/* Highschool Gate — Hi-fi shared styles
   Loaded by every standalone page. Pairs with _shared.js (primitives). */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

/* Highschool Gate — Hi-fi Design System
   Direction A: Institutional warm (cream + navy + brass)
   Direction B: Editorial scholarly (softer cream + navy, brass accents) */

:root,
[data-theme="light-a"] {
  --paper: #f7f4ec;
  --paper-2: #efeadd;
  --paper-3: #e6dfce;
  --card: #fbf8f0;
  --ink: #0f1a33;
  --ink-2: #1b2a4e;
  --ink-3: #4a5878;
  --ink-4: #8b93a8;
  --line: #d7ceb8;
  --line-2: #e9e2ce;
  --accent: #b8985a;
  --accent-2: #9f7f42;
  --accent-soft: #e8dcc0;
  --ok: #4a7a5c;
  --warn: #b76e3a;
  --danger: #9a3a2b;

  --radius: 4px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px rgba(15, 26, 51, 0.06);
  --shadow: 0 2px 6px rgba(15, 26, 51, 0.08), 0 1px 2px rgba(15, 26, 51, 0.04);
  --shadow-lg:
    0 20px 50px rgba(15, 26, 51, 0.14), 0 4px 12px rgba(15, 26, 51, 0.06);

  --font-display: "Fraunces", "EB Garamond", Georgia, serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="dark-a"] {
  --paper: #0e1628;
  --paper-2: #141e35;
  --paper-3: #1a2540;
  --card: #162038;
  --ink: #f2ead6;
  --ink-2: #d8d0bc;
  --ink-3: #9aa4bc;
  --ink-4: #5e6684;
  --line: #2a3655;
  --line-2: #1f2a45;
  --accent: #d4b778;
  --accent-2: #e8c98a;
  --accent-soft: #2a2414;
  --ok: #7cb08e;
  --warn: #d89564;
  --danger: #d07160;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
}

/* ——— Direction B: Editorial — same palette, different spacing/rules ——— */
[data-theme="light-b"] {
  --paper: #faf7ee;
  --paper-2: #f2eddd;
  --paper-3: #e8e1cb;
  --card: #fffcf4;
  --ink: #0b1326;
  --ink-2: #1b2a4e;
  --ink-3: #4a5878;
  --ink-4: #8b93a8;
  --line: #c9be9e;
  --line-2: #e4dcc2;
  --accent: #8e6f38;
  --accent-2: #6e5528;
  --accent-soft: #efe4c8;
  --ok: #3f6e51;
  --warn: #a85f2e;
  --danger: #8c3325;

  --font-display: "Fraunces", "EB Garamond", Georgia, serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
}

[data-theme="dark-b"] {
  --paper: #0a1222;
  --paper-2: #121b30;
  --paper-3: #18223c;
  --card: #141d35;
  --ink: #efe7d3;
  --ink-2: #d2cab5;
  --ink-3: #9aa4bc;
  --ink-4: #5e6684;
  --line: #26314d;
  --line-2: #1b2540;
  --accent: #c9a96a;
  --accent-2: #deba7a;
  --accent-soft: #241e0f;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  height: 100%;
  overflow: hidden;
}

/* ——— Typography ——— */
.h-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.02;
}
.h-display.italic {
  font-style: italic;
}
.eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.rule {
  height: 1px;
  background: var(--line);
}
.rule.thick {
  height: 2px;
  background: var(--ink);
}
.rule.accent {
  background: var(--accent);
  height: 2px;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  border-color: var(--ink-3);
  background: var(--paper-2);
}
.btn.primary {
  background: var(--ink-2);
  color: var(--paper);
  border-color: var(--ink-2);
}
.btn.primary:hover {
  background: var(--ink);
  border-color: var(--ink);
}
.btn.accent {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}
.btn.accent:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}
.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-2);
}
.btn.ghost:hover {
  background: var(--paper-2);
}
.btn.sm {
  padding: 6px 12px;
  font-size: 13px;
}
.btn.lg {
  padding: 13px 22px;
  font-size: 15px;
}

