:root {
  --bg: #0a0e14;
  --panel: #121824;
  --panel-2: #1a2332;
  --text: #e8e8e8;
  --text-dim: #98a2b3;
  --accent: #d4af37;
  --accent-2: #e6c45c;
  --border: #273040;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- 导航栏 ---------- */
header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-decoration: none;
}

.brand .logo {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* ---------- 主体 ---------- */
main {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  flex: 1;
}

.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.hero-logo {
  height: 200px;
  width: auto;
  display: block;
  margin: 0 auto 1.8rem;
  filter: drop-shadow(0 0 24px rgba(212, 175, 55, 0.35));
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  font-weight: 700;
}

.hero .tagline {
  margin-top: 0.9rem;
  color: var(--text-dim);
  font-size: 1.15rem;
}

.hero .actions {
  margin-top: 1.8rem;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #0a0e14;
  padding: 0.65rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.15s;
}

.btn:hover {
  background: var(--accent-2);
}

h1.page-title {
  font-size: 2rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.lead {
  color: var(--text-dim);
  margin-bottom: 2rem;
}

/* collapsible "how it works" note — one line until opened */
.lead-details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  margin-bottom: 1.25rem;
}

.lead-details summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.9rem;
  list-style: none;
}

.lead-details summary::-webkit-details-marker {
  display: none;
}

.lead-details summary::before {
  content: "▸ ";
  color: var(--accent);
}

.lead-details[open] summary::before {
  content: "▾ ";
}

.lead-details summary:hover {
  color: var(--accent);
}

.lead-details p {
  margin-top: 0.7rem;
  color: var(--text-dim);
  font-size: 0.86rem;
  line-height: 1.65;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.9rem;
  color: var(--accent);
}

.card p {
  color: var(--text-dim);
}

/* ---------- 报告列表 ---------- */
.report-list {
  list-style: none;
}

.report-list li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
}

.report-list li:last-child {
  border-bottom: none;
}

.report-list a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s;
}

.report-list a:hover {
  color: var(--accent);
}

.report-list .meta {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.report-list .empty {
  color: var(--text-dim);
  font-style: italic;
}

/* ---------- 页脚 ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- 移动端 ---------- */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .nav {
    justify-content: center;
  }
}

/* ---------- Union Raid Planner ---------- */
.planner main {
  max-width: 1120px;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.dim { color: var(--text-dim); }
.s { font-size: 0.78rem; color: var(--text-dim); }

input[type="text"],
input[type="number"] {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font-size: 0.9rem;
  width: 100%;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field label {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.field input {
  width: 190px;
}

/* number + unit side by side */
.input-group {
  display: flex;
  gap: 0.4rem;
}

.input-group input {
  width: 110px;
}

.input-group select {
  width: 110px;
}

.field select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font-size: 0.9rem;
  width: 140px;
  max-width: 100%;
}

.field select:focus {
  outline: none;
  border-color: var(--accent);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.planner-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.planner-table th,
.planner-table td {
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--border);
  text-align: right;
  white-space: nowrap;
}

.planner-table th {
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.planner-table td:first-child,
.planner-table th:first-child {
  text-align: left;
}

.planner-table td input {
  padding: 0.32rem 0.45rem;
  font-size: 0.85rem;
  min-width: 96px;
}

.planner-table td input.name-input {
  min-width: 150px;
}

.cell-label {
  color: var(--text);
  font-weight: 600;
}

.cell-empty {
  color: var(--text-dim);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.btn-secondary {
  display: inline-block;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 0.25rem 0 1.5rem;
}

.stat {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.stat .k {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat .v {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 0.35rem;
  word-break: break-all;
}

.stat .s {
  margin-top: 0.25rem;
}

.badge {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.badge-kill {
  background: rgba(79, 208, 138, 0.16);
  color: #4fd08a;
}

.badge-no {
  background: rgba(255, 123, 123, 0.16);
  color: #ff7b7b;
}

.results h3 {
  font-size: 1rem;
  color: var(--accent);
  margin: 1.4rem 0 0.6rem;
}

/* kill achieved, but below hp*(1+margin) -> no safety buffer */
.badge-thin {
  background: rgba(230, 160, 0, 0.18);
  color: #e6a000;
}

.warn-box {
  background: rgba(230, 160, 0, 0.10);
  border: 1px solid rgba(230, 160, 0, 0.45);
  border-left-width: 3px;
  border-radius: 6px;
  padding: 0.8rem 1rem;
  margin: 0 0 1.25rem;
  color: #e6a000;
  font-size: 0.9rem;
}

/* plan depth headline */
.plan-depth {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}

.plan-depth strong {
  color: var(--accent);
}

.plan-depth .s {
  color: var(--text-dim);
}

.warn-box .s {
  color: var(--text-dim);
}

.warn-box .s strong {
  color: #e6a000;
}

.flash {
  color: var(--accent);
  font-size: 0.85rem;
}

/* ---------- Access gate ---------- */
.gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.gate.hidden {
  display: none;
}

.gate-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.25rem 2rem;
  text-align: center;
  max-width: 380px;
  width: 100%;
}

.gate-logo {
  height: 80px;
  width: auto;
  margin: 0 auto 1rem;
  display: block;
  filter: drop-shadow(0 0 18px rgba(212, 175, 55, 0.3));
}

.gate-box h1 {
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.gate-sub {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 1.4rem;
}

/* Width fix only — colours/appearance are left to the browser as before. */
.gate-box input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
  font-size: 1.4rem;
  letter-spacing: 0.5em;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.gate-box .btn {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.gate-error {
  color: #ff7b7b;
  font-size: 0.85rem;
  min-height: 1.2rem;
  margin-top: 0.7rem;
}