:root {
  --bg: #f4efe6;
  --ink: #18222d;
  --muted: #5f6b75;
  --panel: rgba(255, 252, 246, 0.85);
  --line: rgba(24, 34, 45, 0.12);
  --accent: #e4572e;
  --accent-strong: #b93812;
  --teal: #1f8a8a;
  --shadow: 0 18px 60px rgba(24, 34, 45, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(228, 87, 46, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(31, 138, 138, 0.12), transparent 35%),
    linear-gradient(180deg, #fff7ec 0%, var(--bg) 100%);
}

.shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.hero {
  padding: 24px 0 12px;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent-strong);
}

h1,
h2,
h3,
strong {
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 0.95;
}

.lede {
  max-width: 720px;
  margin-top: 16px;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--muted);
}

.grid,
.meta-grid {
  display: grid;
  gap: 20px;
}

.auth-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.auth-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.invite-accept {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.grid {
  grid-template-columns: 360px minmax(0, 1fr);
  margin-top: 20px;
}

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

.panel {
  backdrop-filter: blur(14px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.create-panel {
  margin: 24px 0 20px;
}

.panel-heading h2,
.panel-heading h3,
.panel h3 {
  margin: 0 0 8px;
}

.panel-heading p,
.panel p,
.label {
  color: var(--muted);
}

.stack,
.detail-columns,
.card-stack {
  display: grid;
  gap: 14px;
}

.detail-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.collab-panel {
  margin-top: 18px;
}

label span {
  display: block;
  margin-bottom: 8px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(24, 34, 45, 0.16);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

button {
  border: none;
  border-radius: 999px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button.ghost {
  background: rgba(24, 34, 45, 0.1);
  color: var(--ink);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.project-list,
.card-stack {
  max-height: 680px;
  overflow: auto;
}

.project-item,
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  padding: 14px 16px;
}

.project-item {
  cursor: pointer;
}

.project-item.active {
  border-color: rgba(228, 87, 46, 0.45);
  box-shadow: inset 0 0 0 1px rgba(228, 87, 46, 0.25);
}

.project-item h3,
.card h4 {
  margin: 0 0 6px;
}

.compact .card {
  padding: 12px 14px;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.status-strip div {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.62);
}

.brief {
  margin: 0;
  padding: 14px 16px;
  border-left: 4px solid var(--teal);
  background: rgba(31, 138, 138, 0.08);
  border-radius: 0 16px 16px 0;
}

.empty-state {
  min-height: 200px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 20px;
  color: var(--muted);
}

.hidden {
  display: none;
}

.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(24, 34, 45, 0.08);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.78rem;
}

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

@media (max-width: 980px) {
  .grid,
  .meta-grid,
  .auth-grid,
  .detail-columns,
  .status-strip {
    grid-template-columns: 1fr;
  }

  .shell {
    padding-inline: 14px;
  }
}