/* ——— Chips / Badges ——— */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 99px;
  white-space: nowrap;
}
.chip.solid {
  background: var(--ink-2);
  color: var(--paper);
  border-color: var(--ink-2);
}
.chip.accent {
  background: var(--accent-soft);
  color: var(--accent-2);
  border-color: var(--accent);
}
.chip.ghost {
  background: transparent;
}

/* ——— Card ——— */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card.flat {
  box-shadow: none;
}
.card.raised {
  box-shadow: var(--shadow);
  border-color: transparent;
}

/* ——— Input ——— */
.input {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s ease;
}
.input:focus {
  border-color: var(--ink-2);
}
.input::placeholder {
  color: var(--ink-4);
}

/* ——— Progress ——— */
.bar {
  height: 4px;
  background: var(--line-2);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}
.bar > i {
  display: block;
  height: 100%;
  background: var(--ink-2);
  border-radius: 99px;
  transition: width 0.4s ease;
}
.bar.accent > i {
  background: var(--accent);
}

/* ——— Screen (full-bleed app surface) ——— */
.screen {
  width: 100%;
  background: var(--paper);
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  border: none;
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.screen > .screen-body {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.screen-bar {
  display: none;
}

/* ——— Nav primitives ——— */
.topnav {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 32px;
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark .seal {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-family: var(--font-display);
  font-style: italic;
}

.nav-link {
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  padding: 8px 2px;
  position: relative;
  transition: color 0.15s ease;
}
.nav-link:hover {
  color: var(--ink);
}
.nav-link.active {
  color: var(--ink);
  font-weight: 500;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
}

/* ——— Sidebar (for app shell) ——— */
.sidebar {
  width: 240px;
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.sidebar-group {
  padding: 16px 20px 6px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 20px;
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s ease;
}
.sidebar-item:hover {
  background: var(--paper-3);
}
.sidebar-item.active {
  background: var(--card);
  color: var(--ink);
  border-left-color: var(--accent);
  font-weight: 500;
}
.sidebar-item .i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.75;
}

/* ——— Placeholder image ——— */
.ph-img {
  background: linear-gradient(135deg, var(--paper-2), var(--paper-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}
.ph-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent 0 14px,
    rgba(27, 42, 78, 0.04) 14px 15px
  );
}
.ph-img > span {
  position: relative;
  z-index: 1;
  background: var(--card);
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
}

/* ——— Icon primitives ——— */
.icon-line {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  flex-shrink: 0;
}

/* ——— AI chat widget ——— */
.ai-fab {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--ink-2);
  color: var(--paper);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  z-index: 100;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  border: 2px solid var(--accent);
  transition: transform 0.15s ease;
}
.ai-fab:hover {
  transform: scale(1.05);
}
.ai-panel {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 360px;
  height: 480px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow: hidden;
}
.ai-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper-2);
}
.ai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ink-2);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  border: 1.5px solid var(--accent);
}
.ai-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ai-msg {
  max-width: 85%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.45;
}
.ai-msg.bot {
  background: var(--paper-2);
  color: var(--ink);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.ai-msg.user {
  background: var(--ink-2);
  color: var(--paper);
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.ai-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 14px 10px;
}
.ai-suggest > button {
  font-family: inherit;
  font-size: 12px;
  padding: 6px 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--ink-2);
  cursor: pointer;
}
.ai-suggest > button:hover {
  background: var(--paper-3);
}
.ai-input {
  border-top: 1px solid var(--line);
  padding: 10px 12px;
  display: flex;
  gap: 8px;
  background: var(--card);
}
.ai-input input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  outline: none;
}
.ai-input input::placeholder {
  color: var(--ink-4);
}

/* ——— Utility ——— */
.row {
  display: flex;
}
.col {
  display: flex;
  flex-direction: column;
}
.flex-1 {
  flex: 1;
}
.gap-8 {
  gap: 8px;
}
.gap-12 {
  gap: 12px;
}
.gap-16 {
  gap: 16px;
}
.gap-24 {
  gap: 24px;
}
.mt-4 {
  margin-top: 4px;
}
.mt-8 {
  margin-top: 8px;
}
.mt-12 {
  margin-top: 12px;
}
.mt-16 {
  margin-top: 16px;
}
.mt-24 {
  margin-top: 24px;
}
.mt-32 {
  margin-top: 32px;
}

