/* Shared Header Foundation v1
   Scope awal: hanya elemen yang menandai data-shared-header="v1"
   Tujuan: fondasi bertahap, non-breaking
*/

.app-header[data-shared-header="v1"] {
  box-sizing: border-box;
}

.app-header[data-shared-header="v1"] .app-title,
.app-header[data-shared-header="v1"] .header-actions,
.app-header[data-shared-header="v1"] .action-buttons {
  min-width: 0;
}

.app-header[data-shared-header="v1"] .action-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 1;
    flex-wrap: nowrap;
}

.app-header[data-shared-header="v1"] .app-title {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.app-header[data-shared-header="v1"] .app-title-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.app-header[data-shared-header="v1"] .header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}

/* ===== SHARED HEADER TYPOGRAPHY v1 — DESKTOP ===== */
/* Dipisah dari breakpoint override agar shared foundation tetap stabil */

:where(.app-header[data-shared-header="v1"] .app-name) {
    font-family: var(--ui-font);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin: 0;
}

:where(.app-header[data-shared-header="v1"] .app-subtitle) {
    font-family: var(--ui-font);
    font-size: 0.7rem;
    font-weight: 500;
    color: #ffffff;
    opacity: 0.8;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
}

/* ===== SHARED THEME SELECTOR v1 — DESKTOP ===== */

:where(.app-header[data-shared-header="v1"] .theme-selector-wrapper) {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    margin-right: 8px;
}

:where(.app-header[data-shared-header="v1"] .theme-label) {
    font-size: 0.9rem;
    color: var(--color-text-app-header);
    cursor: pointer;
    transition: opacity 0.2s ease;
}

:where(.app-header[data-shared-header="v1"] .theme-label:hover) {
    opacity: 0.7;
}

:where(.app-header[data-shared-header="v1"] .selector-grid) {
    display: contents;
}

:where(.app-header[data-shared-header="v1"] .theme-select) {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-app-header);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 4px 6px;
    font-size: 0.72rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    max-width: 110px;
}

:where(.app-header[data-shared-header="v1"] .theme-select:hover) {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.15);
}

:where(.app-header[data-shared-header="v1"] .theme-select:focus) {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

:where(.app-header[data-shared-header="v1"] .btn-accent) {
    background: var(--accent);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

:where(.app-header[data-shared-header="v1"] .btn-accent:hover) {
    background: var(--accent-light);
    transform: translateY(-1px);
}

:where(.app-header[data-shared-header="v1"] .theme-select option) {
    background: var(--color-bg-app-header);
    color: var(--color-text-app-header);
}

/* ================================================
   RESPONSIVE FLEX CONTRACT v1
   Dikelola di shared — berlaku untuk semua modul
   yang menggunakan data-shared-header="v1"
   ================================================ */

/* Tablet & Split Screen: perkecil gap, jangan wrap dulu */
@media (max-width: 768px) {
    .app-header[data-shared-header="v1"] .header-actions {
        gap: 6px;
        flex-wrap: nowrap;
        overflow: hidden;
    }

    .app-header[data-shared-header="v1"] .action-buttons {
        gap: 4px;
        flex-shrink: 1;
    }
}

/* Mobile: izinkan wrap, action-buttons turun ke baris penuh */
@media (max-width: 480px) {
    .app-header[data-shared-header="v1"] .header-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        flex-wrap: nowrap;
        overflow: visible;
        width: 100%;
    }

    .app-header[data-shared-header="v1"] .action-buttons {
        width: 100%;
        gap: 4px;
        flex-shrink: unset;
        order: unset;
    }
}