/* Professional Corporate Theme - Light Aesthetic */
:root {
    --bg-color: #F8FAFC;
    --surface-color: #FFFFFF;
    --surface-card: #FFFFFF;
    --surface-input: #F8FAFC;
    --border-color: #E2E8F0;
    --border-focus: #0D9488; /* Corporate Teal */
    
    --text-primary: #0F172A; /* Deep Navy */
    --text-secondary: #475569; /* Slate Gray */
    --text-muted: #94A3B8;
    
    --accent-color: #0D9488; /* Corporate Teal */
    --accent-hover: #0F766E;
    --accent-glow: rgba(13, 148, 136, 0.08);
    
    --success-color: #0D9488;
    --error-color: #DC2626;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.05), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    line-height: 1.5;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.025em;
}

p {
    color: var(--text-secondary);
}

/* Navigation Header */
.store-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.dtex-brand-img {
    height: 32px;
    width: auto;
    display: block;
}

.header-divider {
    color: var(--border-color);
    font-size: 18px;
    font-weight: 300;
}

.partner-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--accent-color);
}

.cart-status {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    color: inherit;
}

.cart-status:hover {
    border-color: var(--accent-color);
    background-color: var(--accent-glow);
}

.cart-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.cart-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.cart-status:hover .cart-icon {
    color: var(--accent-color);
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-color);
    color: var(--surface-color);
    font-size: 10px;
    font-weight: 700;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-text {
    font-size: 13px;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-family: var(--font-family);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--surface-color);
    box-shadow: 0 1px 2px rgba(13, 148, 136, 0.05);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-color);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 16px;
    height: 16px;
}

.btn:disabled, .btn.disabled {
    background-color: var(--border-color) !important;
    color: var(--text-muted) !important;
    border-color: var(--border-color) !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

/* Form Inputs */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    text-align: left;
}

.input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.input-wrapper input,
.input-group input {
    width: 100%;
    background-color: var(--surface-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    font-size: 14px;
    border-radius: 6px;
    transition: var(--transition-smooth);
    font-family: var(--font-family);
}

.input-wrapper input {
    padding-left: 40px;
}

.input-wrapper input:focus,
.input-group input:focus {
    outline: none;
    border-color: var(--border-focus);
    background-color: var(--surface-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.error-message {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 4px;
    display: none;
    font-weight: 500;
}

/* Modals & Overlays */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.45); /* Transparent grey-blue */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 440px;
    padding: 36px;
    box-shadow: var(--shadow-lg), 0 20px 25px -5px rgba(0,0,0,0.05);
    text-align: center;
}

.modal-header {
    margin-bottom: 20px;
}

.portal-tag {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.modal-card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.modal-card p {
    color: var(--text-secondary);
    font-size: 13.5px;
    line-height: 1.5;
    margin-bottom: 24px;
}

.modal-footer {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 11.5px;
    color: var(--text-muted);
}

.modal-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Store Blurred Overlay effect */
#store-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.store-blurred {
    filter: blur(6px);
    pointer-events: none;
    user-select: none;
}

body.authenticated .store-blurred {
    filter: none;
    pointer-events: auto;
    user-select: auto;
}

body.authenticated .modal-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Main Layout Structure */
.store-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px 24px;
    flex-grow: 1;
    width: 100%;
}

/* Page Intro Header */
.page-header {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}

.page-header p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.voucher-badge {
    background-color: var(--accent-glow);
    border: 1px solid rgba(13, 148, 136, 0.2);
    color: var(--accent-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

/* Products Directory Layout */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.product-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.product-image-container {
    background-color: #F8FAFC;
    position: relative;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.product-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: var(--transition-smooth);
}

.product-card:hover .product-img {
    transform: scale(1.03);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.product-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.product-desc {
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 16px;
    flex-grow: 1;
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.price-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-color);
}

.original-price {
    font-size: 11px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.action-text {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Detail Page Layout */
.detail-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 60px;
    align-items: start;
}

.detail-image-box {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1.1;
    box-shadow: var(--shadow-sm);
    width: 100%;
}

.detail-main-img-wrapper {
    width: 100%;
    height: 100%;
    max-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
    border-radius: 8px;
}

.detail-main-img {
    width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.1s ease-out;
}

.thumbnail-row {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    justify-content: center;
    width: 100%;
}

.thumbnail-img {
    width: 60px;
    height: 60px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    object-fit: contain;
    padding: 6px;
    background-color: var(--bg-color);
    transition: var(--transition-smooth);
}

.thumbnail-img:hover, .thumbnail-img.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.detail-info-box {
    display: flex;
    flex-direction: column;
}

.category-tag {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.detail-info-box h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.detail-pricing {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 24px;
}

.detail-price {
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-color);
}

.detail-original {
    font-size: 15px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.detail-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 28px;
}

/* Options selectors */
.detail-options {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-bottom: 24px;
}

.option-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 10px;
}

.size-grid {
    display: flex;
    gap: 8px;
}

.size-btn {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    width: 44px;
    height: 44px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.size-btn:hover:not(.disabled) {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.size-btn.active {
    background-color: var(--text-primary);
    color: var(--surface-color);
    border-color: var(--text-primary);
}

.size-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-color);
}

/* Corporate Size Chart */
.size-chart-link {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    transition: var(--transition-smooth);
}

.size-chart-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.size-chart-table-container {
    margin-top: 14px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    display: none; /* Collapsed by default */
}

.size-chart-table-container.active {
    display: block;
}

.size-chart-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
    text-align: left;
}

.size-chart-table th {
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding: 6px 12px 6px 0;
}

.size-chart-table td {
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 12px 8px 0;
}

.size-chart-table tr:last-child td {
    border-bottom: none;
}

.detail-actions {
    display: flex;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

/* Multi-Page Checkout Layout */
.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 40px;
    align-items: start;
}

.checkout-section-card {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.checkout-section-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.checkout-section-card h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 12px;
    margin-top: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .input-group {
    flex: 1;
}

.field-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Checkout Sidebar (Cart Items Panel) */
.checkout-summary-box {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.summary-cart-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 16px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 14px;
    gap: 12px;
}

.summary-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.summary-item-details {
    display: flex;
    flex-direction: column;
}

.summary-item-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-item-size {
    font-size: 11px;
    color: var(--accent-color);
    font-weight: 500;
    margin-top: 2px;
}

.summary-item-action {
    display: flex;
    align-items: center;
    gap: 10px;
}

.remove-item-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.remove-item-btn:hover {
    color: var(--error-color);
    background-color: #FEF2F2;
}

.remove-item-btn svg {
    width: 14px;
    height: 14px;
    pointer-events: none;
}

.summary-total-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 14px;
    font-weight: 600;
}

.summary-price-total {
    font-size: 18px;
    font-weight: 800;
    color: var(--accent-color);
}

.empty-checkout-notice {
    text-align: center;
    padding: 32px 0;
}

.empty-checkout-notice p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

/* Success Confirmation Screen Layout */
.success-container {
    max-width: 600px;
    margin: 40px auto 80px auto;
}

.success-card {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 48px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-icon-wrapper {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.checkmark-circle {
    width: 64px;
    height: 64px;
    background-color: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.checkmark-circle svg {
    width: 32px;
    height: 32px;
}

.success-card h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
}

.success-lead-text {
    color: var(--accent-color);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.success-sub {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 32px;
}

/* Formal Invoice Receipt */
.invoice-box {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 24px;
    text-align: left;
    margin-bottom: 32px;
}

.invoice-header {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
}

.invoice-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.invoice-item {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.invoice-item-name {
    font-weight: 500;
    color: var(--text-primary);
}

.invoice-item-size {
    color: var(--text-secondary);
}

.invoice-line {
    display: flex;
    justify-content: space-between;
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 10px;
}

.invoice-line:last-child {
    margin-bottom: 0;
}

.invoice-total-text {
    color: var(--accent-color);
    font-weight: 700;
}

.analytics-tag {
    font-size: 11px;
    color: var(--text-muted);
    font-family: monospace;
    background-color: rgba(0, 0, 0, 0.03);
    padding: 4px 8px;
    border-radius: 4px;
    word-break: break-all;
}

/* Custom Toast Notification */
.toast-msg {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background-color: var(--text-primary);
    color: var(--surface-color);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 13.5px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast-msg.active {
    transform: translateY(0);
    opacity: 1;
}

/* Footer style */
.store-footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--surface-color);
    padding: 24px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: auto;
}

.store-footer p {
    color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 960px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .detail-image-box {
        max-width: 460px;
        margin: 0 auto;
    }
    .checkout-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .modal-card {
        padding: 24px;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}