/* Base tokens */
:root {
  --ink: #121212;
  --paper: #f7f1e9;
  --accent: #0f766e;
  --accent-dark: #0b5b55;
  --muted: #4b4b4b;
  --card: #ffffff;
  --shadow: rgba(18, 18, 18, 0.12);
  --ring: rgba(15, 118, 110, 0.25);
}

* {
  box-sizing: border-box;
}

/* Layout and typography */
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 10% -10%, #d6f5f1 0%, transparent 60%),
    radial-gradient(900px 600px at 110% 10%, #f6e6ff 0%, transparent 55%),
    radial-gradient(900px 500px at 0% 100%, #fff7e0 0%, transparent 60%),
    var(--paper);
  font-family: "Space Grotesk", "Segoe UI", Tahoma, sans-serif;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 20px 80px;
}

header {
  display: grid;
  gap: 20px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  line-height: 1.05;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 62ch;
}

.jump-links {
  margin: 28px 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.jump-links a {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(18, 18, 18, 0.1);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease;
}

.jump-links a:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 8px;
}

section {
  margin-top: 28px;
}

h2 {
  margin: 0 0 14px;
  font-size: 1.4rem;
}

/* Cards and sections */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(18, 18, 18, 0.08);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 35px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: floatIn 0.6s ease both;
}

.card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.muted {
  color: var(--muted);
}

.link-list {
  display: grid;
  gap: 8px;
}

/* Buttons and links */
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.link-button.secondary {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-dark);
}

.link-button.ghost {
  background: transparent;
  border: 1px solid rgba(18, 18, 18, 0.14);
  color: var(--ink);
}

.link-button.disabled {
  background: rgba(18, 18, 18, 0.12);
  color: rgba(18, 18, 18, 0.55);
  cursor: not-allowed;
}

.link-button:hover:not(.disabled) {
  background: var(--accent-dark);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

/* Calendar */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(18, 18, 18, 0.08);
  color: var(--ink);
}

.status-pill[data-status="Busy"] {
  background: rgba(185, 28, 28, 0.12);
  color: #7f1d1d;
}

.status-pill[data-status="Busy soon"] {
  background: rgba(217, 119, 6, 0.14);
  color: #92400e;
}

.status-pill[data-status="Probably free"] {
  background: rgba(15, 118, 110, 0.15);
  color: var(--accent-dark);
}

.status-pill[data-status="unknown"] {
  background: rgba(18, 18, 18, 0.12);
  color: rgba(18, 18, 18, 0.6);
}

.event-list {
  display: grid;
  gap: 10px;
}

.event {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(18, 18, 18, 0.04);
}

.event-title {
  font-weight: 600;
}

.event-time {
  font-size: 0.9rem;
  color: var(--muted);
}

.empty-state {
  background: rgba(255, 255, 255, 0.85);
  border: 1px dashed rgba(18, 18, 18, 0.2);
  border-radius: 16px;
  padding: 18px;
  display: grid;
  gap: 10px;
}

/* Utilities */
.hidden {
  display: none;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal-backdrop.active {
  display: flex;
}

.modal {
  background: var(--card);
  border-radius: 18px;
  padding: 22px;
  max-width: 460px;
  width: 100%;
  box-shadow: 0 24px 48px rgba(18, 18, 18, 0.2);
  display: grid;
  gap: 14px;
}

.modal header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.modal h3 {
  margin: 0;
  font-size: 1.2rem;
}

.modal label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.modal input,
.modal textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(18, 18, 18, 0.12);
  font-family: inherit;
  font-size: 1rem;
}

.modal textarea {
  min-height: 100px;
  resize: vertical;
}

.modal .actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.meeting-feedback {
  font-size: 0.95rem;
}

.meeting-feedback.error {
  color: #7f1d1d;
}

.meeting-feedback.success {
  color: var(--accent-dark);
}

footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .split {
    grid-template-columns: 1fr;
  }
  .jump-links {
    overflow-x: auto;
    padding-bottom: 6px;
  }
}