/* ══════════════════════════════════════════════════════════
   MegaCharm App — Polished UI
   ══════════════════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary:   #6366f1;
    --secondary: #8b5cf6;
    --accent:    #ec4899;
    --success:   #10b981;
    --warning:   #f59e0b;
    --danger:    #ef4444;
    --bg:        #0f172a;
    --bg2:       #1e293b;
    --bg3:       #334155;
    --text:      #f8fafc;
    --muted:     #94a3b8;
    --border:    #334155;
    --radius:    14px;
    --shadow:    0 8px 32px rgba(0,0,0,0.35);
    --glow:      0 0 40px rgba(99,102,241,0.18);
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg); color: var(--text); min-height: 100vh; overflow-x: hidden;
    line-height: 1.6;
}

/* ── Ambient background ── */
body::before {
    content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
    background:
        radial-gradient(ellipse 70% 50% at 10% 50%, rgba(99,102,241,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at 90% 20%, rgba(139,92,246,0.10) 0%, transparent 55%),
        radial-gradient(ellipse 50% 50% at 50% 90%, rgba(236,72,153,0.07) 0%, transparent 55%);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ══════════════════════════════════════════════════════════
   Navigation
   ══════════════════════════════════════════════════════════ */
.navbar {
    background: rgba(30,41,59,0.85); backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 0.9rem 0; position: sticky; top: 0; z-index: 100;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-brand a { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav-brand h1 { font-size: 1.3rem; font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }

.wallet-info {
    display: flex; align-items: center; gap: 0.6rem;
    background: rgba(51,65,85,0.7); padding: 0.45rem 0.9rem;
    border-radius: 30px; border: 1px solid var(--border);
}
.wallet-address { font-family: monospace; font-size: 0.85rem; color: var(--text); }
.network-badge {
    background: var(--success); color: #fff; padding: 0.2rem 0.65rem;
    border-radius: 20px; font-size: 0.72rem; font-weight: 700;
}
.network-badge.wrong { background: var(--warning); color: #1a1a2e; }

/* ══════════════════════════════════════════════════════════
   Buttons
   ══════════════════════════════════════════════════════════ */
.btn {
    padding: 0.7rem 1.4rem; border-radius: 10px; border: none;
    font-weight: 700; font-size: 0.92rem; cursor: pointer; transition: all 0.25s;
    display: inline-flex; align-items: center; gap: 0.4rem; text-decoration: none;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff;
    box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.45); }
.btn-purchase {
    width: 100%; padding: 1rem; font-size: 1.05rem; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff; box-shadow: 0 4px 20px rgba(236,72,153,0.3); border-radius: var(--radius);
    margin-top: 0.75rem; position: relative; overflow: hidden;
}
.btn-purchase::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
    transform: translateX(-100%); transition: transform 0.5s;
}
.btn-purchase:hover:not(:disabled)::after { transform: translateX(100%); }
.btn-purchase:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(236,72,153,0.45); }
.btn-claim {
    padding: 0.45rem 1rem; background: var(--success); color: #fff;
    border: none; border-radius: 8px; cursor: pointer; font-weight: 700;
    font-size: 0.82rem; transition: background 0.2s;
}
.btn-claim:hover { background: #059669; }

/* ══════════════════════════════════════════════════════════
   Notification
   ══════════════════════════════════════════════════════════ */
.notification {
    display: none; position: fixed; top: 76px; left: 50%; transform: translateX(-50%);
    z-index: 9999; padding: 0.85rem 1.6rem; border-radius: 12px; font-weight: 600;
    font-size: 0.92rem; max-width: 560px; width: 92%; text-align: center;
    box-shadow: var(--shadow);
}
.notification.success { background: var(--success); color: #fff; }
.notification.error   { background: var(--danger);  color: #fff; }

/* ══════════════════════════════════════════════════════════
   App Section Layout
   ══════════════════════════════════════════════════════════ */
.app-section { padding: 2.5rem 0 4rem; min-height: calc(100vh - 120px); }

