/* ============================================
   Yes.cz RFQ Systém - Styles
   Barvy: Oranžová #FF6B35, Navy #1E3A5F
   ============================================ */

/* ============================================
   CSS Variables (Yes.cz Brand Colors)
   ============================================ */
:root {
    /* Yes.cz Brand Colors */
    --orange-primary: #FF6B35;
    --orange-hover: #E55A2B;
    --navy-dark: #1E3A5F;
    --blue-medium: #2B4C7E;
    --green-success: #10b981;
    --red-error: #ef4444;
    --gray-light-bg: #F8F9FA;
    --white: #FFFFFF;

    /* Text Colors */
    --text-primary: #1E3A5F;
    --text-secondary: #6B7280;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;

    /* Shadows */
    --shadow-small: 0 2px 8px rgba(30, 58, 95, 0.1);
    --shadow-medium: 0 4px 12px rgba(30, 58, 95, 0.15);
    --shadow-large: 0 8px 24px rgba(30, 58, 95, 0.2);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-h1: 36px;
    --font-size-h1-mobile: 28px;
    --font-size-h2: 24px;
    --font-size-h2-mobile: 20px;
    --font-size-body: 16px;
    --font-size-label: 14px;
    --font-size-input: 16px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-body);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gray-light-bg);
    min-height: 100vh;
}

/* ============================================
   Header
   ============================================ */
.header {
    background: var(--white);
    color: var(--navy-dark);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-small);
    border-bottom: 3px solid var(--orange-primary);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.contact-section {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--navy-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-link:hover {
    color: var(--orange-primary);
}


.contact-icon {
    font-size: 16px;
}

/* ============================================
   Language Switcher
   ============================================ */
.lang-switcher {
    display: inline-flex;
    gap: 2px;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 6px;
    overflow: hidden;
    background: var(--white, #fff);
}

.lang-btn {
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 10px;
    border: none;
    background: transparent;
    color: var(--navy-dark, #333);
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
    letter-spacing: 0.5px;
}

.lang-btn:hover {
    background: var(--bg-secondary, #f5f5f5);
}

.lang-btn.active {
    background: var(--orange-primary, #ff6b00);
    color: var(--white, #fff);
    cursor: default;
}

.lang-btn:focus-visible {
    outline: 2px solid var(--orange-primary, #ff6b00);
    outline-offset: 2px;
}

/* ============================================
   Main Content
   ============================================ */
.main {
    padding: var(--spacing-xl) var(--spacing-sm);
    min-height: calc(100vh - 80px);
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-error {
    background: var(--red-error);
    color: var(--white);
}

.alert-success {
    background: var(--green-success);
    color: var(--white);
    flex-wrap: wrap;
}

.alert-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-content strong {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
}

.alert-content p {
    font-size: 14px;
    margin: 0;
}

.alert-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   Form Card
   ============================================ */
.form-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-medium);
    border-top: 4px solid var(--orange-primary);
}

.form-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: var(--spacing-xs);
}

.form-subtitle {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Form Sections (fieldset)
   ============================================ */
.form-section {
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-section-title {
    font-size: var(--font-size-label);
    font-weight: 600;
    color: var(--orange-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 var(--spacing-xs);
}

/* ============================================
   Form Elements
   ============================================ */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group + .form-group {
    margin-top: var(--spacing-sm);
}

.form-section .form-group:first-of-type {
    margin-top: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-stack {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: var(--font-size-label);
    font-weight: 500;
    color: var(--text-primary);
    display: block;
}

.required {
    color: var(--orange-primary);
}

.form-group.field-error .required {
    color: var(--red-error);
}

.optional {
    color: var(--text-secondary);
    font-weight: 400;
}

.form-input {
    width: 100%;
    padding: 12px var(--spacing-sm);
    font-size: var(--font-size-input);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--white);
    border: 2px solid #E5E7EB;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    min-height: 44px; /* Touch-friendly */
}

