:root {
    /* TEMA TERANG (MODERN SOFT UI) */
    --bg-color: #f3f5f9;      /* Abu-abu sangat lembut untuk latar */
    --surface: #ffffff;       /* Putih murni untuk kartu */
    --surface-hover: #f8fafc;
    --primary: #6366f1;       /* Warna Indigo yang lebih elegan */
    --primary-hover: #4f46e5;
    --text-main: #1e293b;     /* Teks tidak hitam pekat */
    --text-muted: #64748b;
    --border: rgba(0, 0, 0, 0.04);
    --shadow: 0 10px 30px rgba(148, 163, 184, 0.15); /* Bayangan lembut */
    --shadow-hover: 0 20px 40px rgba(148, 163, 184, 0.25);
    --radius-lg: 24px;
    --radius-md: 16px;
}

body.dark-mode {
    /* TEMA GELAP (SLEEK SLATE) */
    --bg-color: #0f172a;
    --surface: #1e293b;
    --surface-hover: #334155;
    --primary: #818cf8;
    --primary-hover: #6366f1;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.05);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { background-color: var(--bg-color); color: var(--text-main); display: flex; height: 100vh; overflow: hidden; transition: background-color 0.4s ease, color 0.4s ease; }

/* --- SIDEBAR MODERN --- */
.sidebar { width: 280px; background-color: var(--bg-color); padding: 24px 16px; display: flex; flex-direction: column; z-index: 100; transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.brand { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; padding: 0 12px; }
.brand-left { display: flex; align-items: center; gap: 12px; }
.brand h2 { font-size: 22px; font-weight: 700; color: var(--text-main); letter-spacing: -0.5px; }
.theme-btn-header { background: var(--surface); box-shadow: var(--shadow); border: 1px solid var(--border); color: var(--primary); font-size: 20px; width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: transform 0.3s ease; }
.theme-btn-header:hover { transform: rotate(15deg) scale(1.1); }
.close-sidebar { display: none; background: none; border: none; color: var(--text-main); font-size: 24px; cursor: pointer; }

.nav-menu { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; }
.nav-category { font-size: 11px; font-weight: 700; color: var(--text-muted); letter-spacing: 1.5px; margin: 20px 0 8px 12px; }

/* Menu dengan gaya "Pill" */
.nav-btn { background: transparent; border: none; color: var(--text-muted); padding: 12px 16px; border-radius: 12px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; gap: 14px; text-align: left; }
.nav-btn i { font-size: 20px; transition: transform 0.3s ease; }
.nav-btn:hover { background-color: rgba(99, 102, 241, 0.08); color: var(--primary); }
.nav-btn:hover i { transform: scale(1.1); }
.nav-btn.active { background-color: var(--primary); color: white; box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3); }
.nav-btn.active i { color: white; }

.logout-btn { margin-top: auto; color: #ef4444; }
.logout-btn:hover { background-color: rgba(239, 68, 68, 0.1); color: #dc2626; }

/* --- MAIN CONTENT & HEADER --- */
.main-content { flex: 1; padding: 20px 30px 30px 10px; overflow-y: auto; position: relative; }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; gap: 20px; background-color: var(--surface); padding: 16px 24px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); }
.header-left { display: flex; align-items: center; gap: 16px; flex: 1; }
.menu-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 26px; cursor: pointer; }

/* Search Bar Melayang */
.header-search { display: flex; align-items: center; background-color: var(--bg-color); border-radius: 100px; padding: 10px 20px; max-width: 350px; width: 100%; transition: box-shadow 0.3s ease; }
.header-search:focus-within { box-shadow: 0 0 0 2px var(--primary); background-color: var(--surface); }
.header-search i { color: var(--text-muted); margin-right: 10px; font-size: 18px; }
.header-search input { border: none; background: transparent; color: var(--text-main); font-size: 14px; outline: none; width: 100%; font-weight: 500; }

.user-profile { display: flex; align-items: center; gap: 14px; cursor: pointer; padding: 6px 16px 6px 6px; border-radius: 100px; transition: background 0.2s; }
.user-profile:hover { background-color: var(--bg-color); }
.avatar { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), #a855f7); color: white; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 15px; font-weight: 700; box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3); }
.user-info span { display: block; font-size: 14px; font-weight: 600; color: var(--text-main); }
.user-info small { color: var(--text-muted); font-size: 12px; font-weight: 500; }

