/* ===================================================================
   1. VARIABLES & GLOBAL STYLES
   =================================================================== */

:root {
    --primary-color: #007BFF;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white-color: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    margin: 0;
    padding: 0; /* <-- TAMBAHKAN BARIS INI */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===================================================================
   2. LAYOUT STRUCTURE (HEADER, FOOTER, CONTAINER)
   =================================================================== */

.app-header {
    background-color: var(--dark-color);
    padding: 10px 30px;
    margin-bottom: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.app-header-inner {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.app-header .logo {
    height: 50px;
}

.app-footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    background-color: var(--dark-color);
    color: var(--light-color);
}

.app-footer p {
    margin: 0;
    font-size: 0.9em;
}

.container {
    max-width: 960px;
    margin: 20px auto;
    padding: 30px;
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    flex-grow: 1; /* Mendorong footer ke bawah */
}

/* ===================================================================
   3. TYPOGRAPHY
   =================================================================== */

h1, h2, h3 {
    color: var(--dark-color);
    margin-top: 0;
}

h1 {
    text-align: center;
    font-size: 30px;
}

h2 {
    text-align: center;
    
}

p {
    text-align: center;
    margin-bottom: 0;
}

.app-header h1 {
    font-size: 1.5em;
    margin: 0;
    color: var(--white-color);
}

hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 30px 0;
}

/* ===================================================================
   4. COMPONENTS (FORMS, BUTTONS, TABLES, MODALS)
   =================================================================== */

/* --- Forms --- */
form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
    font-weight: 600;
}

input[type="text"],
input[type="number"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

/* --- Buttons --- */
.btn-group {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 10px;
    font-size: 1em;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    color: var(--white-color);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
    opacity: 0.9;
}

.btn:active {
    transform: scale(0.98);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.85em;
    font-weight: 500;
}
.btn-xs {
    padding: 4px 8px;
    font-size: 0.8em;
    font-weight: 500;
    /* Memberi lebar minimum agar tombol 'Edit' tidak terlalu kecil */
    min-width: 50px; 
}

/* Mengatur jarak antar tombol di dalam tabel agar lebih rapat */
td .btn-group {
    gap: 5px;
    margin-top: 0;
}

.btn-primary { background-color: var(--primary-color); }
.btn-success { background-color: var(--success-color); }
.btn-danger { background-color: var(--danger-color); }
.btn-warning { background-color: var(--warning-color); color: var(--dark-color); }
.btn-secondary { background-color: var(--secondary-color); }

button.btn {
    width: 100%;
}

/* --- Tables --- */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

thead th {
    background-color: var(--light-color);
    font-weight: 600;
}

tbody tr:hover {
    background-color: #f1f1f1;
}

/* BARU: Wadah untuk membuat tabel bisa di-scroll horizontal */
.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* Scroll lebih mulus di iOS */
}

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 30px;
    border: 1px solid #888;
    width: 80%;
    max-width: 800px;
    border-radius: var(--border-radius);
    position: relative;
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover, .close-btn:focus {
    color: black;
}

/* ===================================================================
   5. PAGE-SPECIFIC STYLES
   =================================================================== */
   
#hasil-produk {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    min-height: 120px;
    background-color: var(--light-color);
}

#hasil-produk .harga {
    font-size: 2em;
    font-weight: bold;
    color: var(--success-color);
}

/* ===================================================================
   6. PAGE-SPECIFIC OVERRIDES LOGIN (Tambahan)
   =================================================================== */

.login-page {
    /* Path ke gambar. Tanda ../ berarti "keluar dari folder css" lalu masuk ke folder img */
    background-image: url('../img/yapera.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    /* Memindahkan style untuk centering dari login.html ke sini */
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-page .container {
    /* Memberi sedikit transparansi agar background terlihat */
    background-color: rgba(255, 255, 255, 1);
}

.login-page .container {
    padding-top: 40px;
    padding-bottom: 40px;
}

/* Membuat logo berada di tengah */
.login-logo {
    display: block;
    margin: 0 auto 20px auto; /* auto di kiri-kanan membuatnya ke tengah */
    height: 150px; /* Sesuaikan ukurannya jika perlu */
    width: 220px;
}

.login-container h1 {
    font-size: 1.8em;
    margin-bottom: 5px;
}

.login-container h2 {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--dark-color);
    text-align: center;
    margin-top: 0;
    margin-bottom: 5px;
}

