/* =========================================================
   MASTER RESPONSIVE CSS (HP & TABLET)
   ========================================================= */

/* TOMBOL MENU MOBILE (Sembunyi di Desktop) */
.mobile-menu-btn {
  display: none;
  background: var(--purple-accent);
  color: white;
  border: none;
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* MOBILE HEADER & OVERLAY */
.mobile-header {
  display: none;
  background: white;
  padding: 12px 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 900;
}

.mobile-logo-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-logo {
  height: 32px;
}

.mobile-brand-name {
  font-size: 18px;
  color: #2d3748;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: auto;
  top: -25vh;
  left: -25vw;
  height: 150vh !important;
  width: 150vw !important;
  background: rgba(0, 0, 0, 0.4);
  z-index: 9998 !important;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
  overscroll-behavior: contain !important;
  touch-action: none !important;
}

body.no-scroll {
  overflow: hidden !important;
  height: 100vh !important;
  touch-action: none !important;
}

/* =========================================
   TABLET (Layar di bawah 1024px)
   ========================================= */
@media screen and (max-width: 1024px) {

  .su-grid-3,
  .sa-clubs-grid,
  .dept-grid,
  .policy-grid,
  .dashboard-grid,
  .services-grid,
  .finance-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .content-grid {
    grid-template-columns: 1fr;
    /* Stack dashboard right panel to bottom on tablet */
  }
}

/* =========================================
   SMARTPHONE / HP (Layar di bawah 768px)
   ========================================= */
@media screen and (max-width: 768px) {

  body {
    flex-direction: column;
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }

  .mobile-header {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 990 !important;
  }

  /* ULTRA SLEEK MOBILE SIDEBAR MECHANICS (Benar-benar tersembunyi tanpa mengintip) */
  .sidebar {
    position: fixed !important;
    left: -320px !important; /* Sepenuhnya di luar layar saat tertutup */
    top: 68px !important; /* Start higher, flush with fixed header */
    bottom: auto !important; /* Wrap content instead of stretching */
    width: 260px !important;
    height: auto !important;
    max-height: calc(100dvh - 80px) !important; /* Prevent cut off using dvh */
    border-radius: 16px !important;
    z-index: 9999 !important;
    transform: translateX(0) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    visibility: hidden !important;
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.32s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.32s !important;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.25) !important;
  }

  .sidebar.active {
    transform: translateX(332px) !important; /* Muncul mulus ke posisi 12px dari kiri (-320 + 332 = 12) */
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
  }

  /* Tulisan menu sidebar dikecilkan di mobile */
  .sidebar .nav-item,
  .sidebar .sidebar-settings {
    font-size: 11px !important;
    padding: 6px 12px !important;
    margin: 0 8px 2px 8px !important;
    border-left: 4px solid transparent;
  }

  /* Efek ripple/press di mobile */
  .sidebar .nav-item:active,
  .sidebar .sidebar-settings:active {
    transform: scale(0.96) !important;
    background: rgba(255, 255, 255, 0.15) !important;
    transition: transform 0.1s, background 0.1s !important;
  }

  /* Perjelas penanda menu aktif di mobile */
  .sidebar .nav-item.active {
    border-left: 4px solid #2563eb !important;
    background: #ffffff !important;
    color: #1e3a8a !important;
  }

  .sidebar .nav-item i,
  .sidebar .sidebar-settings i {
    font-size: 13px !important;
  }

  .sidebar .nav-section-label {
    font-size: 9px !important;
    padding: 6px 12px 2px !important;
  }

  .sidebar .user-name {
    font-size: 11px !important;
  }

  .sidebar .sidebar-brand,
  .sidebar .sidebar-search-container {
    display: none !important;
  }

  .sidebar .sidebar-nav-wrapper {
    padding-top: 6px !important;
    flex: 1 !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }

  .sidebar .sidebar-nav {
    overscroll-behavior: contain !important;
  }


  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .breadcrumb-bar {
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
  }

  .hero h1 {
    font-size: 24px;
  }

  .page-header {
    padding: 12px 16px;
    margin-top: 10px;
    top: 10px;
    border-radius: 8px;
    margin-bottom: 20px;
  }

  .page-header h1 {
    font-size: 18px;
    margin-bottom: 4px;
    gap: 8px;
  }

  .page-header p {
    font-size: 12px;
  }

  .su-grid-2,
  .su-grid-3,
  .ea-grid-2,
  .ss-grid-2,
  .sa-leadership-grid,
  .sa-clubs-grid,
  .dashboard-grid,
  .content-grid,
  .dept-grid,
  .quick-links-grid,
  .dept-info-grid,
  .top-row,
  .bottom-row,
  .stats-row,
  .forms-horizontal-grid,
  .services-grid {
    grid-template-columns: 1fr !important;
    flex-direction: column !important;
  }