/* --- ANIMASI TRANSISI VIEW --- */
.view-section { display: none; opacity: 0; transform: translateY(15px) scale(0.99); animation: smoothFade 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.view-section.active { display: block; }
@keyframes smoothFade { to { opacity: 1; transform: translateY(0) scale(1); } }

/* --- HERO BANNER (GLASSMORPHISM MESH) --- */
.hero-banner { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%); border-radius: var(--radius-lg); padding: 40px; color: white; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; margin-bottom: 30px; box-shadow: 0 15px 35px rgba(99, 102, 241, 0.3); position: relative; overflow: hidden; }
.hero-banner::after { content: ''; position: absolute; top: -50%; right: -10%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; }
.hero-content h2 { font-size: 28px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.5px; }
.hero-content p { font-size: 15px; opacity: 0.9; font-weight: 500; }

/* --- GRID & CARDS --- */
.dashboard-grid { display: grid; grid-template-columns: 1fr 340px; gap: 30px; align-items: start; }
.card-box { background-color: var(--surface); box-shadow: var(--shadow); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 30px; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.card-box:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.box-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.box-header h3 { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; color: var(--text-main); }
.box-header h3 i { color: var(--primary); background: rgba(99, 102, 241, 0.1); padding: 8px; border-radius: 10px; font-size: 20px; }
.link-muted { color: var(--primary); font-size: 13px; text-decoration: none; font-weight: 600; padding: 6px 12px; border-radius: 100px; background: rgba(99, 102, 241, 0.05); transition: background 0.2s; }
.link-muted:hover { background: rgba(99, 102, 241, 0.1); }

/* --- LIST ITEM MODERN (GANTI GARIS DENGAN BULATAN IKON) --- */
.list-group { display: flex; flex-direction: column; gap: 16px; }
.list-item { display: flex; align-items: center; gap: 16px; padding: 16px; border-radius: var(--radius-md); cursor: pointer; transition: all 0.3s ease; background-color: var(--surface); border: 1px solid var(--border); }
.list-item:hover { background-color: var(--surface-hover); border-color: var(--primary); transform: translateX(6px); box-shadow: 0 4px 15px rgba(0,0,0,0.03); }

/* Ikon Bulat untuk Matkul */
.item-icon { width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.bg-indigo { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.bg-rose { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.bg-emerald { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.bg-amber { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }

.item-info { flex: 1; }
.item-info h4 { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.item-info small { font-size: 12px; color: var(--text-muted); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.item-arrow { color: var(--text-muted); font-size: 20px; opacity: 0; transform: translateX(-10px); transition: all 0.3s; }
.list-item:hover .item-arrow { opacity: 1; transform: translateX(0); color: var(--primary); }

/* --- TIMELINE (AGENDA) --- */
.timeline { display: flex; flex-direction: column; gap: 24px; position: relative; padding-left: 12px; }
.timeline::before { content: ''; position: absolute; left: 16px; top: 8px; bottom: 8px; width: 2px; background-color: var(--border); border-radius: 2px; }
.timeline-item { display: flex; gap: 20px; position: relative; }
.tl-dot { width: 12px; height: 12px; border-radius: 50%; position: relative; z-index: 2; margin-top: 4px; box-shadow: 0 0 0 6px var(--surface); }
.timeline-item.urgent .tl-dot { background-color: #f43f5e; box-shadow: 0 0 0 6px var(--surface), 0 0 10px #f43f5e; }
.tl-content { flex: 1; background: var(--bg-color); padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border); }
.tl-content h5 { font-size: 14px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.tl-content p { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.tl-content small { font-size: 11px; font-weight: 700; color: #f43f5e; background-color: rgba(244, 63, 94, 0.1); padding: 4px 8px; border-radius: 6px; }

/* --- BUTTONS --- */
.btn { padding: 10px 20px; border-radius: 12px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: inline-flex; align-items: center; gap: 8px; justify-content: center; }
.btn:active { transform: scale(0.95); }
.btn-primary { background-color: var(--primary); color: white; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
.btn-primary:hover { background-color: var(--primary-hover); box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4); transform: translateY(-2px); }
.btn-outline-white { background-color: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: white; backdrop-filter: blur(10px); }
.btn-outline-white:hover { background-color: rgba(255,255,255,0.2); transform: translateY(-2px); }
.btn-outline { background-color: transparent; border: 1px solid var(--border); color: var(--text-main); }
.btn-outline:hover { background-color: var(--bg-color); border-color: var(--primary); color: var(--primary); }

