:root {
    --bg-light: #f1f5f9;
    --panel-bg: #ffffff;
    --border-color: #cbd5e1;
    --primary: #7c3aed;
    --primary-hover: #6d28d9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --input-bg: #f8fafc;
    --input-border: #cbd5e1;
    --chip-bg: #f1f5f9;
    --chip-border: #cbd5e1;
    --chip-color: #334155;
    --soft-bg: #f8fafc;
    --soft-border: #e2e8f0;
    --shadow-soft: rgba(15, 23, 42, 0.08);
    --track-bg: #e2e8f0;
    --danger: #ef4444;
}

/* Tema Gelap */
body.dark {
    --bg-light: #0b1120;
    --panel-bg: #1e293b;
    --border-color: #334155;
    --primary: #a78bfa;
    --primary-hover: #8b5cf6;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --input-bg: #0f172a;
    --input-border: #334155;
    --chip-bg: #334155;
    --chip-border: #475569;
    --chip-color: #e2e8f0;
    --soft-bg: #0f172a;
    --soft-border: #334155;
    --shadow-soft: rgba(0, 0, 0, 0.45);
    --track-bg: #334155;
    --danger: #f87171;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    margin: 0;
    padding: 2rem 1rem;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(124, 58, 237, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(124, 58, 237, 0.04) 0%, transparent 40%);
}

.app-wrapper {
    width: 100%;
    max-width: 1200px;
}

.app-header {
    text-align: center;
    margin-bottom: 2.5rem;
    user-select: none; /* Mencegah teks judul terblok saat kursor terseret */
    -webkit-user-select: none;
}

.app-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

body.dark .app-header h1 {
    background: linear-gradient(135deg, #a78bfa 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.main-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 1.5rem;
}

@media(max-width: 950px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08), 
                0 0 15px rgba(124, 58, 237, 0.03);
    box-sizing: border-box;
}

/* Panel Preview Kanan (Ditarik rapat ke atas) */
.preview-panel {
    display: flex;
    flex-direction: column;
    justify-content: flex-start !important;
    padding: 1.25rem !important;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

input, select, textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.9rem;
    box-sizing: border-box;
    transition: all 0.25s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    background-color: var(--panel-bg);
}

textarea {
    resize: vertical;
    min-height: 90px;
}

.hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 8px;
    background: var(--soft-bg);
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--soft-border);
}

.checkbox-wrapper input[type="checkbox"] {
    width: auto;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-wrapper label {
    font-size: 0.75rem;
    cursor: pointer;
    color: #334155;
    font-weight: 600;
    line-height: 1.3;
    margin: 0 !important;
    text-transform: none;
    letter-spacing: normal;
}

.template-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.chip {
    background-color: var(--chip-bg);
    border: 1px solid var(--chip-border);
    color: var(--chip-color);
    padding: 0.45rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s ease;
    width: auto;
}

.chip:hover {
    background-color: rgba(124, 58, 237, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

button {
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    padding: 0.9rem 1.25rem;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: white;
    width: 100%;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6d28d9 0%, #5b21b6 100%);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-secondary {
    background-color: #059669;
    color: white;
    width: 100%;
    margin-top: 0.75rem;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

.btn-secondary:hover {
    background-color: #047857;
    transform: translateY(-1px);
}

/* Area Preview & Galeri */
.output-container {
    background-color: var(--input-bg);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    flex-grow: 1;
    min-height: 340px;
    max-height: 480px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    padding: 1rem;
    box-sizing: border-box;
    margin-bottom: 0.75rem;
}

.status-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    text-align: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    margin: auto;
}

.status-placeholder svg {
    opacity: 0.5;
    stroke: var(--primary);
}

.svg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    width: 100%;
    padding: 0.5rem;
    box-sizing: border-box;
}

/* Mode Latar Preview (Transparan / Terang / Gelap) */
.checkerboard-bg {
    background-color: #ffffff;
    background-image:
        linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
        linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
        linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    border-radius: 8px;
}

.white-bg {
    background-color: #ffffff;
    border-radius: 8px;
}

.dark-bg {
    background-color: #0f172a;
    border-radius: 8px;
}

/* Saat mode transparan/gelang aktif, kartu dibuat tembus pandang
   agar latar belakang terlihat di belakang SVG (untuk cek transparansi) */
.checkerboard-bg .svg-card,
.dark-bg .svg-card {
    background: transparent;
    border-color: rgba(124, 58, 237, 0.35);
}

.svg-card {
    background: var(--panel-bg);
    border: 1px solid var(--soft-border);
    border-radius: 12px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 130px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    transition: all 0.2s ease;
}

.svg-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.1);
    transform: translateY(-2px);
}

.svg-card svg {
    max-width: 100%;
    max-height: 110px;
    height: auto;
}

/* Tombol Aksi Kartu (grid 2x2: SVG / PNG / Copy / Kode) */
.svg-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    width: 100%;
    margin-top: 8px;
}

.svg-card-actions button {
    padding: 6px 0;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    color: white;
    transition: all 0.2s ease;
}

/* Tombol SVG Warna Hijau */
.svg-card-actions .btn-dl-svg {
    background-color: #10b981;
}
.svg-card-actions .btn-dl-svg:hover {
    background-color: #059669;
}

/* Tombol PNG Warna Biru */
.svg-card-actions .btn-dl-png {
    background-color: #2563eb;
}
.svg-card-actions .btn-dl-png:hover {
    background-color: #1d4ed8;
}

/* Tombol Copy Kode Warna Abu-abu */
.svg-card-actions .btn-copy {
    background-color: #64748b;
}
.svg-card-actions .btn-copy:hover {
    background-color: #475569;
}

/* Tombol Lihat Kode Warna Ungu */
.svg-card-actions .btn-view {
    background-color: #7c3aed;
}
.svg-card-actions .btn-view:hover {
    background-color: #6d28d9;
}

/* Badge Resolusi Aktif pada Kartu */
.resolution-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--primary);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

/* Animasi Pulse Loading Card */
.loading-pulse {
    background: linear-gradient(90deg, var(--soft-bg) 25%, var(--track-bg) 50%, var(--soft-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border: 1px dashed var(--primary);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.preview-header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding-bottom: 0;
    border-bottom: none;
}

.preview-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    background: var(--chip-bg);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    border: 1px solid var(--soft-border);
}

.toast-container {
    position: fixed !important;
    top: 25px !important;
    right: 25px !important;
    z-index: 99999 !important;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    min-width: 260px;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.toast.success { background-color: #10b981; }
.toast.error { background-color: #ef4444; }
.toast.info { background-color: #3b82f6; }
.toast.warning { background-color: #f59e0b; }

.hidden {
    display: none !important;
}

/* =================================================================
   CLASS BARU (dipindahkan dari inline style index.html)
   ================================================================= */

/* Header */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.75rem;
}

.back-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
}
.back-link:hover {
    text-decoration: underline;
}

.header-top-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle {
    background: var(--chip-bg);
    border: 1px solid var(--chip-border);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    transition: all 0.25s ease;
}
.theme-toggle:hover {
    transform: rotate(20deg) scale(1.08);
    border-color: var(--primary);
}

.user-info {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--chip-bg);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
}

/* Custom Endpoint Settings */
.custom-settings {
    background: rgba(124, 58, 237, 0.05);
    padding: 12px;
    border-radius: 8px;
    border: 1px dashed var(--border-color);
    margin-bottom: 1.25rem;
}
.custom-field {
    margin-bottom: 0.75rem;
}
.custom-field.last {
    margin-bottom: 0;
}
.custom-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 4px;
}
.custom-field input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    box-sizing: border-box;
}

/* Label template & prompt */
.template-label {
    text-transform: none;
    font-size: 0.75rem;
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    gap: 0.5rem;
}
.prompt-label {
    margin: 0 !important;
}

