.sitra-btn {
    --sitra-btn-height: 42px;
    --sitra-btn-px: 18px;
    --sitra-btn-font: 0.95rem;
    --sitra-btn-radius: 10px;
    --sitra-btn-icon: 18px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: var(--sitra-btn-height);
    padding: 0 var(--sitra-btn-px);
    border-radius: var(--sitra-btn-radius);
    border: 1px solid transparent;
    font-family: 'Work Sans', sans-serif;
    font-size: var(--sitra-btn-font);
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.sitra-btn:focus-visible {
    outline: 2px solid var(--biru-tua-lambang, #013880);
    outline-offset: 2px;
}

.sitra-btn:disabled,
.sitra-btn[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
    transform: none;
}

.sitra-btn__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--sitra-btn-icon);
    height: var(--sitra-btn-icon);
    flex-shrink: 0;
    line-height: 0;
}

.sitra-btn__icon svg {
    width: 100%;
    height: 100%;
}

.sitra-btn--icon-only {
    padding: 0;
    width: var(--sitra-btn-height);
    box-sizing: border-box;
}

.sitra-btn--xs {
    --sitra-btn-height: 30px;
    --sitra-btn-px: 12px;
    --sitra-btn-font: 0.78rem;
    --sitra-btn-radius: 8px;
    --sitra-btn-icon: 14px;
}

.sitra-btn--sm {
    --sitra-btn-height: 36px;
    --sitra-btn-px: 14px;
    --sitra-btn-font: 0.85rem;
    --sitra-btn-radius: 9px;
    --sitra-btn-icon: 16px;
}

.sitra-btn--md {
    --sitra-btn-height: 42px;
    --sitra-btn-px: 18px;
    --sitra-btn-font: 0.95rem;
    --sitra-btn-radius: 10px;
    --sitra-btn-icon: 18px;
}

.sitra-btn--lg {
    --sitra-btn-height: 48px;
    --sitra-btn-px: 22px;
    --sitra-btn-font: 1rem;
    --sitra-btn-radius: 12px;
    --sitra-btn-icon: 20px;
}

.sitra-btn--xl {
    --sitra-btn-height: 54px;
    --sitra-btn-px: 26px;
    --sitra-btn-font: 1.05rem;
    --sitra-btn-radius: 14px;
    --sitra-btn-icon: 22px;
}

.sitra-btn--primary {
    background-color: var(--biru-tua-lambang, #013880);
    border-color: var(--biru-tua-lambang, #013880);
    color: var(--ui-text-inverted, #ffffff);
    box-shadow: 0 6px 14px rgba(1, 56, 128, 0.2);
}

.sitra-btn--primary:hover:not(:disabled) {
    filter: brightness(0.95);
}

.sitra-btn--secondary {
    background-color: var(--kuning-tua-safe, #ffbd07);
    border-color: var(--kuning-tua-safe, #ffbd07);
    color: #1f2937;
    box-shadow: 0 6px 14px rgba(255, 189, 7, 0.25);
}

.sitra-btn--secondary:hover:not(:disabled) {
    filter: brightness(0.95);
}

.sitra-btn--success {
    background-color: var(--hijau, #10b759);
    border-color: var(--hijau, #10b759);
    color: #ffffff;
    box-shadow: 0 6px 14px rgba(16, 183, 89, 0.2);
}

.sitra-btn--success:hover:not(:disabled) {
    filter: brightness(0.95);
}

.sitra-btn--warning {
    background-color: var(--kuning, #ffc107);
    border-color: var(--kuning, #ffc107);
    color: #1f2937;
    box-shadow: 0 6px 14px rgba(255, 193, 7, 0.2);
}

.sitra-btn--warning:hover:not(:disabled) {
    filter: brightness(0.95);
}

.sitra-btn--danger {
    background-color: var(--merah, #dc3545);
    border-color: var(--merah, #dc3545);
    color: #ffffff;
    box-shadow: 0 6px 14px rgba(220, 53, 69, 0.2);
}

.sitra-btn--danger:hover:not(:disabled) {
    filter: brightness(0.95);
}

.sitra-btn--outline {
    background-color: transparent;
    border-color: var(--biru-tua-lambang, #013880);
    color: var(--biru-tua-lambang, #013880);
}

.sitra-btn--outline:hover:not(:disabled) {
    background-color: rgba(1, 56, 128, 0.08);
}

.sitra-btn--outline-danger {
    background-color: transparent;
    border-color: var(--merah, #dc3545);
    color: var(--merah, #dc3545);
}

.sitra-btn--outline-danger:hover:not(:disabled) {
    background-color: rgba(220, 53, 69, 0.06);
}

.sitra-btn--ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--biru-tua-lambang, #013880);
}

.sitra-btn--ghost:hover:not(:disabled) {
    background-color: rgba(1, 56, 128, 0.08);
}

.sitra-btn--link {
    background: none;
    border-color: transparent;
    color: var(--biru-tua-lambang, #013880);
    padding: 0;
    height: auto;
}

.sitra-btn--link:hover:not(:disabled) {
    text-decoration: underline;
}