/* ============================================================
   Knoty Network — Components
   Every component is a single class, no nesting required.
   Load after tokens.css and base.css.
   ============================================================ */

/* ---------------- Button ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  height: 38px; padding: 0 var(--space-4);
  font-family: var(--font-body); font-size: 0.86rem; font-weight: 500;
  text-decoration: none; white-space: nowrap;
  background: var(--papaya); color: #fff7f0;
  border: 1px solid var(--papaya); border-radius: var(--r-btn);
  transition: background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease),
              color var(--dur-base) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--cream); }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; }
.btn[disabled]:hover { background: var(--papaya); border-color: var(--papaya); color: #fff7f0; }

.btn--ghost {
  background: rgba(250, 246, 236, 0.22);
  color: var(--ink); border-color: var(--line-2);
}
.btn--ghost:hover { background: rgba(250, 246, 236, 0.6); color: var(--ink); border-color: var(--ink); }

.btn--quiet { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--quiet:hover { border-color: var(--ink); background: transparent; color: var(--papaya); }

.btn--sm { height: 32px; font-size: 0.78rem; padding: 0 var(--space-3); }
.btn--lg { height: 44px; font-size: 0.92rem; padding: 0 var(--space-6); }
.btn--block { width: 100%; }

/* ---------------- Inputs ---------------- */
.field { display: block; margin-bottom: var(--space-4); }
.field > span {
  display: block; font-family: var(--font-mono); font-size: 0.52rem;
  letter-spacing: var(--tracking-mono); text-transform: uppercase;
  color: var(--ink-45); margin-bottom: var(--space-2);
}
.input, .field input, .field textarea, .field select {
  width: 100%; padding: 0.7rem 0.8rem;
  font-family: var(--font-body); font-size: 0.92rem; color: var(--ink);
  background: var(--sand); border: 1px solid var(--line-2); border-radius: var(--r-btn);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.input::placeholder { color: var(--ink-30); }
.input:focus, .field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--papaya);
  box-shadow: 0 0 0 3px rgba(217, 96, 58, 0.16);
}
textarea.input { min-height: 84px; resize: vertical; }

/* Checkbox row */
.check { display: flex; gap: var(--space-3); align-items: flex-start; font-size: 0.85rem; color: var(--ink-70); line-height: 1.5; margin-bottom: var(--space-3); }
.check input { margin-top: 0.15rem; width: 15px; height: 15px; accent-color: var(--sea); flex-shrink: 0; }

/* ---------------- Card ---------------- */
.card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: var(--space-5);
}
.card--flush { padding: 0; overflow: hidden; }
.card--raised { box-shadow: var(--shadow-md); }
.card > h2, .card > h3 { margin-bottom: var(--space-3); }

/* Card header with inline action */
.card-action {
  display: inline-flex; align-items: center; gap: 0.25rem;
  height: 26px; padding: 0 0.55rem; flex-shrink: 0;
  font-family: var(--font-mono); font-size: 0.5rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-45); background: none;
  border: 1px solid var(--line); border-radius: var(--r-chip);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.card-action:hover { color: var(--papaya); border-color: var(--papaya); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-2); }

/* ---------------- Pill / tag ---------------- */
.pill {
  display: inline-block; padding: 0.22rem 0.5rem;
  font-family: var(--font-mono); font-size: 0.52rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--line-2); border-radius: var(--r-chip);
  color: var(--ink-70); white-space: nowrap;
}
.pill--positive { border-color: rgba(42, 127, 158, 0.4); color: var(--sea); background: rgba(215, 233, 239, 0.5); }
.pill--attention { border-color: rgba(217, 96, 58, 0.45); color: var(--papaya); }
.pill--quiet { border-color: var(--line); color: var(--ink-45); }

/* ---------------- Meter (the only progress bar) ---------------- */
.meter { height: 8px; background: rgba(18, 48, 63, 0.09); border-radius: var(--r-pill); overflow: hidden; }
.meter > i { display: block; height: 100%; width: 0; border-radius: var(--r-pill); background: var(--sea); transition: width var(--dur-slow) var(--ease); }
.meter > i.is-attention { background: var(--papaya); }
.meter > i.is-full { width: 100%; }

