@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #0d0f13;
  --surface: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #f1f5f9;
  --muted: #64748b;
  --accent: #3b82f6;
  --accent-glow: rgba(59,130,246,0.3);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 32px; height: 60px;
  background: rgba(13,15,19,0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 100;
}
.navbar-brand { font-size: 1.1rem; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.navbar-brand span { color: var(--accent); }
.navbar-nav { display: flex; align-items: center; gap: 12px; }

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 36px 24px; }
.page-header { margin-bottom: 32px; }
.page-header h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.03em; }
.page-header p { color: var(--muted); margin-top: 4px; }

/* ── Glass Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(8px);
}
.card-hover {
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.card-hover:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.14);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* ── Grid ── */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 8px;
  font-size: 0.875rem; font-weight: 500; cursor: pointer;
  border: none; transition: all 0.2s; text-decoration: none !important;
}
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px var(--accent-glow); }
.btn-primary:hover { background: #2563eb; box-shadow: 0 6px 20px var(--accent-glow); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

/* ── Form Inputs ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.form-control {
  width: 100%; padding: 10px 14px;
  background: rgba(0,0,0,0.2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-row { display: flex; gap: 12px; align-items: flex-end; }
.form-row .form-group { margin-bottom: 0; flex: 1; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
}
.badge-success { background: rgba(16,185,129,0.12); color: #34d399; }
.badge-processing { background: rgba(59,130,246,0.12); color: #60a5fa; }
.badge-pending { background: rgba(245,158,11,0.12); color: #fbbf24; }
.badge-failed { background: rgba(239,68,68,0.12); color: #f87171; }

/* ── Alerts / Flash ── */
.alert { padding: 12px 18px; border-radius: 8px; font-size: 0.875rem; margin-bottom: 20px; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }

/* ── Tables ── */
.table { width: 100%; border-collapse: collapse; }
.table th { font-size: 0.75rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.table td { padding: 14px; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 0.9rem; vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }

/* ── Upload Zone ── */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 48px 32px; text-align: center;
  background: rgba(0,0,0,0.08);
  transition: all 0.3s; cursor: pointer;
}
.dropzone:hover { border-color: var(--accent); background: rgba(59,130,246,0.04); }
.dropzone-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 12px; display: block; }
.dropzone input[type="file"] { display: none; }

/* ── Stats Row ── */
.stat-row { display: flex; gap: 20px; margin-bottom: 32px; }
.stat-card { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 24px; }
.stat-value { font-size: 2rem; font-weight: 700; letter-spacing: -0.04em; }
.stat-label { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }

/* ── Animations ── */
@keyframes fadeUp { from { opacity:0; transform: translateY(12px); } to { opacity:1; transform: translateY(0); } }
.fade-up { animation: fadeUp 0.35s ease forwards; }

/* ── Spinner ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.2); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }

/* ── Empty State ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }