:root {
  --ink: #1d1d1d;
  --plum: #4e459c;
  --berry: #8d288e;
  --clay: #e5895f;
  --paper: #f7f1e8;
  --cream: #fffaf4;
  --line: rgba(29, 29, 29, 0.12);
  --muted: #6b645c;
  --ok: #2f7d57;
  --bad: #c02b0a;
  --shadow: 0 18px 50px rgba(78, 69, 156, 0.12);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }
html, body, #app { min-height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(141, 40, 142, 0.12), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(229, 137, 95, 0.16), transparent 50%),
    var(--paper);
  font-family: Inter, Century Gothic, AppleGothic, sans-serif;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button { cursor: pointer; }
a { color: var(--plum); }

.auth-shell, .studio {
  min-height: 100vh;
}

.auth-shell {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}
.auth-story {
  padding: 64px 72px;
  background:
    linear-gradient(160deg, rgba(78, 69, 156, 0.92), rgba(141, 40, 142, 0.78)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  color: white;
}
.auth-story h1, .hero h1, h1, h2, h3 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 600;
}
.auth-form {
  display: grid;
  place-items: center;
  padding: 40px 24px;
}
.card {
  width: min(440px, 100%);
  background: var(--cream);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 28px;
  padding: 32px;
}
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field span { font-size: 12px; color: var(--muted); font-weight: 600; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: white;
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--plum);
  box-shadow: 0 0 0 4px rgba(78, 69, 156, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--plum);
  color: white;
  font-weight: 600;
  transition: transform 160ms var(--ease), opacity 160ms var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.97); }
.btn.secondary { background: white; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost { background: transparent; color: var(--plum); }
.btn.danger { background: var(--bad); }
.btn.clay { background: var(--clay); color: var(--ink); }
.btn[disabled] { opacity: 0.6; cursor: wait; }

.studio {
  display: grid;
  grid-template-columns: 260px 1fr;
}
.side {
  background: #241c3d;
  color: #f7f1e8;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.brand {
  padding: 8px 12px 24px;
}
.brand small { color: rgba(255,255,255,0.62); letter-spacing: 0.14em; text-transform: uppercase; }
.nav-btn {
  text-align: left;
  background: transparent;
  color: inherit;
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
}
.nav-btn.active, .nav-btn:hover {
  background: rgba(229, 137, 95, 0.18);
}
.side .grow { flex: 1; }
.user-chip { font-size: 13px; padding: 12px; color: rgba(255,255,255,0.76); }

.main { padding: 28px 32px 64px; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 24px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat, .panel {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 18px 20px;
  box-shadow: 0 10px 30px rgba(29, 29, 29, 0.04);
}
.stat b { display: block; font-size: 28px; font-family: "Cormorant Garamond", serif; }
.panel { margin-top: 18px; }
.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.persona, .research, .channel, .post, .idea {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  display: grid;
  gap: 8px;
}
.tag {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(78, 69, 156, 0.1);
  color: var(--plum);
}
.tag.ok { background: rgba(47, 125, 87, 0.12); color: var(--ok); }
.tag.bad { background: rgba(192, 43, 10, 0.12); color: var(--bad); }
.tag.clay { background: rgba(229, 137, 95, 0.2); color: #8a4b2a; }
.muted { color: var(--muted); }
.error { color: var(--bad); font-size: 14px; }
.success { color: var(--ok); font-size: 14px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid .wide { grid-column: 1 / -1; }
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: top;
}
.notice {
  background: rgba(78, 69, 156, 0.08);
  border-radius: 16px;
  padding: 12px 14px;
  font-size: 14px;
}
.empty {
  padding: 28px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .auth-shell, .studio { grid-template-columns: 1fr; }
  .auth-story { display: none; }
  .grid, .form-grid { grid-template-columns: 1fr 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 720px) {
  .grid, .form-grid { grid-template-columns: 1fr; }
  .main { padding: 18px 14px 40px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}