/* ---------------- Micro-sector (segmented strip) ---------------- */
.sector { display: flex; align-items: flex-end; gap: 3px; height: 22px; }
.sector > i {
  flex: 1; height: 15px; border-radius: 2px;
  background: var(--sea); opacity: 0.85; cursor: pointer;
  transform: scaleY(0); transform-origin: bottom;
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast), height var(--dur-fast);
}
.sector > i.is-off { background: rgba(18, 48, 63, 0.13); }
.sector > i.is-attention { background: var(--papaya); }
.sector:hover > i { opacity: 1; }
.sector > i:hover { height: 20px; }
.pane:not([hidden]) .sector > i,
.sector.is-live > i { animation: chip-in 0.45s var(--ease) both; animation-delay: calc(var(--i, 0) * var(--stagger)); }
@keyframes chip-in { from { transform: scaleY(0); opacity: 0; } to { transform: scaleY(1); opacity: 0.85; } }

/* ---------------- Tabs ---------------- */
.tabs { display: flex; gap: 0.15rem; min-width: 0; }
.tabs button {
  height: 38px; padding: 0 0.7rem; border-radius: var(--r-chip);
  font-size: 0.86rem; color: var(--ink-70); white-space: nowrap;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.tabs button:hover { background: rgba(250, 246, 236, 0.7); color: var(--ink); }
.tabs button.on { background: var(--cream); color: var(--ink); font-weight: 500; }
.tabs .k { font-family: var(--font-mono); font-size: 0.5rem; color: var(--ink-30); margin-left: 0.2rem; }
.tabs .k.hot { color: var(--papaya); }

/* ---------------- Dropdown menu ---------------- */
.menu, .tab-menu {
  position: absolute; z-index: var(--z-menu); min-width: 210px;
  background: var(--cream); border: 1px solid var(--line-2); border-radius: var(--r-card);
  padding: 0.4rem; box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-10px) scale(0.965);
  transform-origin: top right;
  filter: blur(6px);
  visibility: hidden; pointer-events: none;
  transition:
    opacity 0.22s ease,
    transform 0.34s var(--ease),
    filter 0.28s ease,
    visibility 0.34s;
}
.menu.open, .tab-menu.open {
  opacity: 1;
  transform: none;
  filter: blur(0);
  visibility: visible;
  pointer-events: auto;
}

/* items land one after another, and leave in reverse */
.menu > *, .tab-menu > * {
  opacity: 0;
  transform: translateY(-7px) scale(0.98);
  filter: blur(4px);
  transition:
    opacity 0.26s ease,
    transform 0.32s var(--ease),
    filter 0.26s ease;
  transition-delay: calc((var(--n, 8) - var(--i, 0)) * 9ms);
}
.menu.open > *, .tab-menu.open > * {
  opacity: 1;
  transform: none;
  filter: blur(0);
  transition-delay: calc(var(--i, 0) * 22ms);
}
.menu a, .menu button.menu-item {
  display: block; width: 100%; text-align: left;
  padding: 0.5rem 0.6rem; border-radius: var(--r-chip);
  font-size: 0.86rem; color: var(--ink-70); text-decoration: none;
}
.menu a:hover, .menu button.menu-item:hover { background: rgba(18, 48, 63, 0.06); color: var(--ink); }
.menu .danger { color: var(--papaya); }
.menu .divider { height: 1px; background: var(--line); margin: 0.35rem 0; }
.menu .menu-head { padding: 0.5rem 0.6rem 0.6rem; border-bottom: 1px solid var(--line); margin-bottom: 0.35rem; }
.menu .menu-head b { display: block; font-size: 0.82rem; font-weight: 500; }
.menu .menu-head span { font-size: 0.72rem; color: var(--ink-45); }

/* ---------------- Segmented switch ---------------- */
.role-switch {
  display: inline-flex; justify-content: center; gap: 2px; padding: 2px;
  background: rgba(18, 48, 63, 0.05); border: 1px solid var(--line-2); border-radius: var(--r-btn);
}
.role-switch button {
  padding: 0.32rem 0.62rem; border-radius: var(--r-btn);
  font-family: var(--font-mono); font-size: 0.5rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-45);
}
.role-switch button.on { background: var(--cream); color: var(--ink); }

/* ---------------- Avatar ---------------- */
.avatar {
  width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; flex-shrink: 0;
  background: var(--sea); color: var(--cream);
  font-size: 0.6rem; font-weight: 600;
}

