:root {
  --bg: #0a0f1f;
  --panel: #11182d;
  --panel-soft: #151f3d;
  --text: #edf2ff;
  --muted: #aab5d5;
  --line: rgba(255,255,255,0.1);
  --accent: #82a0ff;
  --accent-2: #7ff0c8;
  --danger: #ff8e8e;
  --shadow: 0 20px 60px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(900px 600px at 25% 0%, #1a2954 0%, var(--bg) 55%);
  color: var(--text);
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(480px, 100%);
  background: rgba(17,24,45,0.94);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.login-brand { margin-bottom: 20px; }
.login-card h1 { font-size: 34px; margin-bottom: 10px; }
.login-form { display: grid; gap: 14px; margin-top: 22px; }
.login-form .primary { width: 100%; margin-top: 4px; }
.login-error { min-height: 22px; color: var(--danger); margin-top: 12px; font-size: 14px; }
.test-account {
  margin-top: 16px;
  padding: 12px;
  border-radius: 14px;
  background: rgba(127,240,200,0.08);
  border: 1px solid rgba(127,240,200,0.18);
  color: var(--muted);
  font-size: 14px;
}
.user-box {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
}
.user-box span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; }
.user-box small { color: var(--muted); }
.user-box button {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 9px 10px;
}
.plan-link {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  white-space: nowrap;
}
.topbar-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.app-shell {
  display: grid;
  grid-template-columns: 290px 1fr;
  min-height: 100vh;
}
.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(8, 13, 30, 0.72);
  padding: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; }
.logo {
  width: 44px; height: 44px; border-radius: 14px;
  display: grid; place-items: center;
  color: #091025; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.brand-title { font-weight: 800; }
.brand-subtitle { color: var(--muted); font-size: 13px; }
.stage-list { display: grid; gap: 10px; }
.stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  text-align: left;
}
.stage.active, .stage:hover {
  color: var(--text);
  border-color: rgba(130,160,255,0.55);
  background: rgba(130,160,255,0.14);
}
.sidebar-note {
  margin-top: 24px;
  padding: 14px;
  border-radius: 16px;
  color: var(--muted);
  background: rgba(127,240,200,0.08);
  border: 1px solid rgba(127,240,200,0.18);
  font-size: 14px;
}
.main { padding: 30px; }
.topbar {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 20px;
  margin-bottom: 18px;
}
.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; margin: 0 0 8px; }
h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.05; }
.plan-link {
  color: var(--text); text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 14px; background: rgba(255,255,255,0.05);
  white-space: nowrap;
}
.panel {
  display: none;
  background: rgba(17,24,45,0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.panel.active { display: block; }
.panel-header { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
h2 { margin: 0 0 6px; }
p { color: var(--muted); margin: 0; }
.badge {
  border-radius: 999px; padding: 7px 10px;
  background: rgba(127,240,200,0.12);
  border: 1px solid rgba(127,240,200,0.22);
  color: var(--accent-2); font-size: 13px;
}
.designer-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.wide { grid-column: 1 / -1; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 14px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255,255,255,0.05); color: var(--text);
  padding: 12px 13px; outline: none;
}
select option { color: #111; }
textarea { min-height: 112px; resize: vertical; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.actions button, .primary {
  border: 1px solid var(--line); border-radius: 13px;
  background: rgba(255,255,255,0.06); color: var(--text);
  padding: 11px 14px;
}
.primary {
  border: none;
  color: #07101f;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.board-shell {
  margin-top: 22px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
}
.board-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.board-header h3 { margin: 0 0 6px; font-size: 20px; }
.brainstorm-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.empty-board {
  display: block;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 18px;
  padding: 18px;
}
.board-column {
  min-width: 220px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(10,15,31,0.45);
  border: 1px solid var(--line);
}
.board-column h4 {
  margin: 0 0 4px;
  color: var(--accent-2);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.board-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 15px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}
.board-card span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}
.board-card strong { font-size: 15px; }
.board-card p { font-size: 13px; }
.compact-review { margin-top: 14px; }
.course-path-card {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(127,240,200,0.18);
  background: rgba(127,240,200,0.08);
}
.course-path-card span {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.course-path-card code {
  color: var(--text);
  overflow-wrap: anywhere;
}
.output, .review-box, .slide-card, .asset-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}
.empty { color: var(--muted); }
.outline-item { padding: 14px; border-bottom: 1px solid var(--line); }
.outline-item:last-child { border-bottom: none; }
.outline-item strong { display: block; margin-bottom: 7px; }
.outline-item span { display: block; color: var(--muted); margin: 4px 0; }
.summary-card {
  display: grid;
  gap: 7px;
  margin-bottom: 10px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(127,240,200,0.08);
  border: 1px solid rgba(127,240,200,0.18);
}
.summary-card span { color: var(--muted); }
.review-box { margin-top: 16px; }
.deck-grid { display: grid; gap: 16px; }
.session-workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
}
.session-list {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(10,15,31,0.45);
}
.session-list h3 { margin: 0; }
.session-list p { font-size: 13px; margin-bottom: 4px; }
.session-button {
  display: grid;
  gap: 4px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 12px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
}
.session-button.active, .session-button:hover {
  color: var(--text);
  border-color: rgba(127,240,200,0.35);
  background: rgba(127,240,200,0.1);
}
.session-button span, .session-button small {
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
}
.session-detail {
  display: grid;
  gap: 14px;
}
.session-detail-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(127,240,200,0.18);
  background: rgba(127,240,200,0.08);
}
.session-detail-header h3 { margin: 6px 0; font-size: 24px; }
.slide-workspace { display: grid; grid-template-columns: repeat(1, minmax(0,1fr)); gap: 16px; }
.slide-card { position: relative; min-height: 260px; overflow: hidden; }
.slide-meta { color: var(--accent-2); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; }
.slide-card h3 { margin: 8px 0 12px; font-size: 24px; }
.slide-card ul { margin: 0; padding-left: 20px; color: var(--muted); }
.slide-status {
  display: inline-block;
  width: fit-content;
  margin-bottom: 12px;
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--accent-2);
  background: rgba(127,240,200,0.08);
  border: 1px solid rgba(127,240,200,0.18);
  font-size: 12px;
  font-weight: 800;
}
.slide-note-label { margin-top: 14px; }
.slide-note-label textarea { min-height: 74px; }
.slide-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.slide-actions button {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 9px 11px;
}
.recording-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.screen-bright { background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04)); }
.screen-premium { background: linear-gradient(135deg, rgba(130,160,255,0.18), rgba(127,240,200,0.06)); }
.screen-workshop { background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03)); border-style: dashed; }
.screen-dark { background: rgba(255,255,255,0.04); }
.annotation {
  position: absolute;
  border-radius: 999px;
  padding: 7px 10px;
  color: #06101e;
  background: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(0,0,0,0.24);
}
.annotation.arrow::after {
  content: "";
  position: absolute;
  width: 34px; height: 2px;
  background: var(--accent-2);
  left: -30px; top: 50%;
}
.highlight-box {
  position: absolute;
  border: 2px solid var(--accent);
  background: rgba(130,160,255,0.1);
  border-radius: 18px;
  pointer-events: none;
}
.script-block { padding: 14px; border-bottom: 1px solid var(--line); }
.script-block:last-child { border-bottom: none; }
.script-block strong { color: var(--accent-2); }
.asset-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.asset-card h3 { margin: 0 0 8px; }
.asset-card p { font-size: 14px; }
.status-ok { color: var(--accent-2); font-weight: 800; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .designer-grid, .deck-grid, .asset-grid, .session-workspace { grid-template-columns: 1fr; }
  .brainstorm-board { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
}