:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --border: #334155;
  --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Outfit', sans-serif; }

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.login-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.5);
}

.brand-header { text-align: center; margin-bottom: 2rem; }
.logo-icon { font-size: 3rem; margin-bottom: 0.5rem; }
.subtitle { color: var(--text-sub); font-size: 0.9rem; }

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--text-sub); font-size: 0.85rem; }
.form-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-main);
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
  font-weight: 600;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--bg-input); color: var(--text-main); border: 1px solid var(--border); padding: 0.8rem 1.2rem; border-radius: 8px; cursor: pointer; }
.btn-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); border: 1px solid var(--danger); padding: 0.5rem 1rem; border-radius: 8px; cursor: pointer; }
.btn-block { width: 100%; }

.app-container { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.brand { display: flex; align-items: center; gap: 1rem; }
.logo-badge { background: var(--accent); color: #0f172a; font-weight: 800; padding: 0.5rem 0.8rem; border-radius: 8px; }

.status-tag { font-size: 0.8rem; color: var(--accent); display: flex; align-items: center; gap: 0.4rem; }
.pulse .dot { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; display: inline-block; animation: blink 1.5s infinite; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.stats-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--bg-card); padding: 1.2rem; border-radius: 12px; border: 1px solid var(--border); display: flex; flex-direction: column; }
.stat-label { font-size: 0.8rem; color: var(--text-sub); }
.stat-value { font-size: 1.8rem; font-weight: 700; margin-top: 0.3rem; }

.filter-pills-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.5rem; }
.pill { background: var(--bg-card); border: 1px solid var(--border); color: var(--text-sub); padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; }
.pill.active { background: var(--accent); color: #0f172a; font-weight: 600; border-color: var(--accent); }

.offers-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.offer-card { background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border); overflow: hidden; display: flex; flex-direction: column; transition: transform 0.2s; }
.offer-card:hover { transform: translateY(-4px); }
.offer-img { width: 100%; height: 180px; object-fit: cover; background: #000; }
.offer-body { padding: 1rem; display: flex; flex-direction: column; flex-grow: 1; }
.offer-source { font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; margin-bottom: 0.4rem; }
.offer-title { font-size: 1rem; font-weight: 600; line-height: 1.4; margin-bottom: 0.8rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.offer-price { font-size: 1.3rem; font-weight: 700; color: #22c55e; margin-auto: top; margin-bottom: 0.8rem; }
.offer-meta { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-sub); border-top: 1px solid var(--border); padding-top: 0.8rem; }

.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-content { background: var(--bg-card); padding: 2rem; border-radius: 16px; border: 1px solid var(--border); width: 100%; max-width: 550px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.btn-close { background: none; border: none; color: var(--text-sub); font-size: 1.5rem; cursor: pointer; }
.flex-row { display: flex; gap: 1rem; }
.flex-row > div { flex: 1; }
.hidden { display: none !important; }
.loading-state { grid-column: 1 / -1; text-align: center; padding: 4rem; color: var(--text-sub); }
.spinner { border: 4px solid var(--border); border-top: 4px solid var(--accent); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 0 auto 1rem; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }