:root {
    --bg: #0a0a0a;
    --bg-card: #111110;
    --green: #5cb832;
    --green-dim: #3a7a1e;
    --green-glow: rgba(92, 184, 50, 0.15);
    --text: #e4e4e0;
    --text-dim: #8a8a80;
    --text-muted: #555550;
    --border: rgba(92, 184, 50, 0.12);
    --border-bright: rgba(92, 184, 50, 0.28);
    --danger: #d44;
    --radius: 10px;
    --nav-h: 56px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

::selection {
    background: var(--green-dim);
    color: #fff;
}

/* ── Navbar ──────────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 1000;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.nav-links {
    display: flex;
    gap: 16px;
}

.nav-link {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-link:hover {
    color: var(--green);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.nav-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 0.5px;
}

/* ── Hero ────────────────────────────────────────────────── */

.hero {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: calc(var(--nav-h) + 20px) 20px 20px;
}

.hero-inner {
    max-width: 480px;
    width: 100%;
    text-align: center;
}

.hero-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin-bottom: 12px;
}

.hero-heading {
    font-size: clamp(20px, 4.5vw, 28px);
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.hero-sub {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* ── Buy card ────────────────────────────────────────────── */

.buy-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 14px;
    overflow: hidden;
}

.buy-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: background 0.15s;
}

.buy-toggle:hover {
    background: var(--green-glow);
}

.buy-arrow {
    transition: transform 0.2s;
}

.buy-card.open .buy-arrow {
    transform: rotate(180deg);
}

.buy-body {
    display: none;
    padding: 0 14px 14px;
}

.buy-card.open .buy-body {
    display: block;
}

.buy-steps {
    list-style: none;
    counter-reset: step;
    padding: 0;
    margin: 0 0 12px;
}

.buy-steps li {
    counter-increment: step;
    font-size: 12px;
    color: var(--text-dim);
    padding: 5px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.4;
}

.buy-steps li::before {
    content: counter(step) ".";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
    font-size: 12px;
}

.buy-steps li strong {
    color: var(--text);
}

.buy-img {
    width: 100%;
    border-radius: 8px;
}

/* ── Message card ────────────────────────────────────────── */

.msg-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    text-align: left;
    margin-bottom: 12px;
}

.msg-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.msg-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.msg-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-select {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    color: var(--text);
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--border-bright);
    border-radius: 5px;
    padding: 4px 8px;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238a8a80'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    padding-right: 20px;
}

.lang-select:focus {
    border-color: var(--green);
}

.msg-text {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    line-height: 1.45;
    color: var(--text-dim);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    padding: 8px 10px;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
    overflow: hidden;
}

.msg-copy {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: border-color 0.15s, color 0.15s;
    line-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.msg-copy:hover {
    border-color: var(--border-bright);
    color: var(--text);
}

/* ── Claim card ──────────────────────────────────────────── */

.claim-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 20px;
    text-align: left;
}

.step-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}

.step-label:not(:first-child) {
    margin-top: 16px;
}

/* ── Upload zone ─────────────────────────────────────────── */

.upload-zone {
    position: relative;
    border: 2px dashed var(--border-bright);
    border-radius: var(--radius);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    overflow: hidden;
}

.upload-zone:hover {
    border-color: var(--green);
    background: var(--green-glow);
}

.upload-zone.dragover {
    border-color: var(--green);
    background: rgba(92, 184, 50, 0.08);
}

.upload-zone.has-file {
    border-style: solid;
    cursor: default;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    pointer-events: none;
}

.upload-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--green);
    line-height: 1;
}

.upload-text {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dim);
}

.upload-hint {
    font-size: 11px;
    color: var(--text-muted);
}

.upload-preview {
    max-width: 100%;
    max-height: 160px;
    object-fit: contain;
    border-radius: 6px;
}

.upload-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    line-height: 1;
}

.upload-remove:hover {
    background: var(--danger);
}

/* ── Wallet input ────────────────────────────────────────── */

.wallet-input {
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: var(--text);
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--border-bright);
    border-radius: 8px;
    padding: 10px 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.wallet-input::placeholder {
    color: var(--text-muted);
}

.wallet-input:focus {
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
}

/* ── Holder status ───────────────────────────────────────── */

.holder-status {
    min-height: 20px;
    margin-top: 8px;
    font-size: 13px;
    transition: opacity 0.2s;
}

.holder-status.checking {
    color: var(--text-muted);
    font-style: italic;
}

.holder-status.holder-yes {
    color: var(--green);
    font-weight: 500;
}

.holder-status.holder-no {
    color: var(--danger);
    font-weight: 500;
}

/* ── Submit button ───────────────────────────────────────── */

.submit-btn {
    width: 100%;
    margin-top: 16px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #0a0a0a;
    background: var(--green);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(92, 184, 50, 0.3);
}

.submit-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ── Result message ──────────────────────────────────────── */

.submit-result {
    margin-top: 16px;
    font-size: 14px;
    padding: 14px 16px;
    border-radius: 8px;
    line-height: 1.6;
}

.submit-result.result-ok {
    color: var(--green);
    background: rgba(92, 184, 50, 0.08);
    border: 1px solid var(--border-bright);
}

.submit-result.result-err {
    color: var(--danger);
    background: rgba(221, 68, 68, 0.08);
    border: 1px solid rgba(221, 68, 68, 0.2);
}

/* ── Status box ─────────────────────────────────────────── */

.status-box {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
}

.status-box.s-pending {
    color: var(--text-dim);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.status-box.s-approved {
    color: var(--green);
    background: rgba(92, 184, 50, 0.08);
    border: 1px solid var(--green-dim);
}

.status-box.s-declined {
    color: var(--danger);
    background: rgba(221, 68, 68, 0.08);
    border: 1px solid rgba(221, 68, 68, 0.2);
}

.status-box a {
    color: var(--green);
    text-decoration: none;
}

.status-box a:hover {
    text-decoration: underline;
}

/* ── Footer ──────────────────────────────────────────────── */

.footer {
    border-top: 1px solid var(--border);
    padding: 14px 20px;
}

.footer-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.footer-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
    opacity: 0.5;
}

.footer-copy {
    font-size: 12px;
    color: var(--text-muted);
}

/* ── Responsive ──────────────────────────────────────────── */

/* ── Slime splash ────────────────────────────────────────── */

.slime-blob {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #7de04a, #3a8a1a);
    box-shadow: 0 0 6px rgba(92, 184, 50, 0.5), inset 0 -2px 4px rgba(0,0,0,0.2);
    opacity: 0;
    animation: slimeSplat 0.6s ease-out forwards;
    transform: translate(-50%, -50%);
}

@keyframes slimeSplat {
    0% {
        opacity: 0.9;
        transform: translate(-50%, -50%) translate(0, 0) scale(0.3);
    }
    30% {
        opacity: 0.9;
        transform: translate(-50%, -50%) translate(var(--dx), var(--dy)) scale(1.1);
    }
    60% {
        opacity: 0.7;
        transform: translate(-50%, -50%) translate(var(--dx), calc(var(--dy) + var(--fall))) scale(1, 0.7);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) translate(var(--dx), calc(var(--dy) + var(--fall) + 10px)) scale(0.8, 0.3);
    }
}

@media (max-width: 600px) {
    .claim-card {
        padding: 24px 18px;
    }

    .hero-logo {
        width: 60px;
        height: 60px;
    }

    .hero-heading {
        font-size: 22px;
    }

    .upload-zone {
        min-height: 80px;
    }
}