/* Base */
:root {
    --bg: linear-gradient(180deg, #a8df6a 0%, #89d65d 40%, #7ccf53 100%);
    --panel: #e9f8cf;
    --panel-hover: #f1fbdb;
    --border: rgba(0,0,0,0.06);
    --shadow: 0 8px 18px rgba(0,0,0,0.12);
    --text: #18321a;
    --muted: #2f5b33;
    --brand: #6c8cff;
    --cta-from: #55b132;
    --cta-to: #9be060;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}

.container { max-width: 1100px; padding: 0 24px; margin: 0 auto; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px); background: transparent; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { font-weight: 800; letter-spacing: 0.2px; color: #1a3b14; text-shadow: 0 2px 0 rgba(255,255,255,0.55); }
.nav a { color: var(--text); text-decoration: none; margin-left: 16px; font-weight: 600; }

/* Hero */
.hero { padding: 48px 0 8px; text-align: center; }
.hero-inner { display: grid; justify-items: center; gap: 16px; }
.logo-image { width: 220px; height: auto; filter: drop-shadow(0 4px 0 rgba(0,0,0,0.15)); }
.username input { width: 320px; max-width: 92vw; padding: 14px 16px; border-radius: 12px; border: 0; box-shadow: var(--shadow); font-size: 16px; }
.btn-cta { background: linear-gradient(180deg, var(--cta-to), var(--cta-from)); color: #12310e; border-radius: 12px; padding: 12px 22px; box-shadow: 0 4px 0 rgba(0,0,0,0.2); border: 1px solid rgba(0,0,0,0.08); }
.btn-cta:hover { filter: brightness(1.04); }
.subtitle { color: #173b0f; font-weight: 800; text-shadow: 0 2px 0 rgba(255,255,255,0.5); }
.subtitle-divider { margin-top: 12px; }

/* Items grid */
.items { padding: 8px 0 28px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 10px; font-weight: 700; color: #2a3829; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; cursor: pointer; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 22px rgba(0,0,0,0.16); background: var(--panel-hover); }
.card.selected { outline: 3px solid #5ab34a; border-color: #5ab34a; box-shadow: 0 0 0 3px rgba(90,179,74,0.35), 0 12px 22px rgba(0,0,0,0.16); }
.card-media { height: 90px; background: transparent var(--img) center/contain no-repeat; margin: 8px auto 4px; }
.card-check { position: absolute; top: 10px; right: 10px; width: 22px; height: 22px; border-radius: 999px; background: rgba(255,255,255,0.9); border: 2px solid rgba(0,0,0,0.08); box-shadow: 0 1px 2px rgba(0,0,0,0.12) inset; display:none; }
.card { position: relative; }
.card.selected .card-check { display:block; background: #5ab34a; border-color: #46923a; box-shadow: 0 0 0 2px rgba(255,255,255,0.9) inset; }
.card.selected .card-check::after { content: '\2713'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -58%); color: #fff; font-weight: 800; font-size: 14px; }
.card-title { text-align: center; font-weight: 800; font-size: 14px; text-shadow: 0 2px 0 rgba(255,255,255,0.7); }
.card:hover { background: var(--panel-hover); }

/* Looking */
.looking { display: none; }
.looking h2 { }

/* Verify */
.verify { display: none; }
.verify h2 { margin: 0 0 8px; }
.verify p { margin: 0 0 16px; color: var(--muted); }
.verify-result { margin-top: 12px; color: var(--muted); min-height: 22px; }

/* Inline errors */
.error { color: #d12d2d; font-weight: 700; margin-top: 4px; min-height: 20px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0; text-align: center; color: var(--muted); }

/* Buttons */
.btn { display: inline-block; border: none; border-radius: 10px; padding: 10px 16px; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--brand); color: #0b0d12; }
.btn-primary:hover { filter: brightness(1.05); }

/* Modal */
.modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 1000; }
.modal[aria-hidden="false"] { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.modal-dialog { position: relative; z-index: 1; width: min(95vw, 640px); max-height: 90vh; overflow: auto; background: linear-gradient(180deg,#c7f19a 0%, #b3ea83 60%, #a7e575 100%); color: #12310e; border-radius: 22px; box-shadow: 0 35px 70px rgba(0,0,0,0.35); padding: 24px; text-align: center; border: 1px solid rgba(0,0,0,0.08); }
.modal-body h3 { margin: 12px 0 0; }
.modal-actions { margin-top: 12px; }
.spinner { width: 28px; height: 28px; border: 3px solid #cde6b0; border-top-color: #5ab34a; border-radius: 50%; margin: 0 auto; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Offerwall styles inside modal */
.offers-wrap { padding: 6px 10px 14px; }
.offer-logo { width: 180px; height: auto; margin: 6px auto 10px; display:block; filter: drop-shadow(0 3px 0 rgba(0,0,0,0.16)); }
.offer-instruction { font-weight: 800; font-size: 22px; margin: 6px 0 18px; color: #133312; text-shadow: 0 2px 0 rgba(255,255,255,0.6); }
.offers-list { padding: 0.5rem; background: transparent; border-radius: 16px; }
.offers-buttons { display:flex; flex-direction:column; gap:16px; }
.offer-button { background:#1ad15e; color:#ffffff; border: 3px solid #2a9c4c; border-radius:22px; padding:18px 20px; font-weight:800; font-size:18px; box-shadow: 0 10px 18px rgba(0,0,0,0.12); cursor:pointer; transition: transform .08s ease, box-shadow .12s ease, filter .12s ease; text-align:center; }
.offer-button:hover { transform: translateY(-2px); box-shadow: 0 16px 26px rgba(0,0,0,0.18); filter: brightness(1.03); }
.offer-button:active { transform: translateY(0); }
.offer-footer { margin-top: 16px; color: #b61f1f; font-weight: 800; }