*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Outfit', 'Segoe UI', system-ui, sans-serif;
    background: #0f1117;
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}
.card {
    background: #141720;
    border: 1px solid #2d3148;
    border-radius: 12px;
    padding: 40px 32px;
    max-width: 380px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.icon {
    font-size: 1.6rem;
    opacity: 0.7;
}
h1 {
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: #fff;
}
p {
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.6;
}
.btn {
    width: 100%;
    padding: 13px 20px;
    background: #3b4fd8;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}
.btn:hover { background: #4f63f0; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn--ghost {
    background: transparent;
    border: 1px solid #2d3148;
    color: #94a3b8;
}
.btn--ghost:hover { background: #1e2130; border-color: #3d4270; }
.spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid #2d3148;
    border-top-color: #3b4fd8;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }
.error-text { color: #f87171; font-size: 0.82rem; }