:root {
    --bg: #1a1c2e;
    --card-bg: #24263b;
    --accent: #5865F2;
    --accent-hover: #4752c4;
    --danger: #ed4245;
    --success: #3ba55d;
    --text: #e6e8f0;
    --text-dim: #9aa0b4;
    --border: #33364f;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, #2b2e4a 0%, var(--bg) 60%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.wrapper { width: 100%; max-width: 440px; }

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
    overflow: hidden;
}

.card-header {
    padding: 28px 28px 0;
    text-align: center;
}

.logo { font-size: 40px; margin-bottom: 8px; }

.card-header h1 { font-size: 20px; margin: 0 0 20px; color: var(--text); }

.card-body { padding: 8px 28px 32px; }

p { line-height: 1.55; color: var(--text-dim); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 20px;
    border-radius: 10px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s ease;
}

.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { background: #2c2f47; }

.code-input {
    width: 100%;
    padding: 14px;
    font-size: 24px;
    letter-spacing: 10px;
    text-align: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #1c1e30;
    color: var(--text);
    margin: 18px 0;
}
.code-input:focus { outline: none; border-color: var(--accent); }

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 18px;
    font-size: 14px;
}
.alert-error   { background: rgba(237,66,69,.12); color: #ff8688; border: 1px solid rgba(237,66,69,.35); }
.alert-success { background: rgba(59,165,93,.12); color: #7ee2a0; border: 1px solid rgba(59,165,93,.35); }
.alert-info    { background: rgba(88,101,242,.12); color: #b7bdf9; border: 1px solid rgba(88,101,242,.35); }

.icon-big { font-size: 52px; text-align: center; margin: 10px 0 4px; }
.center { text-align: center; }

.disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 18px;
    padding: 0 20px;
}

.link-plain { color: var(--text-dim); font-size: 13px; text-decoration: underline; }