:root {
  --accent: #5B5BF0;
  --accent-dark: #4040c8;
  --ink: #14141A;
  --admin-accent: #D3402F;
  --bg: #F7F7FB;
  --card-bg: #FFFFFF;
  --border: #E5E5EF;
  --text-muted: #6b6b7a;
  --success: #1F9D55;
  --error: #D3402F;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: none;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
  text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-secondary { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn-danger { background: var(--error); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }

/* Forms */
label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 14px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=url], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 16px;
  background: #fff;
  color: var(--ink);
}
textarea { min-height: 100px; }
.form-group { margin-bottom: 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #e7f8ed; color: var(--success); border: 1px solid #b9ecc9; }
.alert-error { background: #fdecea; color: var(--error); border: 1px solid #f7c6c0; }

/* Topbar / sidebar layout */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--ink);
  color: #fff;
  padding: 24px 16px;
  flex-shrink: 0;
}
.sidebar .logo { font-weight: 800; font-size: 20px; margin-bottom: 24px; color: #fff; }
.sidebar nav a {
  display: block;
  padding: 10px 12px;
  color: #cfcfe0;
  border-radius: 8px;
  margin-bottom: 4px;
  font-size: 14px;
}
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
.main-content { flex: 1; padding: 28px; max-width: 1100px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.credits-badge { background: var(--accent); color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; }

/* Admin accents */
.admin-shell .sidebar { background: #1a1212; }
.admin-shell .credits-badge { background: var(--admin-accent); }
.admin-shell .btn-primary { background: var(--admin-accent); }
.admin-shell .btn-primary:hover { background: #a92e22; }

/* Hub cards (dashboard "what do you want to create" grid) */
.hub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 20px; }
.hub-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.1s, box-shadow 0.1s;
  cursor: pointer;
}
.hub-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); text-decoration: none; }
.hub-card .emoji { font-size: 36px; margin-bottom: 10px; display:block; }
.hub-card h3 { margin: 6px 0; color: var(--ink); }
.hub-card p { color: var(--text-muted); font-size: 13px; margin: 0; }

/* Wizard stepper */
.stepper { display: flex; gap: 6px; margin-bottom: 28px; flex-wrap: wrap; }
.stepper .step {
  flex: 1;
  min-width: 80px;
  text-align: center;
  padding: 8px 4px;
  font-size: 12px;
  border-radius: 6px;
  background: #ECECF7;
  color: var(--text-muted);
  font-weight: 600;
}
.stepper .step.active { background: var(--accent); color: #fff; }
.stepper .step.done { background: #d8d8f6; color: var(--accent-dark); }

/* Concept / creative selection cards */
.concept-card {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 12px;
  cursor: pointer;
}
.concept-card.selected { border-color: var(--accent); background: #f3f3ff; }
.asset-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.asset-card { border: 2px solid var(--border); border-radius: 10px; overflow: hidden; }
.asset-card.selected { border-color: var(--accent); }
.asset-card img, .asset-card video { width: 100%; display: block; background: #000; }
.asset-card .asset-footer { padding: 10px; display: flex; justify-content: space-between; align-items: center; }
.format-badge { background: #ECECF7; color: var(--accent-dark); font-size: 11px; padding: 3px 8px; border-radius: 10px; font-weight: 700; }

.status-pill { padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 700; }
.status-processing { background: #fff3cd; color: #946c00; }
.status-completed { background: #e7f8ed; color: var(--success); }
.status-failed { background: #fdecea; color: var(--error); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
table th, table td { padding: 10px; border-bottom: 1px solid var(--border); text-align: left; }
table th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.plan-card { border: 1px solid var(--border); border-radius: 14px; padding: 28px; text-align: center; background: #fff; }
.plan-card.featured { border-color: var(--accent); box-shadow: 0 6px 20px rgba(91,91,240,0.15); }
.plan-price { font-size: 32px; font-weight: 800; margin: 12px 0; }
.plan-price small { font-size: 14px; color: var(--text-muted); font-weight: 400; }

.error-page { display:flex; align-items:center; justify-content:center; height:100vh; background: var(--bg); }
.error-box { text-align:center; }
.error-box h1 { font-size: 72px; margin: 0; color: var(--accent); }

footer.site-footer { text-align: center; padding: 30px; color: var(--text-muted); font-size: 13px; }

.landing-hero { padding: 100px 0 60px; text-align: center; background: linear-gradient(180deg,#fff,#f4f4fd); }
.landing-hero h1 { font-size: 48px; margin-bottom: 16px; }
.landing-hero p { font-size: 18px; color: var(--text-muted); max-width: 640px; margin: 0 auto 28px; }
.landing-nav { display:flex; justify-content:space-between; align-items:center; padding: 18px 0; }
.landing-nav .logo { font-weight: 800; font-size: 20px; }
.features-section { padding: 60px 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 24px; }
.feature-item { text-align: center; padding: 20px; }

@media (max-width: 800px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; }
  .main-content { padding: 16px; }
}