/* --- FOLDER MODUL --- */
.course-card { text-align: center; padding: 30px 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; }
.course-card .folder-icon { width: 64px; height: 64px; background: rgba(99, 102, 241, 0.1); color: var(--primary); border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 32px; margin-bottom: 16px; transition: all 0.3s; }
.course-card:hover .folder-icon { transform: scale(1.1) rotate(-5deg); background: var(--primary); color: white; box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3); }

/* --- KALENDER KOTAK --- */
.calendar-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.btn-icon { background: var(--bg-color); border: none; color: var(--text-main); width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; font-size: 20px; }
.btn-icon:hover { background-color: var(--primary); color: white; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(99,102,241,0.2); }
.calendar-grid-wrapper { overflow-x: auto; padding: 20px; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, minmax(100px, 1fr)); gap: 8px; min-width: 800px; }
.cal-day-name { text-align: center; font-size: 13px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.cal-cell { background-color: var(--bg-color); min-height: 120px; padding: 12px; border-radius: 16px; display: flex; flex-direction: column; gap: 6px; border: 1px solid transparent; transition: all 0.2s; }
.cal-cell:hover { border-color: var(--primary); background-color: var(--surface); box-shadow: 0 4px 15px rgba(0,0,0,0.05); transform: translateY(-2px); }
.cal-cell.empty { background-color: transparent; opacity: 0.5; border: 1px dashed var(--border); }
.cal-date { font-size: 15px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; border-radius: 10px; }
.cal-cell.today .cal-date { color: white; background-color: var(--primary); box-shadow: 0 4px 10px rgba(99,102,241,0.3); }

.event-badge { font-size: 11px; padding: 6px 8px; border-radius: 6px; font-weight: 600; background: var(--surface); border: 1px solid var(--border); cursor: default; }
.event-wajib { border-left: 4px solid #f43f5e; color: #f43f5e; }
.event-opsional { border-left: 4px solid #6366f1; color: #6366f1; }

/* --- POP-UP MODAL (JANGAN DIUBAH) --- */
.admin-only { display: none; }
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px); z-index: 999; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.modal-overlay.active { display: flex; opacity: 1; }
.modal-card { background-color: var(--surface); width: 100%; max-width: 420px; padding: 30px; border-radius: var(--radius-lg); border: 1px solid var(--border); transform: translateY(-20px) scale(0.95); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.modal-overlay.active .modal-card { transform: translateY(0) scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal-header h3 { font-size: 18px; font-weight: 700; }
.close-modal { background: var(--bg-color); border: none; font-size: 20px; width: 32px; height: 32px; border-radius: 50%; color: var(--text-muted); cursor: pointer; transition: all 0.2s; }
.close-modal:hover { background: #f43f5e; color: white; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); }
.form-control { width: 100%; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border); background-color: var(--bg-color); color: var(--text-main); font-size: 14px; outline: none; transition: all 0.3s ease; font-weight: 500; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1); background-color: var(--surface); }

/* RESPONSIVE MOBILE */
.sidebar-overlay { 
    display: none; 
    position: fixed; 
    top: 0; left: 0; 
    width: 100%; height: 100%; 
    background: rgba(15, 23, 42, 0.3); /* Warna gelap transparan yang elegan */
    backdrop-filter: blur(8px); /* Efek blur kaca */
    -webkit-backdrop-filter: blur(8px); /* Dukungan khusus untuk iPhone/Safari */
    z-index: 90; 
    opacity: 0; 
    transition: opacity 0.3s ease; 
}
@media (max-width: 992px) { .dashboard-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
    .sidebar { position: fixed; height: 100vh; transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); }
    .close-sidebar, .menu-toggle { display: block; }
    .main-content { padding: 15px; }
    .header { padding: 12px 20px; border-radius: var(--radius-md); }
    .sidebar-overlay.active { display: block; opacity: 1; }
    .user-info, .header-search { display: none; }
}

/* =========================================
   KODE KHUSUS LOGIN & HORIZONTAL TABS
   ========================================= */
.login-wrapper { display: flex; align-items: center; justify-content: center; height: 100vh; width: 100vw; background-color: var(--bg-color); }
.login-card { background-color: var(--surface); padding: 40px; border-radius: var(--radius-lg); border: 1px solid var(--border); width: 100%; max-width: 400px; box-shadow: var(--shadow); }
.login-card .subtitle { text-align: center; margin-bottom: 24px; color: var(--text-muted); font-size: 14px; }
.theme-btn-login { position: absolute; top: 24px; right: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 50%; width: 44px; height: 44px; display: flex; justify-content: center; align-items: center; color: var(--text-muted); font-size: 24px; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: var(--shadow); }
.theme-btn-login:hover { color: var(--primary); transform: scale(1.1) rotate(10deg); }
.demo-text { text-align: center; font-size: 13px; color: var(--text-muted); margin-top: 24px; line-height: 1.6; }
.demo-text code { background-color: rgba(99, 102, 241, 0.1); padding: 4px 8px; border-radius: 6px; border: 1px solid rgba(99, 102, 241, 0.2); color: var(--primary); font-weight: 700; }

/* Desain Horizontal Tabs untuk Mata Kuliah */
.course-tabs { display: flex; gap: 8px; border-bottom: 2px solid var(--border); margin-bottom: 24px; overflow-x: auto; padding-bottom: 2px; }
.course-tab-btn { background: none; border: none; padding: 12px 20px; font-size: 15px; font-weight: 600; color: var(--text-muted); cursor: pointer; position: relative; transition: color 0.3s; white-space: nowrap; border-radius: 8px 8px 0 0; }
.course-tab-btn:hover { color: var(--primary); background: rgba(99, 102, 241, 0.05); }
.course-tab-btn.active { color: var(--primary); }
.course-tab-btn.active::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 100%; height: 3px; background-color: var(--primary); border-radius: 3px 3px 0 0; }
.course-tab-content { display: none; animation: smoothFade 0.4s ease forwards; }
.course-tab-content.active { display: block; }

/* =========================================
   HILANGKAN SCROLLBAR (TETAP BISA SCROLL)
   ========================================= */

/* Untuk Chrome, Safari, dan versi Edge terbaru */
::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

/* Untuk Firefox dan browser lainnya */
* {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge lama */
}

/* ==========================================
   GAYA KHUSUS MODAL / POP-UP
   (Dijamin tidak merusak layout utama)
========================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Latar gelap */
    backdrop-filter: blur(4px); /* Efek blur kaca */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999; /* Selalu paling depan */
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.modal-card {
    background: var(--surface, #ffffff);
    width: 90%;
    max-width: 500px;
    border-radius: var(--radius-lg, 16px);
    padding: 30px;
    transform: translateY(20px); /* Efek muncul dari bawah */
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    border: 1px solid var(--border, #e2e8f0);
    max-height: 90vh;
    overflow-y: auto;
}
.modal-overlay.active .modal-card {
    transform: translateY(0); /* Animasi naik */
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.close-modal {
    background: var(--bg-color, #f1f5f9);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted, #64748b);
    transition: 0.2s;
}
.close-modal:hover {
    background: #f43f5e;
    color: white;
}

/* ==========================================
   FITUR NOTIFIKASI
========================================== */
#notifDropdown {
    display: none; 
    position: absolute; 
    top: 55px; 
    right: 0; 
    width: 340px; 
    background: var(--surface); 
    border: 1px solid var(--border); 
    border-radius: 16px; 
    box-shadow: 0 15px 35px rgba(0,0,0,0.15); 
    z-index: 1000; 
    overflow: hidden;
}

.notif-item {
    transition: background 0.2s ease;
}

.notif-item:hover { 
    background: rgba(0,0,0,0.03) !important; 
}

body.dark-mode .notif-item:hover { 
    background: rgba(255,255,255,0.05) !important; 
}

#notifList::-webkit-scrollbar { 
    width: 6px; 
}

#notifList::-webkit-scrollbar-thumb { 
    background: var(--border); 
    border-radius: 10px; 
}

/* Animasi Badge Muncul */
@keyframes popIn {
    0% { transform: scale(0); }
    80% { transform: scale(1.2); }
    100% { transform: scale(1); }
}
#notifBadge {
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.page-enter{
animation:pageEnter 0.7s ease;
}

@keyframes pageEnter{

0%{
opacity:0;
transform:translateY(30px);
}

100%{
opacity:1;
transform:translateY(0);
}

}
@media (max-width:768px){

#notifDropdown{

position:fixed;
top:70px;

left:50%;
transform:translateX(-72%);

width:92%;
max-width:420px;

right:auto;

}

}

/* ==========================================
   TATA LETAK UTAMA: DESKTOP (PAKSAAN KIRI & KANAN)
========================================== */
.cover-layout {
    display: flex !important;
    flex-direction: row !important; /* Paksa berjajar ke samping (Kiri-Kanan) */
    flex-wrap: nowrap !important;   /* HARAM hukumnya turun ke bawah di Desktop! */
    gap: 30px !important;
    align-items: flex-start !important;
    width: 100% !important;
}

