.dialog-backdrop.open {
  display: flex;
}
.dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 24px;
}
.dialog.dialog-sm {
  max-width: 400px;
}
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.dialog-header h2 {
  font-size: 18px;
  margin: 0;
}
.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* ==========================================================================
   Snackbar / toast
   ========================================================================== */

#snackbar-root {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.snackbar {
  background: #2a2225;
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  box-shadow: var(--shadow-md);
  animation: snackbar-in 0.15s ease-out;
}
.snackbar.error {
  background: var(--color-danger);
}
.snackbar.success {
  background: var(--color-success);
}
@keyframes snackbar-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Landing page
   ========================================================================== */

.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero .badge {
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 44px;
  max-width: 720px;
  margin: 0 auto 16px;
}
.hero .subtitle {
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 28px;
}
.hero .cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hero .cta-caption {
  font-size: 13px;
  color: var(--color-text-faint);
}
.hero-image {
  margin: 40px auto 0;
  max-width: 900px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.hero-image img {
  display: block;
  width: 100%;
}

.section {
  padding: 56px 0;
}
.section-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 8px;
}
.section-subtitle {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 36px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  text-align: center;
  padding: 8px;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  cursor: pointer;
  padding: 16px 4px;
  font-weight: 700;
  font-size: 15px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  color: var(--color-primary);
  font-size: 20px;
}
.faq-item[open] summary::after {
  content: '\2212';
}
.faq-item p {
  padding: 0 4px 16px;
}

/* ==========================================================================
   Dashboard / folders
   ========================================================================== */

.dashboard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 32px 0 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.folder-block {
  margin-bottom: 8px;
  border-radius: var(--radius-md);
}
.folder-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 8px;
  cursor: pointer;
}
.folder-header .folder-chevron {
  transition: transform 0.15s;
  color: var(--color-text-faint);
}
.folder-header.collapsed .folder-chevron {
  transform: rotate(-90deg);
}
.folder-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 14px;
}
.folder-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.folder-count {
  color: var(--color-text-faint);
  font-size: 13px;
}
.folder-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 4px 8px 20px;
}
.folder-body.collapsed {
  display: none;
}
.folder-body.archived .event-card {
  opacity: 0.7;
}
.empty-folder {
  color: var(--color-text-faint);
  font-size: 14px;
  padding: 8px;
}

.event-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow 0.15s, transform 0.1s;
}
.event-card:hover {
  box-shadow: var(--shadow-sm);
}
.event-card .event-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.event-card-title {
  font-weight: 700;
  font-size: 15px;
}
.event-card-title a {
  color: var(--color-text);
}
.event-card-meta {
  font-size: 13px;
  color: var(--color-text-faint);
}
.event-card-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.speed-dial {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 30;
}
.speed-dial .btn {
  border-radius: var(--radius-pill);
  padding: 14px 22px;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Event page - grid / heatmap
   ========================================================================== */

.event-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin: 28px 0 16px;
  flex-wrap: wrap;
}
.event-header h1 {
  font-size: 24px;
  margin-bottom: 4px;
}
.event-header .event-meta {
  font-size: 14px;
  color: var(--color-text-muted);
}
.event-header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.event-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 60px;
}

.grid-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.grid-toolbar-left,
.grid-toolbar-right {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.legend {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-faint);
}
.legend-ramp {
  display: flex;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.legend-ramp span {
  width: 16px;
  height: 12px;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 10px;
}
.legend-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.legend-swatch.available-swatch {
  background: var(--color-primary);
}
.legend-swatch.if-needed-swatch {
  background: var(--color-accent-yellow);
}

/* "가능" vs "가능(선택)" explainer, collapsed by default above the grid */
.term-help {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 13px;
}
.term-help summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary-hover);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.term-help summary::-webkit-details-marker {
  display: none;
}
.term-help summary::before {
  content: 'ⓘ';
  font-size: 14px;
}
.term-help-body {
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  align-items: baseline;
}
.term-help-body dt {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  white-space: nowrap;
}
.term-help-body dd {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.term-help-note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-faint);
}

.edit-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.edit-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .term-help-body {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .term-help-body dd {
    margin-bottom: 8px;
  }
}

