/* =============================================================
   ServerClass Admin — Minimalist Monochrome
   ============================================================= */

:root {
  --background: #FFFFFF;
  --foreground: #000000;
  --muted: #F5F5F5;
  --muted-fg: #525252;
  --border: #000000;
  --border-light: #E5E5E5;
}

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

html, body {
  background: var(--background);
  color: var(--foreground);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Global paper texture */
body {
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 1px, #000 1px, #000 2px
  );
  background-size: 100% 4px;
  opacity: 0.015;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
}

/* Layer real content above textures */
.topbar, .hero, .section, .divider, .footer { position: relative; z-index: 2; }

/* Utility */
.mono {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}
.italic { font-family: "Playfair Display", Georgia, serif; font-style: italic; font-weight: 400; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 12px 20px;
  text-decoration: none;
  z-index: 999;
}
.skip-link:focus { left: 0; }

/* =============================================================
   TOPBAR
   ============================================================= */
.topbar {
  border-bottom: 1px solid var(--foreground);
  background: var(--background);
}
.topbar__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.topbar__mark {
  width: 14px;
  height: 14px;
  background: #000;
  display: inline-block;
}
.topbar__name em { font-style: italic; padding: 0 4px; }
.topbar__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-fg);
}
.topbar__sep { color: var(--border-light); }
.status-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border: 1.5px solid #000;
  background: #fff;
}
.status-dot[data-state="on"]  { background: #000; }
.status-dot[data-state="warn"]{ background: repeating-linear-gradient(45deg,#000,#000 2px,#fff 2px,#fff 4px); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  padding: 120px 32px 80px;
  border-bottom: 1px solid var(--border-light);
}
.hero__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.hero__eyebrow {
  color: var(--muted-fg);
  margin-bottom: 40px;
}
.hero__title {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 900;
  font-size: clamp(4rem, 14vw, 11rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  margin-bottom: 56px;
}
.hero__title .italic {
  font-weight: 400;
  color: #000;
}
.hero__rule {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 40px;
}
.hero__rule-line {
  flex: 1;
  height: 4px;
  background: #000;
}
.hero__rule-square {
  width: 18px;
  height: 18px;
  border: 2px solid #000;
  background: #fff;
  margin: 0 14px;
}
.hero__lede {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.4;
  max-width: 640px;
  color: #000;
}

/* =============================================================
   DIVIDERS
   ============================================================= */
.divider { background: #000; }
.divider--thick { height: 4px; }
.divider--ultra { height: 8px; }

/* =============================================================
   SECTIONS
   ============================================================= */
.section {
  padding: 96px 32px;
}
.section__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.section__head {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}
.section__num {
  color: var(--muted-fg);
  flex-shrink: 0;
}
.section__title {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

/* Inverted stats section */
.section--stats {
  background: #000;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section--stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg, transparent, transparent 1px, #fff 1px, #fff 2px
  );
  background-size: 4px 100%;
  opacity: 0.03;
  pointer-events: none;
}
.section__head--invert {
  border-bottom-color: rgba(255,255,255,0.2);
}
.section--stats .section__num { color: rgba(255,255,255,0.5); }

/* =============================================================
   AUTH FORM
   ============================================================= */
.auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: end;
}
.field {
  display: block;
}
.field__label {
  display: block;
  color: var(--muted-fg);
  margin-bottom: 12px;
}
.field__input {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid #000;
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  color: #000;
  border-radius: 0;
}
.field__input::placeholder {
  color: var(--muted-fg);
  font-style: italic;
}
.field__input:focus {
  outline: none;
  border-bottom-width: 4px;
}
.auth__actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  transition: all 100ms linear;
  border: 2px solid #000;
}
.btn:focus-visible {
  outline: 3px solid #000;
  outline-offset: 3px;
}
.btn--primary {
  background: #000;
  color: #fff;
}
.btn--primary:hover {
  background: #fff;
  color: #000;
}
.btn--ghost {
  background: transparent;
  color: #000;
  border-color: transparent;
  border-bottom: 2px solid #000;
  padding: 16px 8px;
}
.btn--ghost:hover {
  border-bottom-width: 4px;
  padding-bottom: 14px;
}
.btn__arrow {
  display: inline-block;
  transition: transform 100ms linear;
}
.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* =============================================================
   ERRORS
   ============================================================= */
.errors { margin-top: 32px; }
.errors:empty { display: none; }
.error {
  border: 2px solid #000;
  padding: 20px 24px;
  margin-bottom: 12px;
  font-family: "Source Serif 4", Georgia, serif;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.error__tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: #000;
  color: #fff;
  padding: 4px 10px;
  flex-shrink: 0;
}
.error__msg {
  font-style: italic;
  line-height: 1.5;
  word-break: break-word;
}

