:root {
  --ink: #142033;
  --muted: #5c6b80;
  --line: #d9e0ea;
  --paper: #f6f3ec;
  --card: #ffffff;
  --navy: #0c2340;
  --gold: #b8893a;
  --gold-dark: #8f6828;
  --danger: #9b2c2c;
  --ok: #1f6b4a;
  --shadow: 0 12px 40px rgba(12, 35, 64, 0.08);
  --radius: 14px;
  font-family: "Segoe UI", "PingFang TC", "Noto Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top left, #e8e1d2 0, var(--paper) 42%);
  color: var(--ink);
}

body {
  line-height: 1.45;
}

h1,
h2,
h3 {
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 0.75rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--gold-dark);
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.lede,
.hint {
  color: var(--muted);
  font-size: 0.95rem;
}

.topbar,
.login-card,
.panel,
.card,
.empty-state {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
}

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 1rem;
  padding: 0 1rem 2rem;
}

.panel,
.workspace {
  min-width: 0;
}

.panel {
  padding: 1.1rem;
  border-radius: var(--radius);
  height: fit-content;
}

.stack {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

label {
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--navy);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  background: #fff;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid rgba(184, 137, 58, 0.45);
  border-color: var(--gold);
}

button,
.file-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
  font-weight: 650;
}

button:hover,
.file-btn:hover {
  background: #16345c;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}

.file-btn {
  position: relative;
  overflow: hidden;
}

.file-btn input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.text-link {
  color: var(--gold-dark);
  font-weight: 650;
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.project-list button {
  width: 100%;
  border-radius: 12px;
  background: #f8f5ee;
  color: var(--ink);
  justify-content: space-between;
  text-align: left;
}

.project-list button.active {
  background: var(--navy);
  color: #fff;
}

.project-list small {
  color: inherit;
  opacity: 0.7;
  font-weight: 500;
}

.workspace-head {
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.card,
.empty-state {
  padding: 1.1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.file-meta {
  font-size: 0.9rem;
  color: var(--ok);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.settings {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  background: #f4f1ea;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.pill {
  background: #efe6d4;
  color: var(--gold-dark);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
}

.empty,
.empty-state {
  color: var(--muted);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(440px, 100%);
  padding: 1.6rem;
  border-radius: 18px;
}

.login-card form {
  display: grid;
  gap: 0.5rem;
}

@media (max-width: 980px) {
  .layout,
  .grid,
  .settings {
    grid-template-columns: 1fr;
  }
  .topbar {
    align-items: flex-start;
  }
}