.login-container .login-subtitle {
    font-size: 1.1em;
    font-weight: 400;
    color: var(--secondary-color);
    text-align: center;
    margin-top: 0;
    margin-bottom: 30px;
}

.login-footer-text {
    text-align: center;
    margin-top: 30px;
    font-size: 0.8em;
    color: var(--secondary-color);
}

.login-footer-text p {
    margin: 2px 0;
}

/* ===================================================================
   7. Table Enhancements (Tambahan)
   =================================================================== */

/* Style untuk perataan teks ke kanan */
.text-right {
    text-align: right;
}

/* Warna latar belakang selang-seling untuk baris di tbody */
tbody tr:nth-child(even) {
    background-color: #f9f9f9; /* atau var(--light-color) */
}

/* Sedikit penyesuaian pada header tabel */
thead th {
    border-bottom-width: 2px;
}

/* ===================================================================
   8. Pagination Component (Tambahan)
   =================================================================== */

.pagination {
    display: flex;
    justify-content: center;
    padding-left: 0;
    list-style: none;
    margin-top: 30px;
}

.page-item .page-link {
    position: relative;
    display: block;
    padding: .5rem .75rem;
    margin-left: -1px;
    line-height: 1.25;
    color: var(--primary-color);
    background-color: #fff;
    border: 1px solid #dee2e6;
    cursor: pointer;
    user-select: none;
}

.page-item:first-child .page-link {
    margin-left: 0;
    border-top-left-radius: .25rem;
    border-bottom-left-radius: .25rem;
}

.page-item:last-child .page-link {
    border-top-right-radius: .25rem;
    border-bottom-right-radius: .25rem;
}

.page-item.active .page-link {
    z-index: 3;
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-item.disabled .page-link {
    color: #6c757d;
    pointer-events: none;
    background-color: #fff;
    border-color: #dee2e6;
}

/* ===================================================================
   9. RESPONSIVE DESIGN (untuk Tablet & Mobile)
   =================================================================== */

@media (max-width: 768px) {

    /* --- Penyesuaian Layout Global --- */
    body {
        padding: 0; /* Hapus padding di body untuk mobile */
    }

    .container {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 15px;
        box-shadow: none;
        border-radius: 0;
    }

    /* --- Penyesuaian Header --- */
    .app-header {
        padding: 10px 30px;
        margin-bottom: 10px;
    }

    .app-header-inner {
        gap: 10px;
        max-width: 100%; /* <-- TAMBAHKAN INI */
        margin: 0;       /* <-- DAN TAMBAHKAN INI */
    }

    .app-header .logo {
        height: 40px; /* Perkecil logo */
    }

    .app-header h1 {
        font-size: 1.1em; /* Perkecil judul aplikasi */
    }

    /* --- Penyesuaian Tipografi --- */
    h1 {
        font-size: 1.8em;
    }

    /* --- Penyesuaian Tombol --- */
    .btn-group {
        flex-direction: column; /* Susun tombol ke bawah */
        gap: 10px;
    }

    .btn, button.btn {
        width: 100%; /* Buat tombol memenuhi lebar */
    }

    /* --- Penyesuaian Form --- */
    input[type="text"],
    input[type="number"],
    input[type="password"] {
        padding: 15px;
        font-size: 1.1em; /* Perbesar sedikit agar mudah di-tap */
    }

    /* --- Penyesuaian Info Transaksi di Halaman Detail --- */
    .info-transaksi {
        grid-template-columns: 1fr; /* Susun info ke bawah */
        gap: 0;
    }
}

/* ===================================================================
   9. Search Modal Component (Tambahan)
   =================================================================== */

#search-results {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #eee;
    margin-top: 15px;
}

.result-item {
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    transition: background-color 0.2s;
}

.result-item:hover {
    background-color: #f0f8ff;
}

.result-item .stok {
    font-size: 0.9em;
    color: var(--secondary-color);
}

/* ===================================================================
   10. Quantity Input Component (Tambahan dan Perbaikan Tampilan)
   =================================================================== */

.qty-control {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px; /* Memberi sedikit jarak antar elemen */
}