.btn-enhance {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    color: white;
    border: none;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
    transition: filter 0.2s ease;
}
.btn-enhance:hover {
    filter: brightness(1.12);
}
.btn-enhance:disabled {
    filter: grayscale(0.6);
    opacity: 0.7;
    cursor: wait;
}

/* Tombol berhenti (merah) */
.btn-stop {
    background-color: var(--danger);
    margin-top: 0.75rem;
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}
.btn-stop:hover {
    background-color: #dc2626;
    color: white;
}

/* Panel preview */
.preview-title {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 700;
}
.btn-clear {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    padding: 2px 4px;
}
.btn-clear:hover {
    text-decoration: underline;
}

.preview-controls-label {
    font-weight: 600;
    color: var(--text-muted);
}

/* Toggle Mode Latar Preview */
.bg-toggle-group {
    display: flex;
    gap: 4px;
}
.bg-btn {
    padding: 3px 10px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--panel-bg);
    color: var(--text-main);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.bg-btn:hover {
    border-color: var(--primary);
}
.bg-btn.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.25);
    font-weight: 700;
}
.bg-btn-dark {
    background: #0f172a;
    color: white;
}

/* Progress Bar */
.progress-wrap {
    width: 100%;
    max-width: 320px;
    text-align: center;
    margin: auto;
}
.progress-text {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}
.progress-track {
    width: 100%;
    background: var(--track-bg);
    border-radius: 99px;
    height: 8px;
    overflow: hidden;
}
.progress-bar {
    width: 0%;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    height: 100%;
    transition: width 0.3s ease;
}

/* Isi Kartu SVG */
.svg-preview-box {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 140px;
    padding: 10px;
    box-sizing: border-box;
}
.svg-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 6px;
    border-top: 1px solid var(--soft-border);
    padding-top: 6px;
}
.svg-card-name {
    display: flex;
    align-items: center;
    gap: 6px;
}
.svg-card-filename {
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* Color picker kecil pada kartu (override gaya input global) */
.card-color-picker {
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    cursor: pointer;
    background: none;
}

/* Label pada kartu loading */
.loading-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Kartu ketika generate gagal */
.svg-card.error-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    text-align: center;
    color: var(--danger);
    border: 1px dashed var(--danger);
    background: rgba(239, 68, 68, 0.06);
}
.error-card .err-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}
.error-card .err-title {
    font-size: 0.7rem;
    font-weight: bold;
}
.error-card .err-msg {
    font-size: 0.65rem;
    color: #991b1b;
    margin-top: 0.25rem;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =================================================================
   MODAL VIEWER KODE SVG
   ================================================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 99998;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(2px);
}
.modal {
    background: var(--panel-bg);
    border-radius: 16px;
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--soft-border);
}
.modal-title {
    font-weight: 700;
    font-size: 0.95rem;
}
.modal-close,
.modal-btn-copy {
    background: none;
    border: 1px solid var(--soft-border);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}
.modal-close:hover,
.modal-btn-copy:hover {
    color: var(--text-main);
    border-color: var(--primary);
}
.modal-body {
    padding: 1rem 1.25rem;
    overflow: auto;
}
.modal-filename {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    font-weight: 700;
}
.modal-body pre {
    background: var(--input-bg);
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    padding: 0.85rem;
    font-size: 0.75rem;
    overflow: auto;
    max-height: 50vh;
    color: var(--text-main);
    margin: 0;
}

/* =================================================================
   RESPONSIVE MOBILE
   ================================================================= */
@media (max-width: 640px) {
    body {
        padding: 1rem 0.5rem;
    }
    .panel {
        padding: 1.25rem;
        border-radius: 16px;
    }
    .app-header h1 {
        font-size: 1.6rem;
    }
    .preview-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.6rem;
    }
    .toast {
        min-width: unset;
        width: 100%;
    }
}
```[cite: 1]