:root {
    --primary: #ff8c00;
    --primary-light: #ffeb3b;
    --dark: #333333;
    --light: #FFFFFF;
    --gray: #f5f5f5;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background-color: var(--primary);
    color: var(--light);
    padding: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 10px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

nav ul li a:hover {
    opacity: 0.8;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* Input Section */
.input-section {
    background-color: var(--gray);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    animation: fadeInLeft 0.8s ease-out;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 165, 0, 0.2);
    outline: none;
}

/* Radio Button Group */
.radio-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 576px) {
    .radio-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

.radio-item {
    background-color: var(--light);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.radio-item:hover {
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
}

.radio-item.active {
    border-color: var(--primary);
    background-color: rgba(255, 165, 0, 0.05);
}

.radio-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.radio-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Style Settings */
.style-settings {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow);
}

.style-settings h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
}

.color-picker {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.color-picker label {
    flex: 1;
    margin-bottom: 0;
}

.color-picker input[type="color"] {
    width: 50px;
    height: 40px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.slider-group {
    margin-bottom: 1rem;
}

.slider-group label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
}

.slider-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

/* Preview Section */
.preview-section {
    display: flex;
    flex-direction: column;
    animation: fadeInRight 0.8s ease-out;
}

.preview-container {
    width: 500px;         /* fixed width, or use your preferred px value */
    height: 300px;        /* fixed height */
    min-width: 350px;
    max-width: 100vw;
    min-height: 300px;
    max-height: 300px;
    background-color: var(--light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    padding: 0;
}

@media (max-width: 400px) {
    .preview-container {
        width: 98vw;
        min-width: unset;
    }
}

.barcode-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

#barcode-preview {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    display: block;
    margin: 0 auto;
    object-fit: contain;
}

.barcode-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Recent Barcodes Section */
.recent-barcodes {
    margin-top: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.recent-barcodes h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.recent-barcodes h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary);
}

.barcode-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.barcode-item {
    background-color: var(--gray);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.barcode-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.barcode-mini {
    height: 60px;
    background-color: var(--light);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.barcode-mini::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(90deg,
            #000,
            #000 2px,
            transparent 2px,
            transparent 6px);
    opacity: 0.5;
}

.barcode-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.barcode-type {
    font-weight: 500;
}

.barcode-date {
    font-size: 0.8rem;
    color: #777;
}

.clear-history {
    margin-top: 1.5rem;
    text-align: center;
}

.clear-btn {
    padding: 0.8rem 2rem;
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.clear-btn:hover {
    background-color: var(--primary);
    color: var(--light);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

.footer-text {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .radio-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .radio-group {
        grid-template-columns: 1fr;
    }
}

.ps-min-header {
    width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
    background: #fff;
    box-shadow: 0 2px 12px #f7f7f7;
    border-bottom: 2px solid #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 50px 20px 50px;
    min-height: 68px;
    font-family: 'Montserrat', Arial, sans-serif;
}

.container {
    margin-top: 90px;
    /* adjust as per your header height */
    width: 95%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    /* ...your other styles... */
}

@media (max-width: 600px) {
    .ps-min-header {
        flex-direction: column;
        gap: 10px;
        padding: 16px 10px;
        align-items: center;
    }

    .container {
        margin-top: 120px;
        /* more margin if header stacks on small screens */
    }
}


.ps-min-header .ps-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 16px;
}

.ps-min-header .ps-logo img {
    height: 48px;
    width: auto;
    display: block;
}

.ps-min-header .ps-brand {
    font-weight: 700;
    font-size: 1.45rem;
    color: #222;
    letter-spacing: 0.5px;
    text-transform: none;
}

.ps-min-header .ps-back-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    color: #e58b2e;
    font-size: 1.1rem;
    font-family: inherit;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 20px 10px 18px;
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.14s;
    position: relative;
    outline: none;
}

.ps-min-header .ps-back-btn:hover,
.ps-min-header .ps-back-btn:focus {
    background: #fff4ea;
}