.qty-btn {
    width: 70px; /* Sedikit lebih lebar */
    height: 40px; /* Sedikit lebih tinggi */
    border: none; /* Hilangkan border default */
    background-color: var(--primary-color); /* Warna biru utama */
    color: white; /* Tulisan putih */
    font-size: 1.5em; /* Ukuran font lebih besar */
    font-weight: bold;
    cursor: pointer;
    border-radius: var(--border-radius); /* Menggunakan border-radius dari tema utama */
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    padding: 0;
    transition: background-color 0.2s ease; /* Efek transisi halus */
    box-shadow: var(--box-shadow); /* Tambahkan sedikit bayangan */
}

.qty-btn:hover {
    background-color: var(--dark-color); /* Warna sedikit gelap saat di-hover */
}

.qty-btn:active {
    background-color: var(--secondary-color); /* Warna saat ditekan */
    transform: translateY(1px); /* Efek tombol tertekan */
}

.qty-input {
    width: 70px; /* Sedikit lebih lebar untuk angka */
    text-align: center;
    border: 1px solid #ccc;
    border-radius: var(--border-radius); /* Menggunakan border-radius dari tema utama */
    padding: 8px 5px; /* Padding lebih nyaman */
    font-size: 1.2em; /* Ukuran font lebih besar */
    font-weight: 500;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1); /* Bayangan dalam untuk efek kedalaman */
}

/* Menghilangkan panah default pada input number */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type=number] {
  -moz-appearance: textfield;
}

/* ===================================================================
   11. Print Styles (Tambahan)
   =================================================================== */

@media print {
    body * {
        visibility: hidden;
    }
    #print-area, #print-area * {
        visibility: visible;
    }
    #print-area {
        position: absolute;
        left: 0;
        top: 0;
    }
}
/* ===================================================================
   (Contoh) 4.1. SIDEBAR HEADING COMPONENT
   =================================================================== */

.sidebar-heading {
    /* Menggunakan padding yang mirip dengan tombol Anda */
    padding: 10px 15px 5px; 
    font-size: 0.8em;
    font-weight: bold;
    text-transform: uppercase;
    /* [PENYESUAIAN] Menggunakan variable warna Anda */
    color: var(--secondary-color); 
    display: block;
    margin-top: 15px; /* Jarak antar grup menu */
}

/* Hapus margin atas untuk heading grup pertama */
.sidebar .btn-group .sidebar-heading:first-child {
    margin-top: 0;
}

/* (Opsional) Style untuk ikon jika Anda jadi memakainya */
.sidebar .btn i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}
/* ===================================================================
   13. UNIT SELECTION PAGE (TAMBAHAN KHUSUS)
   =================================================================== */

/* Container khusus untuk halaman pilih unit agar bisa di tengah */
.unit-selection-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 80vh; /* Agar vertikal di tengah */
}

/* Grid untuk menampung kartu-kartu */
.unit-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px; /* Jarak antar kartu */
    margin-top: 30px;
}

/* Desain Kartu Unit */
.unit-card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15); /* Bayangan lebih tebal agar elegan */
    width: 260px; /* Lebar kartu */
    padding: 40px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--dark-color);
    transition: all 0.3s ease;
    border-top: 5px solid transparent; /* Persiapan garis warna di atas */
    cursor: pointer;
    position: relative;
    top: 0;
}

/* Warna spesifik tiap unit saat diam */
.unit-card.card-bismen { border-top-color: var(--primary-color); }
.unit-card.card-teknik { border-top-color: var(--success-color); }
.unit-card.card-umum   { border-top-color: var(--warning-color); }

/* Efek saat mouse diarahkan (Hover) */
.unit-card:hover {
    transform: translateY(-10px); /* Naik sedikit */
    box-shadow: 0 15px 30px rgba(0,0,0,0.25);
}

/* Ikon di dalam kartu */
.unit-card i {
    font-size: 4em;
    margin-bottom: 20px;
    color: var(--secondary-color);
    transition: color 0.3s;
}

.unit-card:hover i {
    color: inherit; /* Ikut warna teks saat hover */
}

/* Judul Unit */
.unit-card h3 {
    margin: 10px 0 5px 0;
    font-size: 1.5em;
    font-weight: bold;
    color: var(--dark-color);
}

.unit-card p {
    color: var(--secondary-color);
    font-size: 0.9em;
}

/* Tombol Logout kecil di bawah */
.logout-link {
    margin-top: 40px;
    color: var(--white-color);
    text-decoration: none;
    background-color: rgba(0,0,0,0.5);
    padding: 10px 20px;
    border-radius: 50px;
    transition: background 0.3s;
}
.logout-link:hover {
    background-color: var(--danger-color);
}