:root {
  --bg: #f5f7fb;
  --bg-strong: #eef2f8;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-muted: rgba(248, 250, 252, 0.84);
  --line: rgba(148, 163, 184, 0.2);
  --line-strong: rgba(148, 163, 184, 0.35);
  --text: #0f172a;
  --text-soft: #475569;
  --text-faint: #64748b;
  --accent: #0f172a;
  --accent-soft: rgba(15, 23, 42, 0.08);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.2);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.14);
  --shadow-lg: 0 30px 90px -36px rgba(15, 23, 42, 0.35);
  --shadow-md: 0 20px 50px -32px rgba(15, 23, 42, 0.22);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --transition: 180ms ease;
  --font-sans: "SF Pro Display", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(148, 163, 184, 0.16), transparent 36%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 48%, var(--bg-strong) 100%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  color: white;
  background: #0f172a;
}

.app-background {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(30px);
  opacity: 0.65;
}

.orb-one {
  top: -120px;
  left: -60px;
  width: 280px;
  height: 280px;
  background: rgba(255, 255, 255, 0.95);
}

.orb-two {
  right: -140px;
  top: 15vh;
  width: 320px;
  height: 320px;
  background: rgba(226, 232, 240, 0.8);
}

.grid-glow {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 10%, transparent 75%);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 16px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px 18px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.topbar-menu {
  position: relative;
}

.topbar-menu-button {
  min-height: 46px;
  padding: 0 14px;
  border-radius: 999px;
}

.topbar-menu-button-label {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-menu-button-caret {
  font-size: 0.72rem;
}

.topbar-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 180px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
  z-index: 30;
}

.topbar-menu-item {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.topbar-menu-item:hover,
.topbar-menu-item:focus-visible,
.topbar-menu-item.is-active {
  background: rgba(15, 23, 42, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand.is-disabled {
  cursor: default;
}

.brand-logo {
  display: block;
  width: auto;
  height: 40px;
  max-width: min(180px, 42vw);
}

.text-link {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.app-root {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.screen {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel,
.hero-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  background: var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-lg);
}

.hero-card {
  padding: 28px 22px;
}

.panel {
  padding: 20px 18px;
}

.hero-card::after,
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.24), transparent 50%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  color: var(--text-soft);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.hero-title,
.meeting-title {
  margin: 16px 0 10px;
  font-size: clamp(2rem, 8vw, 3.8rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.hero-copy,
.meeting-copy,
.panel-copy {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.home-shell {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 0 0;
}

.home-header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 16px;
}

.section-title,
.section-subtitle {
  margin: 14px 0 8px;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.section-title {
  font-size: clamp(2rem, 8vw, 3rem);
}

.section-subtitle {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
}

.grid-two,
.grid-three {
  display: grid;
  gap: 14px;
}

.grid-two {
  grid-template-columns: 1fr;
}

.grid-three {
  grid-template-columns: 1fr;
}

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

.field label,
.fieldset-label {
  font-size: 0.9rem;
  color: var(--text-soft);
  font-weight: 600;
}

.input,
.textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 15px 16px;
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.input:focus,
.textarea:focus {
  outline: none;
  border-color: rgba(15, 23, 42, 0.28);
  box-shadow:
    0 0 0 4px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.textarea {
  min-height: 124px;
  resize: vertical;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: 18px;
  transition:
    transform var(--transition),
    opacity var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button:hover:not(:disabled),
.button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 20px 40px -24px rgba(15, 23, 42, 0.7);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  border: 1px solid var(--line);
}

.button-success {
  background: var(--success);
  color: white;
  border: 1px solid rgba(22, 163, 74, 0.7);
  box-shadow: 0 22px 42px -26px rgba(22, 163, 74, 0.72);
}

.button-danger {
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.14);
}

.icon-button {
  min-width: 56px;
  padding: 0;
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.create-trigger {
  min-height: 56px;
  padding: 0 18px 0 14px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 20px 40px -24px rgba(15, 23, 42, 0.7);
}

.create-trigger-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 1.4rem;
  line-height: 1;
}

.meta-list,
.chip-row,
.status-line,
.summary-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip,
.meta-pill,
.participant-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.participant-pill.is-active {
  border-color: rgba(15, 23, 42, 0.18);
  background: rgba(15, 23, 42, 0.06);
  color: var(--text);
}

.participant-pill-large {
  min-height: 48px;
  padding: 0 18px;
  font-size: 0.95rem;
}

.helper {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.92rem;
  line-height: 1.55;
}

.divider {
  height: 1px;
  margin: 4px 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.status {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  line-height: 1.5;
}

.status-info {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.08);
  color: var(--text-soft);
}

.status-success {
  background: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.14);
  color: var(--success);
}

.status-error {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.14);
  color: #b91c1c;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.create-panel {
  padding: 18px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.meetings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meeting-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    box-shadow var(--transition);
}

.meeting-list-item:hover,
.meeting-list-item:focus-within {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.18);
  box-shadow: var(--shadow-md);
}

.meeting-list-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.meeting-list-link:focus-visible {
  outline: none;
}

.meeting-list-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.meeting-list-main strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.meeting-list-main span {
  color: var(--text-soft);
  line-height: 1.45;
}