/* ══════════════════════════════════════════════════════════
   Claim Winnings Banner
   ══════════════════════════════════════════════════════════ */
.claim-section {
    background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(5,150,105,0.08));
    border: 1px solid var(--success); border-radius: var(--radius);
    padding: 1.4rem; margin-bottom: 1.5rem;
    animation: pulse-border 2s ease-in-out infinite;
}
@keyframes pulse-border {
    0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.2); }
    50%      { box-shadow: 0 0 0 6px rgba(16,185,129,0.0); }
}
.claim-section h3 { color: var(--success); margin-bottom: 0.8rem; font-size: 1rem; }
.claim-amounts { display: flex; flex-direction: column; gap: 0.5rem; }
.claim-item { display: flex; align-items: center; gap: 0.75rem; font-size: 0.95rem; }
.claim-item strong { color: var(--success); font-size: 1.1rem; }

/* ══════════════════════════════════════════════════════════
   Round Info Card
   ══════════════════════════════════════════════════════════ */
.round-info-card {
    background: linear-gradient(135deg, rgba(30,41,59,0.9), rgba(51,65,85,0.85));
    padding: 2rem; border-radius: var(--radius); border: 1px solid var(--border);
    margin-bottom: 1.5rem; box-shadow: var(--shadow);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    position: relative; overflow: hidden;
}
.round-info-card::before {
    content: '🎰'; position: absolute; right: -20px; top: -30px;
    font-size: 130px; opacity: 0.04; pointer-events: none;
}
.round-info-card h2 {
    text-align: center; margin-bottom: 1.75rem; font-size: 1.6rem; font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.round-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat-box {
    text-align: center; padding: 1.25rem; background: rgba(15,23,42,0.65);
    border-radius: 12px; border: 1px solid var(--border); transition: all 0.3s;
}
.stat-box:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(99,102,241,0.25); border-color: var(--primary); }
.stat-label { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.stat-value { font-size: 1.9rem; font-weight: 800; color: var(--primary); font-variant-numeric: tabular-nums; }
.round-info-footer { text-align: center; margin-top: 1rem; }

/* Sales status pill */
.sales-status {
    display: inline-block; padding: 0.3rem 1rem; border-radius: 30px;
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.03em;
}
.sales-status.open    { background: rgba(16,185,129,0.12); color: var(--success); border: 1px solid var(--success); }
.sales-status.lockout { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid var(--warning); }
.sales-status.closed  { background: rgba(239,68,68,0.12);  color: var(--danger);  border: 1px solid var(--danger); }

/* ══════════════════════════════════════════════════════════
   Purchase Section (two-column)
   ══════════════════════════════════════════════════════════ */
.purchase-section {
    display: grid; grid-template-columns: 3fr 2fr; gap: 1.5rem; margin-bottom: 1.5rem;
}
.purchase-card, .tickets-card {
    background: rgba(30,41,59,0.88); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.75rem;
    box-shadow: var(--shadow); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.purchase-card h2, .tickets-card h2 { font-size: 1.2rem; font-weight: 800; margin-bottom: 0.4rem; }
.purchase-subtitle { color: var(--muted); font-size: 0.88rem; margin-bottom: 1.4rem; }

/* VIP badge */
.vip-badge {
    display: none; padding: 0.5rem 0.9rem; margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(217,119,6,0.15));
    border: 1px solid var(--warning); border-radius: 10px;
    font-size: 0.85rem; font-weight: 700; color: var(--warning);
}

/* Balance display */
.balance-display {
    background: rgba(15,23,42,0.7); padding: 1rem 1.2rem; border-radius: 10px;
    border: 1px solid var(--border); margin-bottom: 1.25rem;
}
.balance-display h3 { font-size: 0.8rem; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.05em; margin-bottom: 0.7rem; }
.balance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.balance-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.55rem 0.75rem; background: rgba(51,65,85,0.4);
    border-radius: 8px; border: 1px solid var(--border);
}
.balance-label  { color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.balance-amount { color: var(--success); font-weight: 700; font-size: 1rem; font-variant-numeric: tabular-nums; }