.ps-min-header .ps-arrow {
    display: inline-block;
    transition: width 0.25s cubic-bezier(.67, .13, .1, 1.22);
    width: 18px;
    margin-right: 1px;
    height: 18px;
}

.ps-min-header .ps-back-btn:hover .ps-arrow,
.ps-min-header .ps-back-btn:focus .ps-arrow {
    width: 28px;
}

@media (max-width: 600px) {
    .ps-min-header {
        flex-direction: column;
        gap: 10px;
        padding: 16px 10px;
        align-items: center;
    }

    .ps-back-btn {
        display: none !important;
    }
}

.barcode-name-area {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 18px 0 0 0;
    padding: 10px 20px 0 20px;
    border-top: 1px solid #f3f3f3;
    width: 500px;
    max-width: 100vw;
}

.barcode-name-area label {
    font-size: 1.01rem;
    color: #444;
    font-weight: 500;
    margin-bottom: 4px;
    letter-spacing: 0.01em;
}

.barcode-name-area input[type="text"] {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid #e2e2e2;
    border-radius: 7px;
    font-size: 1rem;
    color: #333;
    background: #fafbfc;
    font-family: inherit;
    transition: border-color 0.18s, box-shadow 0.18s;
}

.barcode-name-area input[type="text"]:focus {
    border-color: var(--primary, #ff8c00);
    outline: none;
    box-shadow: 0 0 0 2px rgba(255,140,0,0.06);
}

.barcode-name-hint {
    font-size: 0.91rem;
    color: #bbb;
    margin-top: 3px;
    font-weight: 400;
}

.download-buttons {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin: 32px 0 10px 10px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 0.7em;
    padding: 0.85em 1.6em;
    border-radius: 1.4em;
    border: none;
    font-weight: 600;
    font-size: 1.12em;
    letter-spacing: 0.01em;
    background: var(--gray, #f4f4f4);
    color: var(--dark, #222);
    box-shadow: 0 2px 10px 0 rgba(80,80,80,0.08);
    transition: 
        background 0.2s, 
        color 0.2s, 
        box-shadow 0.2s, 
        transform 0.12s;
    cursor: pointer;
    min-width: 90px;
    justify-content: center;
}

.download-btn.secondary {
    background: var(--gray, #f4f4f4);
    color: var(--dark, #222);
}

.download-btn.secondary:enabled:hover, 
.download-btn.secondary:enabled:focus {
    background: #fff7ec;
    color: #ff7400;
    box-shadow: 0 4px 16px 0 rgba(255,116,0,0.15);
    transform: translateY(-2px) scale(1.03);
}

.download-btn.secondary:disabled, 
.download-btn.secondary[disabled] {
    background: #f4f4f4;
    color: #bbb;
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: none;
    border: 1.2px dashed #eee;
    filter: grayscale(0.7);
    /* Optional: for icon dimming */
}

.download-btn i {
    font-size: 1.1em;
    margin-right: 0.3em;
    /* Center icon better */
}

@media (max-width: 600px) {
    .download-btn {
        width: 100%;
        min-width: 0;
        justify-content: center;
    }
}

.barcode-preview-stack {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 230px;
    margin-bottom: 24px;
}
.barcode-blur-bg {
    width: 430px;
    height: 170px;
    filter: blur(7px) brightness(0.92);
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    transition: filter 0.25s;
}
.barcode-preview-stack.barcode-active .barcode-blur-bg {
    filter: none;
}
.barcode-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.generate-btn-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    padding: 18px 44px;
    border-radius: 2rem;
    font-size: 1.3rem;
    background: linear-gradient(90deg, #ff9900 0%, #ff7400 100%);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
    border: none;
    outline: none;
    cursor: pointer;
    opacity: 1;
    pointer-events: auto;
    transition: box-shadow .17s, transform .14s, opacity 0.18s;
}
.barcode-preview-stack.barcode-active .generate-btn-over {
    opacity: 0;
    pointer-events: none;
}