:root {
    --primary: #6420AA;
    --primary-dark: #5a1d99;
    --secondary: #FF3EA5;
    --accent: #FF7ED4;
    --light-accent: #FFB5DA;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --warning: #f72585;
    
    /* Dark mode variables */
    --dark-bg: #121212;
    --dark-card: #1e1e1e;
    --dark-text: #f0f0f0;
    --dark-border: #333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7ff;
    color: var(--dark);
    line-height: 1.6;
    padding-top: 80px;
    transition: background 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
}

@media (max-width: 992px) {
    .container {
        grid-template-columns: 1fr;
    }
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.dark-mode header {
    background: var(--dark-card);
    border-bottom: 1px solid var(--dark-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo i {
    color: var(--primary);
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Tambahkan margin untuk tombol header */
.header-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #e53699;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.dark-mode .btn-outline {
    color: var(--dark-text);
    border-color: var(--dark-text);
}

.btn-outline:hover {
    background: rgba(100, 32, 170, 0.1);
}

.dark-mode .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-disabled {
    background: var(--gray-light);
    color: var(--gray);
    cursor: not-allowed;
}

.dark-mode .btn-disabled {
    background: #333;
    color: #999;
}

.btn-disabled:hover {
    transform: none;
    background: var(--gray-light);
}

.tagline {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
    grid-column: 1 / -1;
}

.dark-mode .tagline {
    color: #aaa;
}

.language-switcher {
    position: relative;
    margin-left: auto;
    margin-right: 1rem;
}

.language-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
    font-weight: 600;
}

.dark-mode .language-btn {
    color: var(--dark-text);
}

.language-btn img {
    width: 20px;
    height: 15px;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    display: none;
    z-index: 100;
    min-width: 120px;
}

.dark-mode .language-dropdown {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.language-dropdown.show {
    display: block;
}

.language-option {
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background 0.2s;
}

.language-option:hover {
    background: var(--gray-light);
}

.dark-mode .language-option:hover {
    background: #333;
}

.language-option img {
    width: 20px;
    height: 15px;
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    margin-bottom: 3rem;
    transition: background 0.3s ease;
}
.color-input-border {
border: 2px solid #ddd !important;
border-radius: 8px !important;
padding: 2px !important;
}

.dark-mode .color-input-border {
border-color: #555 !important;
}
.dark-mode .input-section {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.tab-buttons {
    display: flex;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.dark-mode .tab-buttons {
    border-bottom-color: var(--dark-border);
}

.tab-buttons::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray);
    position: relative;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.dark-mode .tab-btn {
    color: #aaa;
}

.tab-btn.active {
    color: var(--primary);
}

.dark-mode .tab-btn.active {
    color: var(--accent);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

.dark-mode .tab-btn.active::after {
    background: var(--accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.dark-mode label {
    color: var(--dark-text);
}

input[type="text"],
input[type="url"],
input[type="tel"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s ease;
    background: white;
    color: var(--dark);
}

.dark-mode input[type="text"],
.dark-mode input[type="url"],
.dark-mode input[type="tel"],
.dark-mode input[type="email"],
.dark-mode textarea,
.dark-mode select {
    background: #2d2d2d;
    color: var(--dark-text);
    border-color: var(--dark-border);
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(100, 32, 170, 0.2);
}

.dark-mode input[type="text"]:focus,
.dark-mode input[type="url"]:focus,
.dark-mode input[type="tel"]:focus,
.dark-mode input[type="email"]:focus,
.dark-mode textarea:focus,
.dark-mode select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 62, 165, 0.2);
}

.customize-tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.dark-mode .customize-tabs {
    border-bottom-color: var(--dark-border);
}

.customize-tabs::-webkit-scrollbar {
    display: none;
}

.customize-tab-btn {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray);
    position: relative;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.dark-mode .customize-tab-btn {
    color: #aaa;
}

