/* ======================================================= */
/* 1. CONFIG & ANIMATIONS (THE SOUL)                       */
/* ======================================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Premium Dark */
    --bg-main: #0f172a;
    --glass-surface: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    
    /* Neon Accents */
    --primary: #3b82f6;       /* Electric Blue */
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #8b5cf6;        /* Violet */
    --gold: #fbbf24;          /* Luxury Gold */
    --success: #10b981;
    --danger: #ef4444;

    /* Text */
    --text-white: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif; /* Font Mahal */
}

body {
    background-color: var(--bg-main);
    color: var(--text-white);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 40%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    display: flex;
    min-height: 100vh;
    backdrop-filter: blur(20px); /* Efek kedalaman */
}

/* Scrollbar Custom */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ======================================================= */
/* 2. SIDEBAR (GLASSMORPHISM)                              */
/* ======================================================= */
.sidebar {
    width: 260px;
    background: rgba(15, 23, 42, 0.7);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding-top: 30px;
    flex-shrink: 0;
    transition: 0.3s;
    z-index: 10;
}

.sidebar .logo {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.sidebar .logo h2 {
    font-size: 22px;
    letter-spacing: 1px;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.sidebar ul { list-style: none; padding: 0 15px; }
.sidebar ul li { margin-bottom: 8px; }

.sidebar ul li a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.sidebar ul li a i { width: 25px; margin-right: 10px; font-size: 16px; }

/* Hover & Active State */
.sidebar ul li a:hover, 
.sidebar ul li.active a {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.1);
    transform: translateX(5px);
}

.sidebar ul li.active a i { color: var(--primary); }

/* ======================================================= */
/* 3. MAIN CONTENT & HEADER                                */
/* ======================================================= */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--glass-border);
}

#judul-halaman { font-size: 24px; font-weight: 600; }

.user-admin {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--glass-surface);
    padding: 8px 20px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    font-size: 14px;
}
.user-admin i { color: var(--primary); }

/* ======================================================= */
/* 4. WIDGETS (CARDS) - THE "WOW" FACTOR                   */
/* ======================================================= */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

/* Efek Kilau saat Hover */
.card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: 0.5s;
}

.card:hover::before { left: 100%; }

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border-color: rgba(255,255,255,0.2);
}

.card h3 {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.card .angka {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 5px;
    text-shadow: 0 0 20px rgba(255,255,255,0.1);
}

/* Indikator Text */
.text-success { color: var(--success); text-shadow: 0 0 10px rgba(16, 185, 129, 0.3); }
.text-warning { color: var(--gold); text-shadow: 0 0 10px rgba(251, 191, 36, 0.3); }
.text-danger { color: var(--danger); text-shadow: 0 0 10px rgba(239, 68, 68, 0.3); }

/* Chart Section */
.chart-section {
    background: var(--glass-surface);
    padding: 25px;
    border-radius: 20px;
    margin-bottom: 30px;
    height: 400px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.chart-box {
    height: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px dashed var(--glass-border);
    border-radius: 15px;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
}

/* ======================================================= */
/* 5. TABLES (CLEAN DARK)                                  */
/* ======================================================= */
.table-section {
    background: var(--glass-surface);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
}

.table-header { margin-bottom: 25px; display: flex; justify-content: space-between; align-items: center;}
.table-header h3 { font-size: 18px; }

/* Tombol Tambah (Gradient) */
.btn-tambah {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    box-shadow: 0 5px 15px var(--primary-glow);
    transition: 0.3s;
}
.btn-tambah:hover { transform: scale(1.05); filter: brightness(1.1); }

table { width: 100%; border-collapse: separate; border-spacing: 0 10px; }

th {
    text-align: left;
    padding: 15px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

td {
    background: rgba(255,255,255,0.02);
    padding: 20px 15px;
    color: var(--text-white);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}
td:first-child { border-left: 1px solid var(--glass-border); border-radius: 10px 0 0 10px; }
td:last-child { border-right: 1px solid var(--glass-border); border-radius: 0 10px 10px 0; }

tr:hover td { background: rgba(255,255,255,0.05); }

/* Badges */
.badge { padding: 6px 15px; border-radius: 30px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }


