/* Adaptive Learning OS — Landing page (Role-Based Fork) */

* { box-sizing: border-box; }

:root {
  --level-bg: #0f1419;
  --level-surface: #1a2332;
  --level-surface-elevated: #212d3d;
  --level-accent: #58a6ff;
  --level-accent-hover: #79b8ff;
  --level-accent-learner: #7ee787;
  --level-accent-learner-hover: #9ee99e;
  --level-border: #2d3a4d;
  --level-text: #e6edf3;
  --level-muted: #8b949e;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--level-bg);
  color: var(--level-text);
}

.noscript-error {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--level-bg);
  color: #f85149;
}

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--level-border);
  background: var(--level-surface);
}

.landing-logo {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.level-nav {
  display: flex;
  gap: 0.25rem;
}

.level-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--level-border);
  border-radius: 8px;
  background: transparent;
  color: var(--level-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.level-btn:hover {
  color: var(--level-text);
  border-color: var(--level-accent);
}

.level-btn.active {
  background: var(--level-accent);
  color: var(--level-bg);
  border-color: var(--level-accent);
}

.landing-main {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.landing-create-hero {
  margin-bottom: 2rem;
  padding: 2rem;
  background: var(--level-surface);
  border: 1px solid var(--level-border);
  border-radius: 12px;
  text-align: center;
}

.landing-create-hero-inner {
  max-width: 520px;
  margin: 0 auto;
}

.landing-create-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.landing-create-desc {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  color: var(--level-muted);
  line-height: 1.5;
}

.landing-create-cta {
  display: inline-flex;
  padding: 0.65rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--level-accent);
  color: #0d1117;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s;
}

.landing-create-cta:hover {
  background: var(--level-accent-hover);
}

/* Role fork: Build Mode vs Learn Mode */
.landing-fork .landing-tagline {
  margin: 0 0 2rem;
  font-size: 1rem;
  color: var(--level-muted);
  text-align: center;
}

.fork-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.fork-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--level-surface);
  border: 2px solid var(--level-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--level-text);
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.fork-card:hover {
  transform: translateY(-2px);
}

.fork-card-admin {
  border-color: var(--level-border);
}

.fork-card-admin:hover {
  border-color: var(--level-accent);
  background: rgba(88, 166, 255, 0.08);
}

.fork-card-learner {
  border-color: var(--level-border);
}

.fork-card-learner:hover {
  border-color: var(--level-accent-learner);
  background: rgba(126, 231, 135, 0.08);
}

.fork-card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.fork-card-title {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.fork-card-desc {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--level-muted);
  line-height: 1.5;
  flex: 1;
}

.fork-card-cta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--level-accent);
}

.fork-card-learner .fork-card-cta {
  color: var(--level-accent-learner);
}

.landing-projects {
  padding-top: 2rem;
  border-top: 1px solid var(--level-border);
}

.tiles-title {
  margin: 0 0 0.25rem;
  font-size: 0.875rem;
}

.tiles-desc {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: var(--level-muted);
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 1.5rem;
  background: var(--level-surface);
  border: 2px dashed var(--level-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--level-text);
  transition: border-color 0.2s, background 0.2s;
}

.tile:hover {
  border-color: var(--level-accent);
  background: rgba(88, 166, 255, 0.08);
}

.tile-new,
.tile-start {
  border-style: dashed;
}

.tile-new .tile-icon,
.tile-start .tile-icon {
  font-size: 2rem;
  font-weight: 300;
  color: var(--level-accent);
  margin-bottom: 0.5rem;
}

.tile-new .tile-label,
.tile-start .tile-label {
  font-size: 0.9375rem;
  font-weight: 500;
}

.tile-project {
  border-style: solid;
  text-align: left;
  align-items: stretch;
}

.tile-project .tile-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 4px;
}

.tile-project .tile-name:hover {
  background: rgba(255, 255, 255, 0.06);
}

.tile-name-edit {
  width: 100%;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.25rem 0.35rem;
  margin: -0.25rem -0.35rem 0.25rem -0.35rem;
  background: var(--level-surface);
  border: 1px solid var(--level-accent);
  border-radius: 4px;
  color: var(--level-text);
}

.tile-name-edit:focus {
  outline: none;
}

.tile-project .tile-meta {
  font-size: 0.75rem;
  color: var(--level-muted);
}

.tile-project .tile-delete {
  margin-top: auto;
  padding: 0.25rem 0;
  font-size: 0.75rem;
  color: var(--level-muted);
  background: none;
  border: none;
  cursor: pointer;
  align-self: flex-start;
}