/* ---------------- Command palette ---------------- */
.cmdk {
  position: fixed; inset: 0; z-index: var(--z-modal);
  display: grid; place-items: start center; padding-top: 12vh;
  background: rgba(10, 25, 32, 0);
  visibility: hidden;
  transition: background 0.28s ease, visibility 0.28s;
}
.cmdk.open { background: rgba(10, 25, 32, 0.32); visibility: visible; }
.cmdk-box {
  width: min(560px, 92vw); overflow: hidden;
  background: var(--cream); border: 1px solid var(--line-2); border-radius: var(--r-card);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-14px) scale(0.97);
  filter: blur(6px);
  transition: opacity 0.2s ease, transform 0.34s var(--ease), filter 0.28s ease;
}
.cmdk.open .cmdk-box { opacity: 1; transform: none; filter: blur(0); }

/* ---------------- Table ---------------- */
.table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.table th {
  text-align: left; padding: 0 var(--space-4) 0.6rem 0;
  font-family: var(--font-mono); font-size: 0.52rem;
  letter-spacing: var(--tracking-mono); text-transform: uppercase;
  color: var(--ink-45); font-weight: 400;
  border-bottom: 1px solid var(--line);
}
.table td { padding: 0.7rem var(--space-4) 0.7rem 0; border-bottom: 1px solid rgba(18, 48, 63, 0.08); }
.table th:last-child, .table td:last-child { padding-right: 0; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background var(--dur-fast); }
.table tbody tr:hover { background: rgba(42, 127, 158, 0.055); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table .mono { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-45); }

/* ---------------- Toast ---------------- */
.toast {
  position: fixed; left: 50%; bottom: var(--space-5); z-index: var(--z-toast);
  transform: translate(-50%, 140%) scale(0.96); opacity: 0;
  background: var(--ink); color: var(--cream);
  padding: 0.7rem 1rem; border-radius: var(--r-btn);
  font-size: 0.84rem; pointer-events: none;
  transition: transform 0.45s var(--ease), opacity 0.3s ease;
}
.toast.on { transform: translate(-50%, 0) scale(1); opacity: 1; }

/* ---------------- Popover ---------------- */
.pop {
  position: fixed; z-index: var(--z-pop);
  width: max-content; max-width: 276px; max-height: 74vh; overflow-y: auto;
  background: var(--cream); border: 1px solid var(--line-2); border-radius: var(--r-card);
  padding: 0.75rem 0.85rem; box-shadow: var(--shadow-lg);
  font-size: 0.78rem; line-height: 1.45; color: var(--ink-70);
  transform: translateX(-50%) translateY(6px) scale(0.97);
  transform-origin: center bottom;
  filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.26s var(--ease),
    filter 0.22s ease;
}
.pop.on {
  opacity: 1;
  transform: translateX(-50%) scale(1);
  filter: blur(0);
  pointer-events: auto;
}
.pop .pop-title { font-size: 0.85rem; font-weight: 500; color: var(--ink); margin-bottom: var(--space-2); }
.pop .pop-row { display: flex; justify-content: space-between; gap: 0.9rem; padding: 0.16rem 0; }
.pop .pop-row b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.pop .pop-k { font-family: var(--font-mono); font-size: 0.48rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-30); }
.pop .pop-sep { height: 1px; background: var(--line); margin: 0.5rem 0; }
.pop .pop-link { display: inline-block; margin-top: var(--space-2); color: var(--sea); text-decoration: none; font-size: 0.76rem; }
.pop .pop-link:hover { color: var(--papaya); }

/* ---------------- Stat ---------------- */
.stat .k { display: block; font-family: var(--font-mono); font-size: 0.53rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-45); margin-bottom: var(--space-2); }
.stat b { display: block; font-family: var(--font-display); font-size: 1.75rem; font-weight: 500; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { font-size: 0.78rem; color: var(--ink-70); }
.stat .up { color: var(--sea); }
.stat .warn { color: var(--papaya); }

/* ---------------- Layout helpers ---------------- */
.grid-2 { display: grid; grid-template-columns: 1.35fr 1fr; gap: var(--space-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.stack { display: grid; gap: var(--space-3); }
.row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* ---------------- Bathymetry surface ---------------- */
.chart-field {
  background-color: var(--sand);
  background-image:
    url("../assets/chart-tile.svg"),
    repeating-linear-gradient(0deg, rgba(18, 48, 63, 0.03) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(90deg, rgba(18, 48, 63, 0.03) 0 1px, transparent 1px 104px);
  background-size: 1000px 1000px, 104px 104px, 104px 104px;
  background-repeat: repeat;
}

/* ---------------- Reveal on scroll ---------------- */
[data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ---------------- Utility ---------------- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }