/*
  SeaSound Ecosystem - shared Cadence-aligned shell styles.
  Professional navy/white sidebar system (Phase B palette) with reusable page,
  card, table, topbar, and depth-control treatments for the whole static ecosystem.
*/

:root {
  --ss-ink: #20201f;
  --ss-muted: #64625e;
  --ss-line: #D3DEEB;
  --ss-line-strong: #B8CCDE;
  --ss-tint: #EEF4FB;
  --ss-paper: #f6f4ef;
  --ss-panel: #FFFFFF;
  --ss-panel-soft: #fbfaf7;
  --ss-ivory: #FFFFFF;
  --ss-rail: #0A1F3F;
  --ss-rail-deep: #050D1E;
  --ss-rail-warm: #0066CC;
  --ss-accent: #0066CC;
  --ss-gold: #0066CC;
  --ss-ok: #3f704f;
  --ss-warn: #b86c22;
  --ss-risk: #a13d36;
  --ss-info: #0066CC;
  --ss-sidebar-w: 258px;
  --ss-max-width: 1120px;
  --ss-radius: 6px;
  --ss-shadow: 0 10px 28px rgba(10, 31, 63, 0.08);
  --ss-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ss-serif: Georgia, "Times New Roman", serif;
  --ss-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    linear-gradient(90deg, rgba(10, 31, 63, 0.06), transparent 7%, transparent 93%, rgba(10, 31, 63, 0.06)),
    var(--ss-paper);
  color: var(--ss-ink);
  font-family: var(--ss-sans);
  font-size: 15px;
  line-height: 1.55;
  border: 6px solid var(--ss-rail);
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: var(--ss-accent);
  text-decoration: none;
  font-weight: 750;
}

a:hover,
a:focus {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ss-skip-link {
  position: absolute;
  left: -9999px;
}

.ss-skip-link:focus {
  left: 10px;
  top: 10px;
  z-index: 100;
  background: var(--ss-panel);
  color: var(--ss-ink);
  padding: 8px 12px;
  border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius);
}

.ss-shell {
  display: grid;
  grid-template-columns: var(--ss-sidebar-w) minmax(0, 1fr);
  min-height: calc(100vh - 12px);
}

.ss-sidebar {
  background: linear-gradient(180deg, var(--ss-rail), var(--ss-rail-deep));
  color: #FFFFFF;
  position: sticky;
  top: 0;
  height: calc(100vh - 12px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 30;
  border-right: 1px solid rgba(211, 222, 235, 0.20);
  box-shadow: 8px 0 24px rgba(5, 13, 30, 0.12);
}

.ss-sidebar-brand {
  padding: 18px 14px 16px;
  border-bottom: 1px solid rgba(211, 222, 235, 0.30);
}

.ss-wordmark {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  text-align: center;
  padding: 10px 12px 9px;
  border-radius: 10px;
  border: 1px solid rgba(211, 222, 235, 0.30);
  background: rgba(211, 222, 235, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 6px 14px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.ss-wordmark::before {
  content: "";
  position: absolute;
  width: 55px;
  height: 130%;
  left: -70px;
  top: -15%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  transform: skewX(-18deg);
  animation: ssSheen 22s ease-in-out infinite;
}

.ss-wm-title {
  position: relative;
  z-index: 1;
  color: #FFFFFF;
  font-family: var(--ss-serif);
  font-size: 25px;
  font-weight: 850;
  letter-spacing: -0.6px;
  line-height: 0.92;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.20);
}

.ss-wm-title span {
  color: #0066CC;
  margin: 0 1px;
}

.ss-wm-sub {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 7px;
  color: #B8CCDE;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 1.45px;
  line-height: 1;
  text-transform: uppercase;
}

.ss-wm-sub::before,
.ss-wm-sub::after {
  content: "";
  width: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(211, 222, 235, 0.40));
}

.ss-wm-sub::after {
  background: linear-gradient(90deg, rgba(211, 222, 235, 0.40), transparent);
}

@keyframes ssSheen {
  0%,
  64%,
  100% {
    transform: translateX(0) skewX(-18deg);
  }
  80% {
    transform: translateX(300px) skewX(-18deg);
  }
}

.ss-sidebar-label {
  margin: 18px 16px 8px;
  color: #B8CCDE;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ss-sidebar-nav {
  display: grid;
  gap: 6px;
  flex: 1;
  padding: 0 12px 14px;
}

.ss-sidebar-nav a {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: var(--ss-radius);
  color: #FFFFFF;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 850;
  line-height: 1.2;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.ss-sidebar-nav a:hover,
.ss-sidebar-nav a:focus,
.ss-sidebar-nav a[aria-current="page"] {
  background: rgba(211, 222, 235, 0.15);
  border-color: rgba(211, 222, 235, 0.20);
  box-shadow: inset 4px 0 0 #0066CC;
  text-decoration: none;
}

.ss-nav-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: rgba(211, 222, 235, 0.12);
  color: #B8CCDE;
  border: 1px solid rgba(211, 222, 235, 0.16);
  font-family: var(--ss-mono);
  font-size: 10px;
  font-weight: 850;
}

.ss-sidebar-nav a[aria-current="page"] .ss-nav-icon {
  background: #0066CC;
  border-color: rgba(255, 255, 255, 0.20);
  color: #FFFFFF;
}

.ss-sidebar-footer {
  margin: 0 14px 14px;
  padding: 13px 12px;
  border: 1px solid rgba(211, 222, 235, 0.20);
  border-radius: 8px;
  background: rgba(211, 222, 235, 0.08);
  color: #B8CCDE;
  font-size: 11px;
  line-height: 1.4;
}

.ss-sidebar-footer strong {
  display: block;
  color: #FFFFFF;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ss-sidebar-footer a {
  color: #B8CCDE;
  font-weight: 850;
}

.ss-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   TOP BAR — Cadence-aligned framing (breadcrumb, clock,
   depth controls, alert bell, user profile)
   ============================================================ */

.ss-header {
  position: sticky;
  top: 6px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--ss-line);
  backdrop-filter: blur(10px);
}

.ss-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 8px 18px;
}

.ss-crumbs {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--ss-muted);
  font-size: 13px;
  white-space: nowrap;
}

.ss-crumbs .ss-crumb-sep {
  color: var(--ss-line-strong);
}

.ss-crumbs strong {
  color: var(--ss-ink);
  font-weight: 850;
}

.ss-top-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-left: auto;
  color: var(--ss-muted);
  font-size: 12px;
  white-space: nowrap;
}

.ss-meta-divider {
  color: var(--ss-line-strong);
  user-select: none;
}

.ss-meta-view {
  font-weight: 700;
  color: var(--ss-ink);
  cursor: default;
}

.ss-clock {
  font-family: var(--ss-mono);
  font-size: 12px;
  color: var(--ss-ink);
  font-weight: 700;
  min-width: 74px;
  text-align: center;
}

.ss-reset-btn,
.ss-alert-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--ss-line-strong);
  border-radius: 5px;
  background: var(--ss-panel);
  color: var(--ss-ink);
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 750;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.ss-reset-btn:hover,
.ss-alert-btn:hover {
  background: var(--ss-tint, #EEF4FB);
  border-color: var(--ss-accent);
}

.ss-alert-count {
  background: var(--ss-accent);
  color: #fff;
  border-radius: 9px;
  font-size: 10px;
  font-weight: 800;
  padding: 1px 6px;
  min-width: 16px;
  text-align: center;
}

.ss-alert-btn.is-empty .ss-alert-count {
  background: var(--ss-line-strong);
  color: var(--ss-muted);
}

/* Depth controls — the Cadence "Depth Controls" pill group */
.ss-depth {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.ss-depth-btns {
  display: flex;
  gap: 2px;
  background: #e6edf6;
  border-radius: 5px;
  padding: 2px;
}

.ss-depth-btn {
  border: none;
  background: transparent;
  color: var(--ss-muted);
  padding: 3px 9px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.ss-depth-btn:hover {
  color: var(--ss-ink);
}

.ss-depth-btn.is-active {
  background: var(--ss-panel);
  color: var(--ss-accent);
  box-shadow: 0 1px 2px rgba(10, 31, 63, 0.12);
}

.ss-depth-label {
  font-size: 9px;
  color: var(--ss-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}

/* User profile lockup */
.ss-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ss-avatar {
  width: 31px;
  height: 31px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--ss-rail);
  color: #fff;
  border: 1px solid var(--ss-accent);
  font-family: var(--ss-serif);
  font-size: 14px;
}

.ss-user-block {
  display: grid;
  line-height: 1.15;
}

.ss-user-block strong {
  font-family: var(--ss-serif);
  font-size: 13px;
  color: var(--ss-rail);
  font-weight: 600;
}

.ss-user-block span {
  color: var(--ss-muted);
  font-size: 9px;
}

.ss-nav-toggle {
  display: none;
  min-height: 34px;
  border: 1px solid var(--ss-line-strong);
  border-radius: var(--ss-radius);
  background: var(--ss-panel);
  color: var(--ss-ink);
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

/* ============================================================
   DEPTH VISIBILITY — content shows/hides per selected depth.
   Default (overview) hides ops + advanced content.
   ============================================================ */

.ss-depth-ops,
.ss-depth-adv {
  display: none;
}

body[data-depth="operations"] .ss-depth-ops,
body[data-depth="advanced"] .ss-depth-ops,
body[data-depth="advanced"] .ss-depth-adv {
  display: revert;
}

/* Optional cue shown only at overview level pointing to deeper layers */
.ss-depth-hint {
  display: none;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--ss-muted);
  font-style: italic;
}

body[data-depth="overview"] .ss-depth-hint {
  display: block;
}

/* General copy helpers for pages that want most explanatory text to deepen */
.ss-copy-ops,
.ss-copy-adv {
  display: none;
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75);
}

body[data-depth="operations"] .ss-copy-ops,
body[data-depth="advanced"] .ss-copy-ops,
body[data-depth="advanced"] .ss-copy-adv {
  display: revert;
}

.ss-copy-ops {
  background: #eef4fb;
  border-color: rgba(0, 102, 204, 0.20);
  color: #0a1f3f;
}

.ss-copy-adv {
  background: #f4efe6;
  border-color: rgba(184, 108, 34, 0.22);
  color: #4d3214;
}

.ss-copy-ops strong,
.ss-copy-ops code,
.ss-copy-ops a {
  color: #0a1f3f;
}

.ss-copy-adv strong,
.ss-copy-adv code,
.ss-copy-adv a {
  color: #4d3214;
}

.ss-main {
  width: 100%;
  max-width: var(--ss-max-width);
  margin: 0 auto;
  padding: 38px 30px 72px;
}

.ss-page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.ss-tag {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  border: 1px solid rgba(0, 102, 204, 0.20);
  border-radius: 999px;
  background: #EEF4FB;
  color: #0066CC;
  padding: 3px 10px;
  font-family: var(--ss-mono);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.ss-page-title {
  max-width: 840px;
  margin: 0 0 8px;
  color: var(--ss-ink);
  font-family: var(--ss-serif);
  font-size: clamp(2.45rem, 5.2vw, 4.75rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 0.95;
}

.ss-page-purpose {
  max-width: 760px;
  margin: 0 0 30px;
  color: var(--ss-muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.ss-status-note,
.ss-desktop-note {
  position: relative;
  margin: 0 0 30px;
  border: 1px solid var(--ss-line);
  border-left: 4px solid #0066CC;
  border-radius: var(--ss-radius);
  background: var(--ss-panel);
  box-shadow: var(--ss-shadow);
  padding: 15px 17px;
  font-size: 0.92rem;
}

.ss-status-note strong,
.ss-desktop-note strong {
  color: var(--ss-ink);
}

.ss-section {
  margin-bottom: 42px;
}

.ss-section h2 {
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ss-line);
  color: var(--ss-ink);
  font-family: var(--ss-serif);
  font-size: 1.38rem;
  line-height: 1.1;
}

.ss-section p {
  color: var(--ss-muted);
}

.ss-list {
  margin: 0;
  padding-left: 20px;
}

.ss-list li {
  margin-bottom: 7px;
}

.ss-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.ss-card {
  position: relative;
  min-height: 154px;
  background: var(--ss-panel);
  border: 1px solid var(--ss-line);
  border-radius: var(--ss-radius);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
  padding: 17px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.ss-card:hover {
  transform: translateY(-2px);
  border-color: var(--ss-line-strong);
  box-shadow: var(--ss-shadow);
}

.ss-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 999px;
  background: #0066CC;
  opacity: 0.80;
}

.ss-card h3 {
  margin: 0 0 7px;
  color: var(--ss-ink);
  font-size: 1.04rem;
  font-weight: 850;
  line-height: 1.2;
}

.ss-card p {
  margin: 0 0 12px;
  color: var(--ss-muted);
  font-size: 0.92rem;
  line-height: 1.48;
}

.ss-card .ss-tag {
  margin-bottom: 10px;
}

.ss-card a {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  color: #0066CC;
  font-size: 0.9rem;
  font-weight: 850;
}

table {
  border-collapse: collapse;
}

th {
  background: #EEF4FB !important;
  color: var(--ss-rail) !important;
  font-family: var(--ss-sans);
  font-size: 0.76rem !important;
  font-weight: 850;
}

td {
  color: var(--ss-ink);
}

.ss-footer {
  margin-top: auto;
  border-top: 1px solid var(--ss-line);
  background: rgba(255, 253, 250, 0.72);
  padding: 20px;
  text-align: center;
  color: var(--ss-muted);
  font-size: 0.84rem;
}

.ss-footer a {
  margin: 0 7px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 820px) {
  body {
    border-width: 0;
  }

  .ss-shell {
    grid-template-columns: 1fr;
    min-height: 100vh;
  }

  .ss-sidebar {
    position: fixed;
    left: -286px;
    top: 0;
    width: 286px;
    height: 100vh;
    transition: left 0.25s ease;
  }

  .ss-sidebar.is-open {
    left: 0;
  }

  .ss-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 25;
    background: rgba(0, 0, 0, 0.34);
  }

  .ss-sidebar-backdrop.is-open {
    display: block;
  }

  .ss-header {
    top: 0;
  }

  .ss-topbar {
    padding: 8px 14px;
    gap: 8px;
  }

  .ss-nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  /* Collapse the heavier topbar furniture on small screens —
     keep clock, depth controls, alert, and avatar. */
  .ss-meta-view,
  .ss-meta-divider,
  .ss-reset-btn,
  .ss-depth-label,
  .ss-user-block {
    display: none;
  }

  .ss-crumbs {
    font-size: 12px;
  }

  .ss-top-meta {
    gap: 6px;
  }

  .ss-main {
    padding: 30px 18px 56px;
  }

  .ss-page-title {
    font-size: clamp(2.25rem, 12vw, 3.5rem);
  }

  .ss-card-grid {
    grid-template-columns: 1fr;
  }
}