/* ==========================================================================
   VerifiedSweeps.com - Vibrant Giveaways & Directory Design System
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  --bg-dark: #0a0714;
  --bg-surface: #140e26;
  --bg-surface-elevated: #1f1638;
  --glass-bg: rgba(20, 14, 38, 0.85);
  --glass-border: rgba(255, 255, 255, 0.12);

  --accent-emerald: #10b981;
  --accent-emerald-hover: #059669;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-cyan: #06b6d4;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 6px rgba(0,0,0,0.3);
  --shadow-md: 0 10px 25px rgba(0,0,0,0.5);
  --shadow-emerald: 0 0 20px rgba(16, 185, 129, 0.3);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(139, 92, 246, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(16, 185, 129, 0.12) 0%, transparent 45%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
}

.text-emerald { color: var(--accent-emerald); }
.font-mono { font-family: var(--font-mono); }

/* --- App Header --- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 7, 20, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.85rem 1.5rem;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-hover));
  color: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-emerald);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--accent-emerald);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 0.4rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-primary);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition);
}

.nav-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
  background: var(--accent-emerald);
  color: var(--bg-dark);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-alert-signup {
  background: linear-gradient(135deg, var(--accent-purple), #6d28d9);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  padding: 0.6rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
}

.btn-alert-signup:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(139, 92, 246, 0.4);
}

/* --- Hero Section --- */
.hero-section {
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.6rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
  background: linear-gradient(135deg, #ffffff 40%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 1.75rem;
}

.trust-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

/* --- Main Layout --- */
.main-container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 1.5rem;
  flex: 1;
}

.filter-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.search-box {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.search-box input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  padding: 0.95rem 3rem 0.95rem 3.2rem;
  color: white;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition);
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

.clear-btn {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  display: none;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.pill {
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
}

.pill:hover {
  border-color: rgba(16, 185, 129, 0.4);
  color: white;
}

.pill.active {
  background: var(--accent-emerald);
  color: var(--bg-dark);
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* --- Sweeps Cards Grid --- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.4rem;
}

.results-badge {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
}

.sweeps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.sweeps-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.sweeps-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: var(--shadow-md);
}

.card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.verified-seal {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.entry-frequency {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-sm);
}

.card-prize-title {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
  color: white;
}

.card-sponsor {
  font-size: 0.88rem;
  color: var(--accent-purple);
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Countdown & Value Box */
.meta-stats-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.prize-value-text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

.countdown-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-amber);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-enter-official {
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-hover));
  color: var(--bg-dark);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition);
}

.btn-enter-official:hover {
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 7, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-md);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
}

.form-group input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: white;
  font-family: var(--font-primary);
  font-size: 0.95rem;
}

.btn-submit-alert {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-hover));
  color: var(--bg-dark);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.95rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.modal-privacy {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
}

/* Footer */
.app-footer {
  background: #05030b;
  border-top: 1px solid var(--glass-border);
  padding: 2rem 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-emerald);
}

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--accent-emerald);
  color: white;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 2000;
}

.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  max-width: 480px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 3.5rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.hidden { display: none !important; }

@media (max-width: 768px) {
  .header-container { flex-direction: column; align-items: flex-start; }
  .nav-links { width: 100%; overflow-x: auto; }
}