  .policy-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
  
  .policy-card {
    padding: 12px !important;
  }

  .finance-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .finance-card {
    padding: 12px !important;
  }

  .finance-icon {
    width: 36px !important;
    height: 36px !important;
    font-size: 16px !important;
    margin-bottom: 10px !important;
  }

  .finance-card h3 {
    font-size: 12px !important;
    margin-bottom: 4px !important;
    line-height: 1.2 !important;
  }

  .finance-price {
    margin-bottom: 8px !important;
  }

  .finance-price .amount {
    font-size: 14px !important;
  }

  .finance-price .currency {
    font-size: 10px !important;
  }

  .finance-list {
    gap: 4px !important;
    margin-bottom: 10px !important;
  }

  .finance-list li {
    font-size: 10px !important;
    line-height: 1.3 !important;
    gap: 6px !important;
    margin-bottom: 8px !important;
  }

  .finance-list li i {
    font-size: 10px !important;
    margin-top: 1px !important;
  }

  .finance-card-link {
    font-size: 11px !important;
    margin-top: auto !important;
  }

  .ea-table,
  table {
    display: block;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }

  .ss-tabs,
  .ea-tabs {
    padding-bottom: 10px;
  }

  .tab-btn {
    font-size: 14px;
  }

  .modal-card {
    width: 90%;
    padding: 24px 20px;
  }

  .modal-actions {
    flex-direction: column;
  }

  .btn-cancel,
  .btn-danger {
    width: 100%;
  }

  /* PDF Viewer Header */
  .pdf-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 16px;
  }

  .pdf-actions {
    width: 100%;
    justify-content: flex-start;
  }

  /* =========================================================================
     MASTER ADMIN & STUDENT PORTAL MOBILE POLISH (Tata letak tengah rapi, presisi & anti-potong)
     ========================================================================= */
  body.admin-app-viewport .main,
  body.dashboard-app-viewport .main,
  .main {
    margin-left: 0 !important;
    margin-top: 0 !important;
    padding-top: 72px !important; /* Kompensasi untuk fixed mobile-header (56px) + ruang */
    padding-left: 14px !important;
    padding-right: 14px !important;
    padding-bottom: 60px !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
  }

  /* Mengunci Page Header agar Tidak Sticky & Tidak Overlap dengan Konten di Bawahnya */
  .page-header {
    position: relative !important;
    top: auto !important;
    width: 100% !important;
    max-width: 600px !important;
    margin: 0 auto 20px auto !important;
    padding: 18px 20px !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05) !important;
  }

  .header,
  .bottom-dashboard-section,
  .admin-card,
  .su-card,
  .card,
  .table-responsive {
    width: 100% !important;
    max-width: 600px !important; /* Proporsi emas di tengah untuk smartphone & tablet */
    box-sizing: border-box !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  /* Bottom Dashboard Section sebagai Flow Vertikal Rapi */
  .bottom-dashboard-section {
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
  }

  .page-header h1,
  .section-title {
    font-size: 20px !important;
    line-height: 1.35 !important;
    word-wrap: break-word !important;
  }

  .admin-card,
  .card,
  .su-card {
    padding: 20px 16px !important;
    border-radius: 16px !important;
    margin-bottom: 0 !important;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05) !important;
    background: #ffffff !important;
  }

  /* Judul Form di Dalam Menu Admin */
  .admin-card h3,
  .card h3 {
    font-size: 17px !important;
    font-weight: 800 !important;
    margin-top: 0 !important;
    margin-bottom: 16px !important;
    color: #1e293b !important;
  }

  .form-group {
    margin-bottom: 16px !important;
    width: 100% !important;
  }

  .form-group label {
    font-size: 12px !important;
    font-weight: 700 !important;
    color: #334155 !important;
    margin-bottom: 6px !important;
    display: block !important;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 14px !important;
    padding: 12px 14px !important;
    width: 100% !important;
    border-radius: 10px !important;
    border: 1px solid #cbd5e1 !important;
    background: #f8fafc !important;
    box-sizing: border-box !important;
  }

  .btn-primary,
  .btn-danger,
  .btn {
    width: 100% !important;
    padding: 13px 16px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    border-radius: 10px !important;
    box-sizing: border-box !important;
  }