.customize-tab-btn.active {
    color: var(--primary);
}

.dark-mode .customize-tab-btn.active {
    color: var(--accent);
}

.customize-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

.dark-mode .customize-tab-btn.active::after {
    background: var(--accent);
}

.customize-tab-content {
    display: none;
}

.customize-tab-content.active {
    display: block;
}

.color-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(30px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.dark-mode .color-option {
    border-color: var(--dark-card);
}

.color-option.selected {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px var(--primary);
}

.dark-mode .color-option.selected {
    box-shadow: 0 0 0 2px var(--accent);
}

input[type="color"] {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.logo-presets {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.logo-preset {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    cursor: pointer;
    object-fit: contain;
    border: 2px solid var(--gray-light);
    transition: all 0.2s ease;
    padding: 5px;
    background: white;
}

.dark-mode .logo-preset {
    border-color: var(--dark-border);
    background: #2d2d2d;
}

.logo-preset:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.dark-mode .logo-preset:hover {
    border-color: var(--accent);
}

.logo-preset.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
}

.dark-mode .logo-preset.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent);
}

.remove-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--warning);
    border: 2px solid var(--gray-light);
}

.dark-mode .remove-logo {
    border-color: var(--dark-border);
}

.remove-logo i {
    font-size: 1.2rem;
}

.upload-logo-btn {
    width: 100%;
    padding: 0.75rem;
    background: white;
    border: 2px dashed var(--gray-light);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.dark-mode .upload-logo-btn {
    background: #2d2d2d;
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.upload-logo-btn:hover {
    border-color: var(--primary);
    background: rgba(100, 32, 170, 0.05);
}

.dark-mode .upload-logo-btn:hover {
    border-color: var(--accent);
    background: rgba(255, 62, 165, 0.1);
}

.upload-logo-btn i {
    color: var(--primary);
}

.dark-mode .upload-logo-btn i {
    color: var(--accent);
}

.upload-logo-btn input {
    display: none;
}

.logo-size-container {
    margin-top: 1.5rem;
}

.logo-size-slider {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--gray-light);
    -webkit-appearance: none;
}

.dark-mode input[type="range"] {
    background: #444;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

.dark-mode input[type="range"]::-webkit-slider-thumb {
    background: var(--accent);
}

.output-section {
    top: 100px;
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    margin-bottom: 3rem;
    transition: background 0.3s ease;
}

.dark-mode .output-section {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.qr-container {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-height: 300px;
    min-width: 300px;
    transition: background 0.3s ease;
    overflow: hidden;
}

.dark-mode .qr-container {
    background: #2d2d2d;
    border: 1px solid var(--dark-border);
}

#qrcode {
    width: 250px;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

/* Animasi scan line */
@keyframes scan {
    0% { 
        top: 0; 
        opacity: 1; 
    }
    50% { 
        top: 100%; 
        opacity: 0.8; 
    }
    100% { 
        top: 0; 
        opacity: 1; 
    }
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 62, 165, 0.7);
    box-shadow: 0 0 10px rgba(255, 62, 165, 0.9);
    z-index: 5;
    animation: scan 3s ease-in-out infinite;
    display: none;
    transform: translateY(-100%);
}

/* Efek highlight saat scanning */
.scan-highlight {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    z-index: 4;
    animation: highlight 3s ease-in-out infinite;
    display: none;
}

@keyframes highlight {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.5; }
}

/* Loading overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: 12px;
}

.dark-mode .loading-overlay {
    background: rgba(0,0,0,0.7);
}

.loader {
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

.dark-mode .loader {
    border-top-color: var(--accent);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animasi QR Code */
@keyframes qrPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.qr-animate {
    animation: qrPulse 0.5s ease;
}

/* Accordion Styles */
.accordion {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.dark-mode .accordion {
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.accordion-header {
    padding: 1rem;
    background: var(--gray-light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.dark-mode .accordion-header {
    background: #333;
    color: var(--dark-text);
}

.accordion-header:hover {
    background: #e2e2e2;
}

.dark-mode .accordion-header:hover {
    background: #444;
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: white;
}