/* Mengunci Form Pengisian (Kiri) agar lebarnya pas 350px */
.cover-layout > .card-box:first-child {
    width: 350px !important;
    flex-shrink: 0 !important; /* Dilarang menciut */
}

/* Mengunci Wadah Preview (Kanan) agar mengisi seluruh sisa layar */
.cover-layout > #kertasContainer {
    flex: 1 !important;
    min-width: 0 !important; 
    width: 100% !important;
}

/* ==========================================
   TATA LETAK: HP & TABLET (SUDAH PAS & AMAN)
========================================== */
@media (max-width: 992px) {
    .cover-layout {
        flex-direction: column !important; /* Di HP baru diizinkan turun ke bawah */
        gap: 40px !important; 
    }
    
    .cover-layout > .card-box:first-child,
    .cover-layout > #kertasContainer {
        width: 100% !important; /* Di HP dua-duanya full layar */
    }

    #kertasContainer {
        padding: 20px 10px !important; /* Latar abu-abu lebih rapi di HP */
    }
}

/* Pastikan wadah scale berpusat di atas */
#scaleWrapper {
    transform-origin: top center;
    width: 100%;
    display: flex;
    justify-content: center;
}

.kertas-a4 {
    width: 794px !important; 
    height: 1123px !important; 
    background: white; 
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15); 
    font-family: 'Montserrat', sans-serif; 
    
    /* KUNCI ANTI GEPENG: Melarang Flexbox memencet elemen ini */
    flex-shrink: 0 !important; 
}
.kertas-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; z-index: 1; }
.text-overlay { position: absolute; z-index: 2; color: #1a202c; }

/* KOTAK JUDUL ATAS */
.title-box {
    top: 17.5%; left: 26%; width: 48%; height: 8%;
    display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
}
.title-main { font-size: 28px; font-weight: 900; text-transform: uppercase; letter-spacing: 1.5px; line-height: 1.1; color: #0f172a; }
.title-sub { font-size: 16px; font-weight: 700; text-transform: uppercase; margin-top: 4px; line-height: 1.2; color: #334155; }

/* KOTAK DETAIL BAWAH (POSISI ASLI UNTUK INDIVIDU) */
.detail-box {
    top: 65%; 
    left: 27%; /* Posisi asli individu */
    width: 46%; /* Lebar asli individu */
    display: flex; 
    flex-direction: column;
    gap: 5.2px 0; 
    transition: all 0.3s ease; /* Efek transisi mulus saat ganti cover */
}

/* KOTAK DETAIL BAWAH (KHUSUS KELOMPOK - LEBIH KIRI & LEBAR) */
/* Class ini akan dipasang dan dicopot otomatis oleh JavaScript */
.detail-box.mode-kelompok-aktif {
    left: 22%; /* Lebih mepet ke kiri */
    width: 55%; /* Jauh lebih lebar ke kanan */
}

/* KEMBALIKAN LABEL AGAR SEMUA TITIK DUA SEJAJAR LURUS */
.detail-flex-row {
    display: flex; align-items: center; width: 100%; font-weight: 700;
    text-transform: uppercase; font-size: 15px; 
}
.detail-flex-row .lbl { 
    font-weight: 800; 
    width: 140px; /* Pastikan semua label ukurannya sama agar titik dua rata */
    flex-shrink: 0; 
}
.detail-flex-row .titik { width: 15px; text-align: center; flex-shrink: 0; }
.detail-flex-row .val { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-align: left; }



/* ==========================================
   PENGATURAN KHUSUS KELOMPOK
========================================== */
#rowPrevKelompok {
    /* PASTIKAN TIDAK ADA KATA 'display' DI SINI */
    flex-direction: column !important; 
    width: 100%; 
    gap: 5px 0; 
}
.detail-flex-row.group-row .val {
    display: flex; justify-content: space-between; align-items: center;
    padding-left: 10px !important; /* Sedikit jarak dari titik dua */
    padding-right: 0 !important; 
    overflow: visible; 
}
.group-row .member-name { 
    flex: 1; 
    text-align: left; 
    overflow: hidden; 
}
.group-row .separator { 
    width: 20px; 
    text-align: center; 
    font-weight: 800; 
}
.group-row .member-nrp { 
    width: 85px; /* Jatah NRP dibuat presisi agar sisa ruang dikasih ke Nama */
    text-align: right; 
    overflow: hidden; 
    flex-shrink: 0; 
}

/* WADAH RESIZE FONT AGAR TIDAK MENGHILANG */
.resize-text { white-space: nowrap; display: inline-block; }