  /* Tombol Header & Add agar stack vertikal rapi dan tidak bertumpuk */
  .bottom-dashboard-section > div[style*="justify-content: space-between"] {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 14px !important;
    width: 100% !important;
  }

  /* Tabel Admin agar bisa di-scroll horizontal tanpa memotong halaman */
  .admin-table,
  .doc-table,
  .bottom-dashboard-section table,
  table {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    white-space: nowrap !important;
    border-radius: 10px !important;
    margin-top: 10px !important;
  }

  .admin-table th,
  .admin-table td,
  .doc-table th,
  .doc-table td {
    padding: 12px 14px !important;
    font-size: 13px !important;
  }

  .form-grid,
  .form-row {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }

  /* CALENDAR & BOOKLET ULTRA PREMIUM MOBILE POLISH */
  .calendar-layout {
    flex-direction: column !important;
    gap: 24px !important;
    width: 100% !important;
    margin-top: 16px !important;
  }

  .calendar-filters {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    background: var(--card-bg, #ffffff) !important;
    padding: 18px 16px !important;
    border-radius: 16px !important;
    border: 1px solid var(--border-color, #e2e8f0) !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03) !important;
    box-sizing: border-box !important;
  }

  .calendar-filters h3 {
    font-size: 16px !important;
    font-weight: 800 !important;
    margin-bottom: 14px !important;
    text-align: center !important;
  }

  .filter-list {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
    width: 100% !important;
  }

  .filter-item {
    margin-bottom: 0 !important;
    font-size: 12.5px !important;
    background: #f8fafc !important;
    padding: 8px 10px !important;
    border-radius: 10px !important;
    border: 1px solid #cbd5e1 !important;
    box-sizing: border-box !important;
  }

  .calendar-filters .booklet-pure-card {
    margin: 20px auto 0 auto !important;
  }

  .calendar-main {
    width: 100% !important;
    padding: 16px 10px !important;
    border-radius: 16px !important;
    box-sizing: border-box !important;
  }

  .calendar-header-top {
    flex-direction: column !important;
    gap: 14px !important;
    margin-bottom: 18px !important;
  }

  .calendar-header-top > div {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
  }

  .calendar-grid {
    gap: 4px !important;
    width: 100% !important;
  }

  .calendar-cell {
    min-height: 52px !important;
    padding: 4px !important;
    border-radius: 8px !important;
  }

  .date-number {
    font-size: 12px !important;
    margin-bottom: 3px !important;
  }

  /* Booklet Popup Lightbox Mobile Optimization */
  #booklet-popup-modal {
    padding: 12px !important;
  }

  #booklet-popup-modal > button {
    top: 14px !important;
    right: 14px !important;
    width: 42px !important;
    height: 42px !important;
    font-size: 17px !important;
    background: rgba(15, 23, 42, 0.75) !important;
  }

  .pure-pdf-popup-box {
    width: 100% !important;
    height: 84vh !important;
    border-radius: 16px !important;
  }

  /* Global Mobile PDF Iframe scroll fix */
  .custom-pdf-container iframe {
    /* Removed pointer-events: none to allow interaction */
  }

  /* Student Affairs & External Activities & Services Responsiveness */
  .affairs-card {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 14px !important;
    gap: 12px !important;
  }
  .affairs-img-wrapper {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 2/1;
  }
  .affairs-content {
    padding: 0 4px !important;
  }
  .exchange-hero {
    flex-direction: column !important;
    padding: 20px !important;
    gap: 20px !important;
  }
  .exchange-hero-img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 16/9;
  }
  
  .services-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
  }
  .service-tile h3 {
    font-size: 14px !important;
  }

  /* Fix Announcement Blue Line on Mobile */
  .ann-item {
    border-top: none !important;
    border-left: 3px solid #3b82f6 !important;
    padding-top: 0 !important;
    padding-left: 12px !important;
  }
  
  .widget-card-ann {
    border-top: 1px solid var(--border-color) !important;
    border-left: none !important;
  }
}

/* =========================================================
   ADMIN DESKTOP RESPONSIVENESS & UI UPGRADES
   ========================================================= */
@media (min-width: 1024px) {
  .main-content {
    max-width: 1560px;
    margin: 0 auto;
    padding-left: calc(var(--sidebar-width) + 32px);
    padding-right: 32px;
    transition: all 0.3s ease;
  }
  
  .admin-docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1600px) {
  .main-content {
    max-width: 1720px;
  }
}

/* Admin Alert Banner & Responsive Tables */
.admin-alert-banner {
  animation: slideInDown 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
  -webkit-overflow-scrolling: touch;
}

.table-responsive-wrapper table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}