:root {
  --bg: #0b0f1a;
  --bg-soft: #121729;
  --card: #161d33;
  --card-border: #232b47;
  --text: #e9ecf5;
  --text-muted: #9aa3bd;
  --primary: #6c5ce7;
  --primary-dark: #5a4bd0;
  --accent: #00d9a5;
  --danger: #ff5c7c;
  --warning: #ffb84d;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  font-size: 16px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
  background: radial-gradient(circle at top left, #1a2140, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- NAVBAR ---------- */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; border-bottom: 1px solid var(--card-border);
}
.navbar .logo { font-size: 1.4rem; font-weight: 800; color: var(--text); }
.navbar .logo span { color: var(--accent); }
.navbar nav a { margin-left: 22px; color: var(--text-muted); font-weight: 500; }
.navbar nav a:hover { color: var(--text); }
.navbar .btn { margin-left: 22px; }

.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600;
  border: none; cursor: pointer; font-size: .95rem; transition: transform .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #8e6cf0); color: #fff; }
.btn-accent { background: var(--accent); color: #04231b; }
.btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-block { width: 100%; text-align: center; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- HERO ---------- */
.hero { padding: 90px 0 70px; text-align: center; }
.hero h1 { font-size: 2.6rem; line-height: 1.2; margin-bottom: 18px; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--text-muted); font-size: 1.15rem; max-width: 650px; margin: 0 auto 34px; }
.hero .cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 70px 0; }
.feature-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.feature-card .icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { margin: 0 0 10px; }
.feature-card p { color: var(--text-muted); margin: 0; font-size: .95rem; }

.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 40px 0; }
.plan-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 30px; text-align: center; position: relative;
}
.plan-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), var(--shadow); }
.plan-card .price { font-size: 2.2rem; font-weight: 800; margin: 14px 0; }
.plan-card .price small { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.plan-card ul { list-style: none; padding: 0; margin: 20px 0; text-align: left; color: var(--text-muted); }
.plan-card ul li { padding: 6px 0; }
.plan-card ul li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

footer { border-top: 1px solid var(--card-border); padding: 30px 0; text-align: center; color: var(--text-muted); margin-top: 60px; }

/* ---------- AUTH ---------- */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-box {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 40px; width: 100%; max-width: 420px; box-shadow: var(--shadow);
}
.auth-box h1 { margin-top: 0; font-size: 1.5rem; text-align: center; }
form label { display: block; margin: 14px 0 6px; font-size: .9rem; color: var(--text-muted); }
input, select, textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--card-border);
  background: var(--bg-soft); color: var(--text); font-size: .95rem;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
form button { margin-top: 22px; }
.auth-footer { text-align: center; margin-top: 18px; color: var(--text-muted); font-size: .9rem; }

/* ---------- ALERTS ---------- */
.alert { padding: 12px 16px; border-radius: 10px; margin: 14px 0; font-size: .9rem; }
.alert-success { background: rgba(0,217,165,.12); color: var(--accent); border: 1px solid rgba(0,217,165,.3); }
.alert-error { background: rgba(255,92,124,.12); color: var(--danger); border: 1px solid rgba(255,92,124,.3); }
.alert-warning { background: rgba(255,184,77,.12); color: var(--warning); border: 1px solid rgba(255,184,77,.3); }

/* ---------- APP LAYOUT (dashboard/admin) ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 250px; background: var(--bg-soft); border-right: 1px solid var(--card-border);
  padding: 24px 18px; flex-shrink: 0;
}
.sidebar .brand { font-weight: 800; font-size: 1.2rem; margin-bottom: 30px; display: block; }
.sidebar .brand span { color: var(--accent); }
.sidebar a {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 10px;
  color: var(--text-muted); font-weight: 500; margin-bottom: 4px;
}
.sidebar a:hover, .sidebar a.active { background: rgba(108,92,231,.15); color: var(--text); }
.main-content { flex: 1; padding: 30px 34px; max-width: 100%; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; flex-wrap: wrap; gap: 10px; }
.topbar h1 { margin: 0; font-size: 1.6rem; }
.user-chip { display: flex; align-items: center; gap: 10px; color: var(--text-muted); }

.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 30px; }
.stat-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 22px; }
.stat-card .value { font-size: 1.8rem; font-weight: 800; }
.stat-card .label { color: var(--text-muted); font-size: .85rem; margin-top: 4px; }

.panel { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 26px; margin-bottom: 24px; }
.panel h2 { margin-top: 0; font-size: 1.2rem; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
table th, table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--card-border); }
table th { color: var(--text-muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; }
.badge { padding: 4px 10px; border-radius: 20px; font-size: .75rem; font-weight: 700; }
.badge-success { background: rgba(0,217,165,.15); color: var(--accent); }
.badge-warning { background: rgba(255,184,77,.15); color: var(--warning); }
.badge-danger { background: rgba(255,92,124,.15); color: var(--danger); }
.badge-muted { background: rgba(154,163,189,.15); color: var(--text-muted); }

.video-result { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 18px; }
.video-result .thumb { width: 220px; border-radius: 12px; overflow: hidden; background: #000; flex-shrink: 0; }
.video-result .thumb video, .video-result .thumb img { width: 100%; display: block; }
.video-result .info { flex: 1; min-width: 240px; }
.hashtag-pill { display: inline-block; background: rgba(108,92,231,.15); color: #b6a9ff; padding: 4px 10px; border-radius: 20px; font-size: .8rem; margin: 3px 4px 0 0; }

.spinner { width: 18px; height: 18px; border: 3px solid rgba(255,255,255,.25); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .features, .plans-grid { grid-template-columns: 1fr; }
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; display: none; border-right: none; border-bottom: 1px solid var(--card-border); }
  .sidebar.open { display: block; }
  .main-content { padding: 22px 18px; }
  .navbar nav { display: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 1.9rem; }
  .auth-box { padding: 26px; }
}