/* =========================================================
   HitunginAja - Konversi Satuan
   ========================================================= */

.hitunginaja-konversi-calculator,
.hitunginaja-konversi-hub {
    --hnjkv-primary: #1d4ed8;
    --hnjkv-primary-hover: #1e40af;
    --hnjkv-text-dark: #0f172a;
    --hnjkv-text-muted: #64748b;
    --hnjkv-border: #e2e8f0;
    --hnjkv-bg-light: #f8fafc;
    --hnjkv-red: #f43f5e;
    --hnjkv-red-light: #ffe4e6;
    --hnjkv-blue: #0ea5e9;
    --hnjkv-blue-light: #e0f2fe;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--hnjkv-text-dark);
}
.hitunginaja-konversi-calculator *,
.hitunginaja-konversi-hub * { box-sizing: border-box; }

.hitunginaja-konversi-calculator {
    max-width: 480px; width: 100%; margin: 0 auto; padding: 32px 28px;
    background: #fff; border: 1px solid var(--hnjkv-border); border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05); text-align: center;
}
.hnjkv-icon {
    width: 56px; height: 56px; margin: 0 auto 16px;
    background: var(--hnjkv-blue-light); color: var(--hnjkv-blue);
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.hnjkv-title { font-size: 1.4rem; font-weight: 700; margin: 0 0 8px; }
.hnjkv-subtitle { color: var(--hnjkv-text-muted); font-size: 0.85rem; margin: 0 0 20px; line-height: 1.5; }

.hnjkv-form { text-align: left; margin-top: 20px; }
.hnjkv-row { display: grid; grid-template-columns: 1fr 1.3fr; gap: 10px; align-items: end; }
.hnjkv-field { display: flex; flex-direction: column; gap: 6px; }
.hnjkv-field label { font-size: 0.82rem; font-weight: 600; color: var(--hnjkv-text-dark); }
.hnjkv-label-hidden {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.hnjkv-input-value,
.hnjkv-select {
    width: 100%; padding: 12px 14px; border: 1px solid var(--hnjkv-border);
    border-radius: 10px; font-size: 1rem; color: var(--hnjkv-text-dark);
    font-family: inherit; outline: none; transition: border-color .15s, box-shadow .15s;
    background: #fff; -moz-appearance: textfield; appearance: textfield;
}
.hnjkv-input-value::-webkit-outer-spin-button,
.hnjkv-input-value::-webkit-inner-spin-button {
    -webkit-appearance: none; margin: 0;
}
.hnjkv-input-value:focus, .hnjkv-select:focus {
    border-color: var(--hnjkv-primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}
.hnjkv-result-value {
    background: var(--hnjkv-bg-light); font-weight: 700; color: var(--hnjkv-primary);
    cursor: default;
}

.hnjkv-swap-btn {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; margin: 10px auto; border-radius: 50%;
    border: 1px solid var(--hnjkv-border); background: #fff; color: var(--hnjkv-primary);
    cursor: pointer; font-size: 0.95rem; transition: background .15s, transform .2s;
}
.hnjkv-swap-btn:hover { background: var(--hnjkv-bg-light); }
.hnjkv-swap-btn:active { transform: rotate(180deg); }

.hnjkv-error {
    margin-top: 16px; padding: 12px 14px; background: var(--hnjkv-red-light);
    color: #9f1239; border-radius: 10px; font-size: 0.85rem; text-align: left;
}

/* ---------- Hub tab ---------- */
.hitunginaja-konversi-hub { max-width: 560px; margin: 0 auto; }
.hnjkv-tabs {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 24px;
    padding: 6px; background: var(--hnjkv-bg-light); border-radius: 14px;
}
.hnjkv-tab-btn {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 6px; border: none; background: transparent; border-radius: 10px; cursor: pointer;
    font-family: inherit; font-size: 0.74rem; font-weight: 600; color: var(--hnjkv-text-muted);
    transition: background .15s, color .15s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hnjkv-tab-btn i { font-size: 1.05rem; }
.hnjkv-tab-btn:hover { color: var(--hnjkv-text-dark); }
.hnjkv-tab-btn.is-active { background: #fff; color: var(--hnjkv-primary); box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

.hnjkv-tab-panel { display: none; }
.hnjkv-tab-panel.is-active { display: block; animation: hnjkv-fade .18s ease; }
@keyframes hnjkv-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.hnjkv-tab-panel .hitunginaja-konversi-calculator { box-shadow: none; border: none; padding: 0; max-width: 100%; }

/* ---------- Halaman penuh ---------- */
.hitunginaja-kv-page { padding: 60px 0 80px; }
.hnjkv-page-container { max-width: 620px; margin: 0 auto; padding: 0 24px; }
.hnjkv-page-title { font-size: 2rem; font-weight: 700; text-align: center; margin: 0 0 12px; font-family: 'Inter', sans-serif; }
.hnjkv-page-intro { max-width: 480px; margin: 0 auto 32px; text-align: center; color: #64748b; font-family: 'Inter', sans-serif; line-height: 1.6; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
    .hnjkv-page-container { padding: 0 20px; }
    .hnjkv-page-title { font-size: 1.6rem; }
    .hitunginaja-konversi-calculator { padding: 28px 22px; border-radius: 14px; }
    .hnjkv-tabs { grid-template-columns: repeat(4, 1fr); }
    .hnjkv-tab-btn { font-size: 0.7rem; padding: 8px 4px; }
}

@media (max-width: 480px) {
    .hitunginaja-kv-page { padding: 40px 0 60px; }
    .hnjkv-page-container { padding: 0 16px; }
    .hnjkv-page-title { font-size: 1.4rem; }
    .hitunginaja-konversi-calculator { padding: 22px 18px; border-radius: 12px; max-width: 100%; }
    .hnjkv-icon { width: 48px; height: 48px; font-size: 1.2rem; }
    .hnjkv-title { font-size: 1.2rem; }
    .hnjkv-row { grid-template-columns: 1fr; gap: 8px; }
    .hnjkv-input-value, .hnjkv-select { padding: 11px 12px; font-size: 0.92rem; }
    .hnjkv-tabs { gap: 5px; padding: 5px; grid-template-columns: repeat(3, 1fr); }
    .hnjkv-tab-btn { padding: 8px 4px; font-size: 0.66rem; }
    .hnjkv-tab-btn i { font-size: 0.95rem; }
}

@media (max-width: 360px) {
    .hitunginaja-konversi-calculator { padding: 18px 14px; }
}