/* ——— Stage / presenter ——— */
.stage {
  min-height: 100vh;
  display: flex;
  background: var(--paper-3);
}
.stage-nav {
  width: 260px;
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  padding: 24px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}
.stage-nav h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 24px;
  margin: 0 0 2px;
  letter-spacing: -0.015em;
}
.stage-nav .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.stage-nav .nav-group {
  margin-top: 22px;
}
.stage-nav .nav-group-title {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
  padding: 0 8px 6px;
}
.stage-nav .stage-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  border-left: 2px solid transparent;
}
.stage-nav .stage-item:hover {
  background: var(--paper-3);
}
.stage-nav .stage-item.active {
  background: var(--card);
  color: var(--ink);
  font-weight: 500;
  border-left-color: var(--accent);
}
.stage-nav .num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-4);
  width: 18px;
}
.stage-main {
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  min-width: 0;
}
.stage-header {
  width: 1280px;
  max-width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
}
.stage-header h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 32px;
  margin: 0;
  letter-spacing: -0.015em;
}
.stage-header .desc {
  color: var(--ink-3);
  font-size: 13px;
  max-width: 560px;
}

/* ——— Theme toggle row ——— */
.theme-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: 99px;
}
.theme-switcher button {
  font-family: inherit;
  font-size: 12px;
  padding: 5px 12px;
  border: none;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  border-radius: 99px;
}
.theme-switcher button.active {
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

/* ——— Ring (for dashboards) ——— */
.ring-wrap {
  position: relative;
  display: inline-grid;
  place-items: center;
}

/* ——— Table ——— */
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.tbl th {
  text-align: left;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 12px 0;
  border-bottom: 2px solid var(--ink);
}
.tbl td {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}
.tbl.compact td {
  padding: 10px 0;
}

/* ——— Phone frame ——— */
.phone {
  width: 360px;
  height: 740px;
  background: var(--ink);
  border-radius: 44px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 32px;
  overflow: hidden;
  background: var(--paper);
  position: relative;
  display: flex;
  flex-direction: column;
}
.phone-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 32px;
  background: var(--ink);
  border-radius: 20px;
  z-index: 10;
}
.phone-statusbar {
  height: 54px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 28px 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.phone-home {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 130px;
  height: 5px;
  background: var(--ink);
  opacity: 0.35;
  border-radius: 99px;
}

/* ——— Additions for alt/ (interactivity helpers) ——— */
.flash {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--ink-2);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 99px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  z-index: 9999;
  font-family: var(--font-sans);
}
.flash.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.chip,
.btn,
.sidebar-item,
.nav-link,
.stage-item,
.ai-fab {
  user-select: none;
}

/* Global page chrome for each alt view — fills viewport, scales content up on wide displays */
.page-chrome {
  width: 100vw;
  height: 100vh;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  background: var(--paper);
  transform-origin: 0 0;
  overflow: hidden;
}
/* Mobile mockups: center the phone inside the page-chrome */
.page-chrome > .phone {
  margin: auto;
  flex-shrink: 0;
}
@media (min-width: 1440px) and (max-width: 1599px) {
  .page-chrome {
    transform: scale(1.12);
    width: calc(100vw / 1.12);
    height: calc(100vh / 1.12);
  }
}
@media (min-width: 1600px) and (max-width: 1919px) {
  .page-chrome {
    transform: scale(1.25);
    width: calc(100vw / 1.25);
    height: calc(100vh / 1.25);
  }
}
@media (min-width: 1920px) and (max-width: 2399px) {
  .page-chrome {
    transform: scale(1.5);
    width: calc(100vw / 1.5);
    height: calc(100vh / 1.5);
  }
}
@media (min-width: 2400px) {
  .page-chrome {
    transform: scale(1.8);
    width: calc(100vw / 1.8);
    height: calc(100vh / 1.8);
  }
}
.page-topbar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  flex-shrink: 0;
}
.page-topbar .back {
  font-size: 12px;
  color: var(--ink-3);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  padding: 6px 10px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: var(--card);
}
.page-topbar .back:hover {
  color: var(--ink);
}
.page-topbar .title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.page-topbar .eyebrow-m {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-left: auto;
}

button[disabled],
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn.tiny {
  padding: 4px 9px;
  font-size: 11px;
  border-radius: 99px;
}