.dark-mode .accordion-content {
    background: #2d2d2d;
}

.accordion-content.active {
    padding: 1rem;
    max-height: 500px;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-icon.active {
    transform: rotate(180deg);
}

.styling-option-group {
    margin-bottom: 1.5rem;
}

.styling-option-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.dark-mode .styling-option-title {
    color: var(--dark-text);
}

.styling-option-row {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.styling-option-label {
    width: 120px;
    font-size: 0.9rem;
}

.styling-option-control {
    flex: 1;
}

select.styling-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--gray-light);
    border-radius: 6px;
    background: white;
    color: var(--dark);
}

.dark-mode select.styling-select {
    background: #2d2d2d;
    color: var(--dark-text);
    border-color: var(--dark-border);
}

.shape-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.shape-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.shape-preview {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    cursor: pointer;
    border: 2px solid var(--gray-light);
    transition: all 0.2s ease;
}

.dark-mode .shape-preview {
    border-color: var(--dark-border);
}

.shape-preview.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
    transform: scale(1.05);
}

.dark-mode .shape-preview.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent);
}

.shape-square {
    border-radius: 0;
}

.shape-circle {
    border-radius: 50%;
}

.shape-rounded {
    border-radius: 15%;
}

.shape-dots {
    background: 
        radial-gradient(circle at 30% 30%, var(--primary) 20%, transparent 20%),
        radial-gradient(circle at 70% 30%, var(--primary) 20%, transparent 20%),
        radial-gradient(circle at 30% 70%, var(--primary) 20%, transparent 20%),
        radial-gradient(circle at 70% 70%, var(--primary) 20%, transparent 20%);
    background-size: 50% 50%;
}

.dark-mode .shape-dots {
    background: 
        radial-gradient(circle at 30% 30%, var(--accent) 20%, transparent 20%),
        radial-gradient(circle at 70% 30%, var(--accent) 20%, transparent 20%),
        radial-gradient(circle at 30% 70%, var(--accent) 20%, transparent 20%),
        radial-gradient(circle at 70% 70%, var(--accent) 20%, transparent 20%);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.dark-mode input:checked + .toggle-slider {
    background-color: var(--accent);
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.toggle-label {
    font-size: 0.9rem;
    font-weight: 500;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    grid-column: 1 / -1;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode .feature-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.dark-mode .feature-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.dark-mode .feature-title {
    color: var(--dark-text);
}

.feature-desc {
    color: var(--gray);
    font-size: 0.95rem;
}

.dark-mode .feature-desc {
    color: #aaa;
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--gray);
    font-size: 0.9rem;
    border-top: 1px solid var(--gray-light);
    background: white;
    grid-column: 1 / -1;
    transition: all 0.3s ease;
}

.dark-mode footer {
    background: var(--dark-card);
    border-top: 1px solid var(--dark-border);
    color: #aaa;
}

.download-options {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.download-options .btn {
    flex: 1;
    min-width: 100px;
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }

    .container {
        padding: 1rem;
    }

    header {
        padding: 0.75rem 1rem;
    }

    .logo h1 {
        font-size: 1.3rem;
    }

    .logo i {
        font-size: 1.5rem;
    }

    .download-options {
        flex-direction: column;
    }
    
    .download-options .btn {
        width: 100%;
    }

    /* Mobile layout improvements */
    .tab-buttons {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .tab-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .qr-container {
        min-width: 250px;
        min-height: 250px;
    }
    
    #qrcode {
        width: 200px;
        height: 200px;
    }
    
    .accordion-header {
        padding: 0.75rem;
    }
    
    .logo-presets {
        gap: 0.5rem;
    }
    
    .logo-preset {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    /* Layout satu kolom */
    .container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    /* Header lebih compact */
    header {
        padding: 0.5rem 1rem;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    /* Tombol lebih besar */
    .btn {
        padding: 0.6rem 1rem;
    }

    /* Shape options grid */
    .shape-options {
        grid-template-columns: repeat(2, 1fr);
    }
}