/*
 * =================================================================
 * Gaya Dasar dan Tata Letak (General & Layout Styles)
 * =================================================================
 * Bagian ini mengatur gaya global seperti font, warna latar belakang,
 * dan tata letak utama halaman.
 */
body {
    font-family: 'Poppins', sans-serif;
    /* Menggunakan foto sebagai latar belakang */
    background: url('background-landscape.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #f0f0f0;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    transition: background-image 0.5s ease-in-out;
}

/* Media Query untuk orientasi potret */
@media (orientation: portrait) {
    body {
        background: url('background-portrait.jpg') no-repeat center center fixed;
        background-size: cover;
    }
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 30px auto;
    padding: 25px;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

h1, h2, h3 {
    color: #fff;
    font-weight: 600;
}
.subtitle {
    font-size: 0.9em;
    color: #8dfc0e;
    text-align: center;
    margin-top: -25px;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.2rem;
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.6rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
    margin-top: 30px;
}

/*
 * =================================================================
 * Gaya Tombol dan Tautan (Button & Link Styles)
 * =================================================================
 * Bagian ini mengatur tampilan semua tombol dan tautan di aplikasi.
 */
.tab-button, button {
    display: inline-block;
    padding: 12px 20px;
    margin: 5px;
    background-color: #f80b0b;
    color: #fff;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

.tab-button:hover, button:hover {
    background-color: #4ef103;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.tab-button:active, button:active {
    transform: translateY(0);
}

.tab-button.active {
    background-color: #004c99;
}

.import-button {
    display: inline-block;
    padding: 12px 20px;
    background-color: #28a745;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.import-button:hover {
    background-color: #218838;
}

/*
 * =================================================================
 * Gaya Input dan Form (Input & Form Styles)
 * =================================================================
 * Bagian ini mengatur tampilan kotak input dan select.
 */
input[type="number"], input[type="text"], select {
    padding: 10px;
    border: 1px solid #555;
    background-color: #333;
    color: #fff;
    border-radius: 8px;
    margin-right: 10px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus, select:focus {
    border-color: #00b7ff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.3);
}

/*
 * =================================================================
 * Gaya Kontrol Aplikasi (Application Control Styles)
 * =================================================================
 * Bagian ini mengatur tampilan panel kontrol seperti kontrol tangki,
 * tabel, dan file.
 */
.tank-controls, .table-controls, .file-controls, .calculator, .manual-calc-input {
    margin-top: 20px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tank-controls ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tank-controls li {
    background-color: rgba(0, 123, 255, 0.1);
    color: #fff;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.tank-controls li.active {
    background-color: #00ff2a;
    color: #0c0000;
}

/*
 * =================================================================
 * Gaya Tabel (Table Styles)
 * =================================================================
 * Bagian ini mengatur tampilan tabel data, dari header hingga isi sel.
 */
.table-container {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 400px;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #B8FF05;
}

thead {
    background-color: rgba(88, 17, 45, 0.979);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

tr:hover {
    background-color: rgba(36, 87, 163, 0.39);
}

/* Gaya untuk sel yang bisa diedit */
td[contenteditable="true"] {
    background-color: #222222b4;
    color: #15ff00;
    transition: background-color 0.2s;
}

td[contenteditable="true"]:focus {
    background-color: #333;
    outline: 2px solid #4a90e2;
}

.delete-row-btn {
    background-color: #e74c3c;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 1.2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.delete-row-btn:hover {
    background-color: #c0392b;
}

.delete-all-btn {
    background-color: #dc3545;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
}

.delete-all-btn:hover {
    background-color: #c82333;
}

/* Gaya untuk tombol edit dan hapus header */
.header-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 0.8rem;
    margin-left: 5px;
    cursor: pointer;
    transition: color 0.2s;
    /* Perbaikan: Membuat tombol header lebih padat */
    padding: 2px;
    line-height: 1;
}

.header-btn:hover {
    color: #4a90e2;
}

.delete-header-btn:hover {
    color: #e74c3c;
}

/*
 * =================================================================
 * Gaya Lain-lain (Miscellaneous Styles)
 * =================================================================
 * Bagian ini mencakup gaya untuk elemen selain yang disebutkan di atas,
 * seperti kalkulator dan garis pemisah (hr).
 */
.calculator p {
    font-size: 1.2rem;
    font-weight: 500;
    margin-top: 15px;
    color: #4a90e2;
}

hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: 20px 0;
}

.manual-inputs {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.manual-inputs h3 {
    width: 100%;
    margin-bottom: 5px;
}

.manual-calc-input input {
    width: calc(50% - 10px);
}

/* --- Dropdown buttons --- */
.dropdown { position: relative; display: inline-block; }
.dropdown-btn { min-width: 220px; }
.dropdown-menu {
  display: none;
  position: absolute;
  left: 0;
  top: 110%;
  min-width: 220px;
  background: rgba(0,0,0,0.85);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 6px;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  backdrop-filter: blur(2px);
}
.dropdown-menu a, .dropdown-menu label {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: #fff;
  text-decoration: none;
}
.dropdown-menu a:hover, .dropdown-menu label:hover {
  background: rgba(255,255,255,0.08);
}
.dropdown.open .dropdown-menu { display: block; }

.hidden-file { display: none; }


/* =================================================================
 * Gaya untuk Fitur Trim BARU (Hanya Tambahan)
 * ================================================================= */

/* Kontainer Tombol Pilihan Trim di index.html */
.trim-selection {
    text-align: center;
}

.trim-selection h3 {
    margin: 0 0 10px 0;
    color: #ffd700;
    font-size: 1.2rem;
}

.trim-buttons-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.trim-select-btn {
    padding: 10px 15px;
    background-color: #555; /* Default abu-abu */
    color: #fff;
    border: 1px solid #777;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
}

.trim-select-btn.active {
    background-color: #4a90e2; /* Biru saat aktif */
    border-color: #337ab7;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

.trim-select-btn:hover:not(.active) {
    background-color: #777;
}

.trim-manage-btn {
    margin-top: 15px;
    display: inline-block;
    width: auto;
    background-color: #38c172; /* Warna hijau untuk navigasi */
    padding: 10px 20px;
}

/* Gaya untuk Manajemen Trim di data.html */
.trim-management-area h2 {
    color: #ffd700;
}

.trim-management-list {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 10px;
}

#trim-list {
    list-style: none;
    padding: 0;
    margin-bottom: 15px;
}

#trim-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    border-left: 5px solid transparent;
    cursor: pointer;
    transition: background-color 0.2s, border-left 0.2s;
}

#trim-list li.active {
    background-color: rgba(74, 144, 226, 0.3); /* Latar belakang Trim aktif */
    border-left: 5px solid #4a90e2; /* Aksen Trim aktif */
}

#trim-list li:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.15);
}

.trim-actions {
    display: flex;
    gap: 8px;
}

.trim-actions .action-btn {
    margin: 0;
    padding: 5px 10px;
    font-size: 0.85rem;
    border-radius: 4px;
    background-color: #4a90e2;
}

.trim-actions .action-btn:hover {
    background-color: #337ab7;
}

.trim-actions .delete-btn {
    background-color: #dc3545;
}
.trim-actions .delete-btn:hover {
    background-color: #c82333;
}