.grid-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.avail-grid {
  display: grid;
  user-select: none;
  min-width: 100%;
}
/* While painting availability, a touch drag must mark cells rather than
   scroll the page. Only applied in edit mode so normal scrolling still works. */
.avail-grid.editing .grid-cell {
  touch-action: none;
}
.avail-grid-corner {
  position: sticky;
  left: 0;
  background: var(--color-surface);
  z-index: 3;
}
.day-col-header {
  text-align: center;
  padding: 8px 4px;
  border-bottom: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 2;
}
.day-col-header .dow {
  font-size: 11px;
  color: var(--color-text-faint);
  font-weight: 700;
  text-transform: uppercase;
}
.day-col-header .dnum {
  font-size: 15px;
  font-weight: 700;
}
.time-row-label {
  font-size: 11px;
  color: var(--color-text-faint);
  text-align: right;
  padding: 0 8px;
  position: sticky;
  left: 0;
  background: var(--color-surface);
  white-space: nowrap;
  border-left: none;
}
.grid-cell {
  border-left: 1px solid var(--color-border);
  border-top: 1px solid #f7ecef;
  height: 16px;
  position: relative;
  cursor: pointer;
  background: var(--color-surface);
}
.grid-cell.hour-mark {
  border-top: 1px solid var(--color-border);
}
.grid-cell.available {
  background: var(--color-primary);
}
.grid-cell.if-needed {
  background: var(--color-accent-yellow);
}
.grid-cell.dim {
  opacity: 0.25;
}
.grid-cell.own-preview {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: -2px;
}
.grid-cell.calendar-busy::after {
  content: '';
  position: absolute;
  inset: 1px;
  background: repeating-linear-gradient(135deg, rgba(38, 34, 35, 0.18) 0 4px, transparent 4px 8px);
  pointer-events: none;
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.month-cell {
  aspect-ratio: 1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  background: var(--color-surface);
}
.month-cell.available {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.sidebar-card {
  padding: 16px;
}
.sidebar-card h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
  margin-bottom: 12px;
}
.respondent-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
}
.respondent-row:hover {
  background: var(--color-surface-2);
}
.respondent-row.selected {
  background: var(--color-primary-pale);
}
.respondent-row .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.respondent-row .edit-icon {
  opacity: 0;
  color: var(--color-text-faint);
}
.respondent-row:hover .edit-icon {
  opacity: 1;
}
.sidebar-toggles {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}
.switch {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.switch .track {
  position: absolute;
  inset: 0;
  background: var(--color-border-strong);
  border-radius: var(--radius-pill);
  transition: background 0.15s;
  cursor: pointer;
}
.switch .track::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s;
}
.switch input:checked + .track {
  background: var(--color-primary);
}
.switch input:checked + .track::before {
  transform: translateX(16px);
}

.edit-bar {
  position: sticky;
  bottom: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 12px 0;
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.zigzag {
  height: 8px;
  background-image: linear-gradient(135deg, var(--color-bg) 25%, transparent 25%), linear-gradient(225deg, var(--color-bg) 25%, transparent 25%);
  background-size: 10px 10px;
  background-position: bottom;
}

.week-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 14px;
}

.access-denied {
  text-align: center;
  padding: 90px 20px;
}
.access-denied .icon {
  font-size: 40px;
  margin-bottom: 12px;
}

/* ==========================================================================
   Settings
   ========================================================================== */

.settings-section {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}
.settings-section:last-child {
  border-bottom: none;
}
.settings-section h2 {
  font-size: 17px;
}
.settings-section .section-desc {
  max-width: 620px;
}

.calendar-account-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
}
.calendar-account-row .info {
  flex: 1;
}
.calendar-account-row .info .email {
  font-weight: 700;
  font-size: 14px;
}
.sub-calendar-list {
  margin: 10px 0 0 46px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sub-calendar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-muted);
}

.perm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 12px;
}
.perm-table th, .perm-table td {
  text-align: left;
  padding: 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.perm-table th {
  color: var(--color-text-faint);
  font-size: 12px;
  text-transform: uppercase;
}

/* ==========================================================================
   Contacts
   ========================================================================== */

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background: var(--color-surface);
}
.contact-row .info {
  flex: 1;
  min-width: 0;
}
.contact-row .name {
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.contact-row .email {
  font-size: 12px;
  color: var(--color-text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
}
.contact-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ==========================================================================
   Sign-up steps + verification code
   ========================================================================== */

.signup-steps {
  display: flex;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.signup-steps li {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  color: var(--color-text-faint);
  font-weight: 600;
}
.signup-steps li.active {
  color: var(--color-primary);
}
.signup-steps li.done {
  color: var(--color-text-muted);
}
.signup-steps .step-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  background: var(--color-surface-2);
  color: var(--color-text-faint);
  border: 1px solid var(--color-border-strong);
}
.signup-steps li.active .step-dot {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.signup-steps li.done .step-dot {
  background: var(--color-primary-pale);
  border-color: var(--color-primary-pale-2);
  color: var(--color-primary);
}

.verify-sent {
  background: var(--color-primary-pale);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 18px;
}

.code-input {
  text-align: center;
  font-size: 24px;
  letter-spacing: 0.32em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 12px;
}

/* ==========================================================================
   Misc
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-faint);
}
.empty-state .icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-primary-pale);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.guest-banner {
  background: var(--color-accent-yellow-pale);
  border: 1px solid #f0dfa8;
  color: #7a5b0a;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.error-page {
  text-align: center;
  padding: 110px 20px;
}
.error-page h1 {
  font-size: 72px;
  color: var(--color-primary);
}

@media (max-width: 860px) {
  .event-layout {
    grid-template-columns: 1fr;
  }
  .folder-body {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 32px;
  }
  .nav-links {
    display: none;
  }
}