/* Purchase form */
.purchase-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.form-select, .form-input {
    padding: 0.75rem 1rem; background: rgba(15,23,42,0.7); border: 1px solid var(--border);
    border-radius: 10px; color: var(--text); font-size: 0.95rem; transition: all 0.2s;
    width: 100%;
}
.form-select:focus, .form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
.form-select { cursor: pointer; }
.input-hint { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--muted); margin-top: 0.3rem; }
.total-cost { color: var(--primary); font-weight: 700; }

/* ══════════════════════════════════════════════════════════
   Tickets Card
   ══════════════════════════════════════════════════════════ */
.user-tickets { min-height: 160px; }
.no-tickets { text-align: center; color: var(--muted); padding: 2.5rem 1rem; font-size: 0.9rem; }
.tickets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 0.6rem; margin-top: 0.75rem; }
.ticket-card {
    background: rgba(15,23,42,0.8); border: 1px solid var(--border);
    border-radius: 10px; padding: 0.6rem 0.4rem; text-align: center;
    transition: all 0.25s;
}
.ticket-card:hover { border-color: var(--primary); transform: scale(1.04); }
.ticket-number { font-family: 'Courier New', monospace; font-size: 1.05rem; font-weight: 700; color: var(--primary); }

/* ══════════════════════════════════════════════════════════
   Winners Section
   ══════════════════════════════════════════════════════════ */
.winners-section {
    background: rgba(30,41,59,0.88); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.75rem;
    box-shadow: var(--shadow); backdrop-filter: blur(8px);
    position: relative; overflow: hidden;
}
.winners-section::before {
    content: '🏆'; position: absolute; left: -20px; bottom: -30px;
    font-size: 130px; opacity: 0.04; pointer-events: none;
}
.winners-section h2 { font-size: 1.2rem; font-weight: 800; margin-bottom: 1.25rem; }
.winners-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.no-data { color: var(--muted); padding: 2rem; text-align: center; font-size: 0.9rem; }

.winner-card {
    background: rgba(15,23,42,0.7); border: 1px solid var(--border);
    border-radius: 12px; padding: 1rem; transition: all 0.25s;
}
.winner-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.winner-card.rollover { border-color: rgba(245,158,11,0.35); }
.winner-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0.75rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
}
.round-badge {
    background: rgba(99,102,241,0.15); color: var(--primary);
    padding: 0.2rem 0.7rem; border-radius: 20px; font-size: 0.78rem; font-weight: 700;
    border: 1px solid rgba(99,102,241,0.3);
}
.winning-number { font-size: 1.15rem; font-weight: 800; color: var(--accent); font-family: 'Courier New', monospace; }
.winner-details { font-size: 0.85rem; color: var(--muted); }
.winner-details p { margin: 0.35rem 0; }
.winner-address {
    display: flex; justify-content: space-between; align-items: center;
    font-family: 'Courier New', monospace; font-size: 0.8rem;
    padding: 0.4rem 0.6rem; background: rgba(51,65,85,0.4);
    border-radius: 6px; margin-top: 0.4rem;
}
.winner-payout { color: var(--success); font-weight: 700; }
.no-winner { color: var(--warning); font-weight: 600; text-align: center; padding: 0.5rem 0; }

/* ══════════════════════════════════════════════════════════
   Footer
   ══════════════════════════════════════════════════════════ */
.footer {
    background: var(--bg2); padding: 1.5rem 0;
    border-top: 1px solid var(--border); margin-top: 3rem;
}
.footer-content { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.82rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary); }

/* ══════════════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
    .purchase-section { grid-template-columns: 1fr; }
    .round-stats      { grid-template-columns: 1fr; }
    .balance-grid     { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .winners-list { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 0.75rem; text-align: center; }
    .footer-links { flex-direction: column; gap: 0.4rem; align-items: center; }
    .wallet-info { display: none; }
}