.card {
    position: relative;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 74px),
        rgba(52, 48, 51, 0.9);
    border: 1px solid var(--brand-border);
    border-radius: 18px;
    padding: var(--space-5);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-orange), var(--brand-orange-dark));
    opacity: 0.72;
}

.card:hover {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 80px),
        rgba(59, 55, 58, 0.94);
    border-color: var(--brand-border-strong);
    transform: translateY(-1px);
}

.card__title {
    margin: 0 0 var(--space-3) 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.075em;
    color: var(--brand-fg-muted);
    font-weight: 700;
}

.card__value {
    font-size: clamp(1.65rem, 2vw, 2.1rem);
    font-weight: 760;
    color: var(--brand-fg);
    letter-spacing: -0.04em;
}

.card__sub {
    margin-top: var(--space-2);
    font-size: 0.85rem;
    color: var(--brand-fg-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--brand-border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent),
        var(--brand-bg-elevated);
    color: var(--brand-fg);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.92rem;
    transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

.btn:hover:not(:disabled) {
    background: var(--brand-bg-card-hover);
    border-color: var(--brand-border-strong);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn--primary {
    background: linear-gradient(135deg, var(--brand-orange), var(--brand-orange-dark));
    color: #1a1416;
    border-color: var(--brand-orange);
    font-weight: 760;
}

.btn--primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #ef714d, var(--brand-orange-dark));
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.02);
    color: var(--brand-fg-muted);
}

.btn--danger {
    background: transparent;
    color: var(--brand-danger);
    border-color: rgba(226, 114, 91, 0.4);
}

.btn--small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.input,
.select,
.textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--brand-border);
    background: rgba(27, 25, 27, 0.72);
    color: var(--brand-fg);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s;
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--brand-orange);
    background: rgba(27, 25, 27, 0.9);
}

.input--mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.field label {
    color: var(--brand-fg-muted);
    font-size: 0.85rem;
    font-weight: 500;
}

.row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.row--end { justify-content: flex-end; }
.row--between { justify-content: space-between; }
.row--wrap { flex-wrap: wrap; }

.spacer { flex: 1 1 auto; }

.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    color: var(--brand-fg-muted);
    border: 1px solid var(--brand-border);
}

.tag--success {
    color: var(--brand-success);
    background: rgba(78, 185, 140, 0.12);
}

.tag--danger {
    color: var(--brand-danger);
    background: rgba(226, 114, 91, 0.12);
}

.tag--blue {
    color: var(--brand-blue);
    background: var(--brand-blue-soft);
}

.muted {
    color: var(--brand-fg-muted);
    font-size: 0.85rem;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9rem;
    background: rgba(52, 48, 51, 0.56);
    border: 1px solid var(--brand-border);
    border-radius: 16px;
    overflow: hidden;
}

.table th,
.table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--brand-border);
}

.table th {
    color: var(--brand-fg-soft);
    font-weight: 720;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.075em;
    background: rgba(255, 255, 255, 0.035);
}

.table tbody tr {
    transition: background 0.12s ease;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.025);
}

.table tr:last-child td {
    border-bottom: 0;
}

.toast {
    position: fixed;
    right: 16px;
    bottom: 16px;
    background: rgba(52, 48, 51, 0.96);
    border: 1px solid var(--brand-border-strong);
    border-radius: 14px;
    padding: 12px 16px;
    min-width: 200px;
    max-width: 360px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    z-index: 1000;
    animation: toast-in 0.2s ease;
}

.toast--error {
    border-color: rgba(226, 114, 91, 0.4);
    color: var(--brand-danger);
}

.toast--success {
    border-color: rgba(78, 185, 140, 0.4);
    color: var(--brand-success);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    padding: var(--space-4);
}

.dialog {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
        var(--brand-bg-elevated);
    border: 1px solid var(--brand-border-strong);
    border-radius: 22px;
    padding: var(--space-5);
    width: 100%;
    max-width: 480px;
}

.code-block {
    background: rgba(27, 25, 27, 0.78);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--brand-border);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    white-space: pre;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
    padding: var(--space-6);
    border: 1px solid var(--brand-border);
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(222, 95, 59, 0.16), transparent 42%),
        linear-gradient(215deg, rgba(222, 95, 59, 0.08), transparent 48%),
        rgba(52, 48, 51, 0.82);
    box-shadow: var(--shadow-card);
}

.hero__eyebrow {
    color: var(--brand-blue);
    font-size: 0.78rem;
    font-weight: 780;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.hero__title {
    margin-bottom: var(--space-2);
}

.hero__meta {
    color: var(--brand-fg-muted);
    max-width: 720px;
}

.metric-card {
    min-height: 142px;
}

.metric-card--accent {
    background:
        linear-gradient(135deg, rgba(222, 95, 59, 0.18), transparent 48%),
        rgba(52, 48, 51, 0.9);
}

.section {
    margin-bottom: var(--space-6);
}

.section__title {
    margin-bottom: var(--space-3);
}

.balance-pill {
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-2);
    padding: 6px 12px;
    border-radius: 999px;
    background:
        linear-gradient(135deg, var(--brand-blue-soft), rgba(255, 255, 255, 0.035));
    color: var(--brand-blue);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid rgba(18, 227, 222, 0.18);
}

.api-test-list {
    display: grid;
    gap: var(--space-4);
}

.api-test-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(260px, 1fr) minmax(280px, 1fr);
    gap: var(--space-4);
    align-items: start;
}

.api-test-card__form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
    align-items: end;
}

.api-test-card__form .field {
    margin-bottom: 0;
}

.api-test-card__response {
    min-width: 0;
}

@media (max-width: 720px) {
    .hero {
        grid-template-columns: 1fr;
        padding: var(--space-5);
    }

    .api-test-card {
        grid-template-columns: 1fr;
    }
}