/* =============================================================
   STATS GRID
   ============================================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.2);
  border-left: 1px solid rgba(255,255,255,0.2);
}
.stat {
  padding: 40px 32px;
  border-right: 1px solid rgba(255,255,255,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  transition: background 100ms linear;
}
.stat:hover { background: rgba(255,255,255,0.04); }
.stat__label {
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}
.stat__value {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}
.stat__sub {
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
}
.stat--placeholder .stat__value {
  color: rgba(255,255,255,0.3);
}

/* =============================================================
   PLACEHOLDER
   ============================================================= */
.placeholder {
  padding: 80px 0;
  text-align: center;
  color: var(--muted-fg);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

/* =============================================================
   TABLES
   ============================================================= */
.table-wrap {
  overflow-x: auto;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
}
table.dataset {
  width: 100%;
  border-collapse: collapse;
  font-family: "Source Serif 4", Georgia, serif;
}
table.dataset thead th {
  text-align: left;
  padding: 18px 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted-fg);
  border-bottom: 1px solid #000;
  background: #fff;
  white-space: nowrap;
}
table.dataset tbody td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
  vertical-align: middle;
}
table.dataset tbody tr {
  transition: background 100ms linear, color 100ms linear;
}
table.dataset tbody tr:hover {
  background: #000;
  color: #fff;
}
table.dataset tbody tr:hover .mono,
table.dataset tbody tr:hover .meta {
  color: rgba(255,255,255,0.7);
}
table.dataset tbody tr:hover .badge {
  background: #fff;
  color: #000;
}
table.dataset tbody tr:hover .bar {
  background: rgba(255,255,255,0.2);
}
table.dataset tbody tr:hover .bar__fill {
  background: #fff;
}

.idx { color: var(--muted-fg); width: 48px; font-family: "JetBrains Mono", monospace; font-size: 0.8rem; }
.headline { font-family: "Playfair Display", Georgia, serif; font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em; }
.meta { color: var(--muted-fg); font-size: 0.8rem; font-family: "JetBrains Mono", monospace; }

/* Badges (line-based, not filled) */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid #000;
  background: #fff;
  color: #000;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}
.badge--solid { background: #000; color: #fff; }
.badge--empty { border-color: var(--border-light); color: var(--muted-fg); }

/* Capacity bar */
.bar {
  position: relative;
  width: 100%;
  height: 6px;
  background: var(--border-light);
  margin-top: 8px;
}
.bar__fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: #000;
  transition: width 200ms linear, background 100ms linear;
}
.bar__fill[data-state="warn"] {
  background: repeating-linear-gradient(45deg, #000 0 4px, #fff 4px 6px);
}
.bar__fill[data-state="full"] {
  background: repeating-linear-gradient(90deg, #000 0 2px, #fff 2px 4px);
}

.capacity-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.url {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--muted-fg);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

/* =============================================================
   SEARCH
   ============================================================= */
.search {
  display: flex;
  align-items: center;
  gap: 24px;
  border-bottom: 2px solid #000;
  margin-bottom: 32px;
  padding-bottom: 8px;
}
.search__input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 12px 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-style: italic;
  font-size: 1.125rem;
  color: #000;
  border-radius: 0;
}
.search__input:focus { outline: none; }
.search__input::placeholder { color: var(--muted-fg); }
.search__hint { color: var(--muted-fg); flex-shrink: 0; }

/* =============================================================
   FOOTER
   ============================================================= */
.footer {
  background: #fff;
  border-top: 1px solid #000;
  padding: 32px;
}
.footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted-fg);
}

/* =============================================================
   PULSE (live update flash)
   ============================================================= */
@keyframes pulse-bg {
  0%   { background: #000; color: #fff; }
  100% { background: transparent; color: #000; }
}
.pulse {
  animation: pulse-bg 600ms linear;
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 720px) {
  .topbar__inner { padding: 16px 20px; }
  .hero { padding: 64px 20px 48px; }
  .section { padding: 64px 20px; }
  .footer { padding: 24px 20px; }
  .auth { grid-template-columns: 1fr; gap: 24px; }
  .section__head { flex-direction: column; gap: 8px; margin-bottom: 32px; }
  .stat { padding: 32px 20px; }
  table.dataset thead { display: none; }
  table.dataset, table.dataset tbody, table.dataset tr, table.dataset td { display: block; width: 100%; }
  table.dataset tbody tr {
    border-bottom: 2px solid #000;
    padding: 16px 0;
  }
  table.dataset tbody td {
    border: none;
    padding: 6px 0;
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }
  table.dataset tbody td::before {
    content: attr(data-label);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted-fg);
  }
}