/* ======================================================= */
/* 6. MODAL (POPUP) - FIX TENGAH & GLASS EFFECT            */
/* ======================================================= */

/* Container Full Layar */
.modal, .modal-backdrop {
    display: none; /* Sembunyi default */
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.7); /* Background Gelap */
    backdrop-filter: blur(8px); /* Efek Blur */
    
    /* INI KUNCI AGAR TENGAH */
    align-items: center;
    justify-content: center;
}

/* Box Modal */
.modal-content, .modal-glass {
    background: #1e293b;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    color: white;
    width: 90%;
    max-width: 500px;
    margin: 0; /* Hapus margin auto supaya flexbox bekerja */
    position: relative;
    animation: zoomIn 0.3s ease-out forwards;
}

/* Animasi Muncul */
@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    background: linear-gradient(to right, rgba(59, 130, 246, 0.1), transparent);
    border-bottom: 1px solid var(--glass-border);
    padding: 25px;
    border-radius: 20px 20px 0 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-icon {
    width: 40px; height: 40px; 
    background: var(--primary); 
    border-radius: 50%; 
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}

.modal-body { padding: 30px; }

/* Detail Styling */
.info-group { margin-bottom: 15px; }
.info-group h3 { color: var(--primary); border-bottom: 1px solid var(--glass-border); font-size: 12px; letter-spacing: 1px; margin-bottom: 8px; }
.info-group p { color: #cbd5e1; font-size: 14px; margin-bottom: 5px; }
.info-group strong { color: white; }

.modal-body-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.full-width { grid-column: span 2; }

.quota-box {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
}

/* Tombol Close Bulat di Pojok */
.close-btn-round {
    position: absolute;
    top: 15px; right: 15px;
    width: 32px; height: 32px;
    background: rgba(255,255,255,0.1);
    border: none; border-radius: 50%;
    color: white; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: 0.2s;
    z-index: 10;
}
.close-btn-round:hover { background: var(--danger); transform: rotate(90deg); }


/* ======================================================= */
/* 7. BOOKING WIZARD & SLOTS                               */
/* ======================================================= */
.btn-visit {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    color: white;
    transition: 0.3s;
}
.btn-visit:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateX(5px);
}
.btn-visit small { color: #94a3b8; }
.btn-visit:hover small { color: #e2e8f0; }

/* Calendar Grid */
.calendar-header div { color: var(--text-muted); font-size: 11px; }
.tgl-box { color: white; border-radius: 8px; }
.tgl-box:hover:not(.bg-empty) { background: rgba(255,255,255,0.1); }

.bg-blue { background: var(--primary); box-shadow: 0 0 10px var(--primary-glow); border: none; }
.bg-yellow { background: var(--gold); color: #000; box-shadow: 0 0 10px rgba(251, 191, 36, 0.4); }
.bg-grey { background: #334155; color: #64748b; }

/* Slot Monitor Cards */
.slot-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    text-align: center;
    padding: 10px;
}
.slot-item strong { color: white; font-size: 16px; display: block; }
.slot-item small { font-size: 11px; color: #94a3b8; }

/* Slot Types */
.slot-available { border-color: var(--primary); background: rgba(59, 130, 246, 0.1); }
.slot-available strong { color: var(--primary); }

.slot-full { border-color: var(--danger); background: rgba(239, 68, 68, 0.1); opacity: 0.7; }
.slot-full strong { color: var(--danger); }

/* Tombol Back */
.btn-back { color: var(--text-muted); font-weight: 500; font-size: 14px; }
.btn-back:hover { color: white; }

/* Responsive Mobile */
@media (max-width: 768px) {
    .sidebar { position: fixed; left: -260px; height: 100vh; }
    .sidebar.active { left: 0; }
    .main-content { margin-left: 0; padding: 15px; }
    .cards-grid { grid-template-columns: 1fr; }
}