.meeting-list-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.meeting-list-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.meeting-edit-button,
.meeting-delete-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
}

.meeting-edit-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  transition:
    transform var(--transition),
    opacity var(--transition),
    background-color var(--transition),
    border-color var(--transition);
}

.meeting-edit-button:hover:not(:disabled),
.meeting-edit-button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.2);
  background: rgba(255, 255, 255, 0.96);
}

.meeting-delete-button {
  flex-shrink: 0;
  border: 1px solid rgba(239, 68, 68, 0.16);
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
  transition:
    transform var(--transition),
    opacity var(--transition),
    background-color var(--transition),
    border-color var(--transition);
}

.meeting-delete-button:hover:not(:disabled),
.meeting-delete-button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.24);
}

.meeting-count,
.meeting-duration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-soft);
  font-size: 0.82rem;
  white-space: nowrap;
}

.grid-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.legend-dot-partial {
  background: rgba(245, 158, 11, 0.95);
  border-color: rgba(245, 158, 11, 0.55);
}

.legend-dot-full {
  background: rgba(22, 163, 74, 0.95);
  border-color: rgba(22, 163, 74, 0.6);
}

.legend-dot-you {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(15, 23, 42, 0.55);
  box-shadow: inset 0 0 0 2px rgba(15, 23, 42, 0.7);
}

.summary-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.summary-card strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.summary-card span {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
}

.grid-panel {
  padding: 16px;
}

.grid-shell {
  overflow-x: auto;
  padding-bottom: 8px;
}

.availability-grid {
  display: grid;
  grid-template-columns: 74px repeat(var(--day-count), minmax(94px, 1fr));
  gap: 8px;
  min-width: calc(74px + var(--day-count) * 102px);
}

.grid-corner,
.day-header,
.time-header {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: var(--text-soft);
}

.day-header {
  flex-direction: column;
  gap: 4px;
  font-size: 0.82rem;
}

.day-header strong {
  color: var(--text);
  font-size: 0.95rem;
}

.time-header {
  font-size: 0.82rem;
  text-align: center;
  padding: 0 6px;
}

.slot-cell {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 70px;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-soft);
  transition:
    transform 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease,
    color 120ms ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-x pan-y;
}

.slot-cell:hover,
.slot-cell:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.18);
}

.slot-cell.is-partial {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.82), rgba(245, 158, 11, 0.9));
  border-color: rgba(245, 158, 11, 0.48);
  color: #431407;
}

.slot-cell.is-selected {
  border-color: rgba(15, 23, 42, 0.7);
  box-shadow:
    inset 0 0 0 2px rgba(15, 23, 42, 0.72),
    0 16px 32px -28px rgba(15, 23, 42, 0.45);
}

.slot-cell.is-full {
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.9), rgba(22, 163, 74, 0.96));
  border-color: rgba(22, 163, 74, 0.7);
  color: white;
  box-shadow: 0 20px 42px -28px rgba(22, 163, 74, 0.7);
}

.slot-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: 100%;
}

.slot-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  max-width: 100%;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slot-cell.is-full .slot-label {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.empty-state {
  padding: 22px 20px;
  border-radius: 22px;
  border: 1px dashed rgba(148, 163, 184, 0.28);
  background: rgba(255, 255, 255, 0.48);
  color: var(--text-soft);
}

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  color: var(--text-soft);
}

.spinner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.spinner::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(15, 23, 42, 0.16);
  border-top-color: rgba(15, 23, 42, 0.72);
  animation: spin 0.9s linear infinite;
}

.meeting-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.meeting-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.meeting-toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

.meeting-title-compact {
  margin: 0;
  font-size: clamp(1.1rem, 4vw, 1.8rem);
  line-height: 1;
}

.meeting-copy-button {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
}

.meeting-card-body {
  margin-top: 22px;
  padding-top: 0;
}

.meeting-screen {
  padding-bottom: 112px;
}

.floating-save-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 25;
  display: flex;
  justify-content: center;
  padding: 0 12px;
  pointer-events: none;
}

.floating-save-bar .button {
  width: min(520px, 100%);
  min-height: 58px;
  border-radius: 20px;
  box-shadow: 0 24px 44px -28px rgba(15, 23, 42, 0.45);
  pointer-events: auto;
}

.meeting-header-meta {
  margin-top: 18px;
}

.summary-list {
  flex-direction: column;
  gap: 12px;
}

.summary-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.summary-item strong {
  display: block;
  margin-bottom: 4px;
}

.summary-item small {
  color: var(--text-faint);
}

.summary-score {
  min-width: 50px;
  text-align: right;
  color: var(--text-soft);
  font-weight: 700;
}

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

@media (min-width: 720px) {
  .app-shell {
    width: min(1180px, calc(100% - 40px));
    padding-top: 24px;
  }

  .hero-card {
    padding: 36px;
  }

  .panel {
    padding: 24px;
  }

  .create-panel {
    padding: 22px;
  }

  .grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .meeting-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
    gap: 18px;
  }

  .meeting-list-item {
    padding: 20px 22px;
  }

  .meeting-list-meta {
    flex-direction: row;
    align-items: center;
  }
}