:root {
  --bg: #141814;
  --bg-elevated: #1a1f18;
  --surface: #222a22;
  --surface-hover: #2a332a;
  --text: #e6e2d8;
  --muted: #9a968c;
  --accent: #7cb87a;
  --accent-dim: #5e8f5c;
  --accent-hover: #96c994;
  --gold: #c4a035;
  --gold-dim: #9a7d28;
  --border: #3a4238;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(92, 120, 70, 0.12), transparent);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.wordmark {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.wordmark .ag {
  color: var(--accent);
}

.wordmark .network {
  color: var(--text);
  font-weight: 650;
}

.tagline {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.5rem 0 0;
}

.subtle-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 1.75rem 0 0;
  max-width: 280px;
  margin-left: auto;
  margin-right: auto;
}

header.brand {
  text-align: center;
  margin-bottom: 2.25rem;
}

header.brand h1 {
  margin: 0 0 0.35rem;
  font-size: 1.95rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

header.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.session-pill {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.grid-btns {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 520px) {
  .grid-btns {
    grid-template-columns: 1fr 1fr;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: #121612;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: filter 0.15s ease, transform 0.05s ease;
}

.btn:hover {
  filter: brightness(1.08);
}

.btn:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--surface-hover);
  filter: none;
}

.btn-danger {
  background: linear-gradient(180deg, #a84848 0%, #7f2e2e 100%);
  color: #fff;
  border-color: rgba(0, 0, 0, 0.25);
}

.btn-danger:hover {
  filter: brightness(1.06);
}

.btn-small {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.login-corner {
  position: fixed;
  top: 1rem;
  right: 1rem;
  font-size: 0.85rem;
  z-index: 10;
}

.login-corner a {
  color: var(--muted);
}

.login-corner a:hover {
  color: var(--accent);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 650;
}

.back-row {
  margin-bottom: 1.25rem;
}

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.file-table th,
.file-table td {
  text-align: left;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.file-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.file-table tr:last-child td {
  border-bottom: none;
}

.file-table a {
  font-weight: 600;
  color: var(--accent);
}

.empty-msg {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-group input[type="password"],
.form-group input[type="text"],
.form-group input[type="file"] {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  background: var(--bg-elevated);
  color: var(--text);
}

.form-group input::placeholder {
  color: var(--muted);
  opacity: 0.85;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 2px rgba(124, 184, 122, 0.2);
}

.checkbox-grid {
  display: grid;
  gap: 0.5rem;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text);
}

.msg {
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.msg.error {
  background: rgba(160, 60, 60, 0.2);
  color: #f0c4c4;
  border: 1px solid rgba(160, 60, 60, 0.35);
}

.msg.success {
  background: rgba(80, 120, 75, 0.25);
  color: #c8e4c4;
  border: 1px solid rgba(80, 120, 75, 0.35);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.tabs button {
  padding: 0.5rem 1rem;
  font: inherit;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
}

.tabs button[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel[hidden] {
  display: none;
}

.manage-state {
  margin-bottom: 2rem;
}

.manage-state:last-child {
  margin-bottom: 0;
}

.manage-state h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
  color: var(--text);
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.user-table th,
.user-table td {
  text-align: left;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.user-table th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.user-table select.role-select {
  max-width: 9rem;
  padding: 0.35rem 0.5rem;
  font: inherit;
  font-size: 0.85rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.user-table .pw-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.user-table .pw-inline input[type="password"] {
  min-width: 6rem;
  max-width: 10rem;
  padding: 0.35rem 0.5rem;
  font: inherit;
  font-size: 0.85rem;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
}

@media (max-width: 640px) {
  .user-table {
    display: block;
    overflow-x: auto;
  }
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
  background: rgba(196, 160, 53, 0.15);
  color: var(--gold);
  border: 1px solid rgba(196, 160, 53, 0.35);
}

.badge-user {
  background: rgba(124, 184, 122, 0.12);
  color: var(--accent);
  border-color: rgba(124, 184, 122, 0.3);
}

footer.site {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.78rem;
  color: var(--muted);
}

footer.site .footer-loc {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  opacity: 0.85;
}