.tile-project .tile-delete:hover {
  color: #f85149;
}

/* ── Redesigned admin home (mockup-aligned) ── */
.home-top {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1.25rem; border-bottom: 1px solid var(--level-border);
  background: var(--level-surface); position: sticky; top: 0; z-index: 10;
}
.home-logo { font-weight: 800; letter-spacing: 0.02em; font-size: 1.05rem; display: flex; align-items: center; gap: 0.5rem; }
.home-logo img { height: 24px; }
.home-tenant {
  font-size: 0.74rem; color: var(--level-muted); border: 1px solid var(--level-border);
  border-radius: 100px; padding: 0.16rem 0.6rem;
}
.home-sp { flex: 1; }
.home-wrap { max-width: 1040px; margin: 0 auto; padding: 1.6rem 1.25rem 4rem; }
.home-hello { font-size: 1.5rem; font-weight: 700; margin: 0 0 0.2rem; }
.home-sub { color: var(--level-muted); font-size: 0.95rem; margin: 0 0 1.6rem; }
.home-eyebrow { font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--level-accent); margin: 0 0 0.9rem; }
.home-head { font-size: 2.1rem; line-height: 1.12; font-weight: 780; margin: 0 0 0.7rem; max-width: 18ch; }
.home-head em { color: var(--level-accent); font-style: normal; }
.home-lede { font-size: 1.02rem; line-height: 1.6; color: var(--level-muted); margin: 0 0 2rem; max-width: 54ch; }
.home-start-wrap { margin: 0 0 0.5rem; }
.home-btn {
  background: var(--level-accent); color: #0d1117; border: none; border-radius: 8px;
  font-weight: 680; font-size: 0.9rem; padding: 0.6rem 1.2rem; cursor: pointer; font-family: inherit;
}
.home-start-btn { font-size: 1rem; padding: 0.75rem 1.5rem; }
#start-project-modal { z-index: 1100; }
.home-link-btn {
  background: none; border: none; padding: 0; font: inherit; color: var(--level-accent);
  cursor: pointer; text-decoration: underline;
}
.home-link-btn:hover { color: var(--level-text); }
button.home-card { font-family: inherit; width: 100%; appearance: none; }
.home-examples { margin-top: 2.8rem; }
.home-ex-h { font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--level-muted); margin: 0 0 1rem; }
.home-ex-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.home-ex { background: var(--level-surface); border: 1px solid var(--level-border); border-radius: 10px; padding: 1rem; }
.home-ex .src { font-size: 0.8rem; color: var(--level-muted); }
.home-ex .to { color: var(--level-border); font-size: 1.1rem; margin: 0.5rem 0; text-align: center; }
.home-ex .out { font-weight: 670; font-size: 0.92rem; }
.home-ex .tag {
  display: inline-block; font-size: 0.64rem; font-weight: 700; text-transform: uppercase;
  color: var(--level-accent); background: rgba(88,166,255,0.12); border-radius: 100px; padding: 0.1rem 0.5rem; margin-top: 0.5rem;
}
.home-foot { margin-top: 2.6rem; font-size: 0.82rem; color: var(--level-muted); }
.home-bar { display: flex; align-items: center; gap: 0.6rem; margin: 0 0 0.95rem; }
.home-bar-h { font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--level-muted); margin: 0; }
.home-search {
  background: var(--level-bg); border: 1px solid var(--level-border); border-radius: 7px;
  color: var(--level-text); font-size: 0.82rem; padding: 0.4rem 0.75rem; min-width: 200px; font-family: inherit;
}
.home-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.85rem; }
.home-card {
  background: var(--level-surface); border: 1px solid var(--level-border); border-radius: 10px;
  padding: 1.05rem; cursor: pointer; transition: border-color 0.15s, transform 0.1s; min-height: 124px;
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
}
.home-card:hover { border-color: var(--level-accent); transform: translateY(-1px); }
.home-card.new { border: 1.5px dashed var(--level-border); background: transparent; align-items: center; justify-content: center; text-align: center; }
.home-card.new:hover { border-color: var(--level-accent); }
.home-card.new .plus { font-size: 1.7rem; color: var(--level-accent); margin-bottom: 0.4rem; }
.home-card.new .nl { font-weight: 680; font-size: 0.96rem; }
.home-card.new .nd { font-size: 0.75rem; color: var(--level-muted); margin-top: 0.25rem; }
.home-ptype {
  font-size: 0.67rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--level-accent); background: rgba(88,166,255,0.12); border-radius: 100px; padding: 0.12rem 0.55rem; align-self: flex-start; margin-bottom: 0.55rem;
}
.home-pname { font-weight: 690; font-size: 1rem; margin: 0 0 0.3rem; }
.home-pmeta { margin-top: auto; font-size: 0.75rem; color: var(--level-muted); display: flex; justify-content: space-between; }
.home-analytics { margin-top: 1.7rem; background: var(--level-surface); border: 1px solid var(--level-border); border-radius: 10px; padding: 1.1rem 1.25rem; }
.home-astrip { display: flex; gap: 2rem; flex-wrap: wrap; align-items: center; }
.home-stat .v { font-size: 1.4rem; font-weight: 760; }
.home-stat .l { font-size: 0.74rem; color: var(--level-muted); margin-top: 0.1rem; }
.home-analytics-link { margin-left: auto; color: var(--level-accent); font-size: 0.82rem; cursor: pointer; background: none; border: none; font-family: inherit; }
.home-orient { margin-top: 1.1rem; font-size: 0.8rem; color: var(--level-muted); }
.home-orient a { color: var(--level-accent); text-decoration: none; }
@media (max-width: 760px) { .home-grid, .home-ex-grid { grid-template-columns: 1fr 1fr; } }
.analytics-table th, .analytics-table td {
  text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--level-border);
}
.analytics-table th { color: var(--level-muted); font-size: 0.75rem; text-transform: uppercase; }