.form-input:hover:not(:disabled):not([readonly]) {
    border-color: #D1D5DB;
}

.form-input:focus {
    outline: none;
    border-color: var(--orange-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-input:disabled {
    background: #F3F4F6;
    cursor: not-allowed;
    opacity: 0.6;
}

.form-input[readonly] {
    background: var(--gray-light-bg);
    border-color: var(--green-success);
    cursor: not-allowed;
    color: var(--text-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-textarea-large {
    min-height: 160px;
    line-height: 1.6;
}

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

.input-suffix {
    position: absolute;
    right: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    pointer-events: none;
}

.form-hint {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-hint-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-counter {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-helper {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--green-success);
    margin-top: 4px;
}

.helper-icon {
    font-weight: 700;
}

.form-error {
    font-size: 13px;
    color: var(--red-error);
    margin-top: 4px;
    display: none;
}

.form-error.active {
    display: block;
}

.form-input.input-error {
    border-color: var(--red-error) !important;
    box-shadow: 0 0 0 1px var(--red-error);
}

/* ============================================
   Searchable Dropdown (Brand Select)
   ============================================ */
.dropdown-wrapper {
    position: relative;
}

.dropdown-input {
    padding-right: 40px;
    cursor: text;
}

.dropdown-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: transform 0.2s;
}

.dropdown-wrapper.open .dropdown-arrow {
    transform: translateY(-50%) rotate(180deg);
}

.dropdown-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white);
    border: 2px solid var(--orange-primary);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    max-height: 240px;
    overflow-y: auto;
    list-style: none;
    display: none;
    box-shadow: var(--shadow-medium);
}

.dropdown-wrapper.open .dropdown-list {
    display: block;
}

.dropdown-list li {
    padding: 10px var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-input);
    color: var(--text-primary);
    transition: background 0.15s;
}

.dropdown-list li:hover,
.dropdown-list li.highlighted {
    background: rgba(255, 107, 53, 0.08);
    color: var(--orange-primary);
}

.dropdown-list li.selected {
    background: rgba(255, 107, 53, 0.15);
    font-weight: 600;
    color: var(--orange-primary);
}

.dropdown-list li mark {
    background: rgba(255, 107, 53, 0.25);
    color: inherit;
    border-radius: 2px;
    padding: 0 1px;
}

.dropdown-list .dropdown-empty {
    padding: 12px var(--spacing-sm);
    color: var(--text-secondary);
    font-style: italic;
    cursor: default;
    font-size: 14px;
}

.dropdown-loading {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.spinner-sm {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #E5E7EB;
    border-top-color: var(--orange-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px var(--spacing-lg);
    font-size: var(--font-size-body);
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    min-height: 44px; /* Touch-friendly */
    min-width: 120px;
}

.btn-sm {
    padding: 8px var(--spacing-sm);
    font-size: 14px;
    min-height: 36px;
    min-width: auto;
    white-space: nowrap;
}

.btn-primary {
    background: var(--orange-primary);
    color: var(--white);
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: var(--orange-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--white);
    color: var(--navy-dark);
    border: 2px solid var(--navy-dark);
}

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

.alert-success .btn-sm {
    background: var(--white);
    color: var(--green-success);
    font-weight: 600;
    flex-shrink: 0;
}

.alert-success .btn-sm:hover {
    background: rgba(255, 255, 255, 0.9);
}

.btn-loader {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-footer {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ============================================
   Success Page
   ============================================ */
.success-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-medium);
    border-top: 4px solid var(--green-success);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--green-success);
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: var(--spacing-xs);
}

.success-perex {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.info-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: var(--gray-light-bg);
    border-left: 4px solid var(--orange-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.info-box-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.info-box-content {
    flex: 1;
}

.info-box-content strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.info-box-email {
    font-size: var(--font-size-body);
    color: var(--orange-primary);
    font-weight: 600;
    margin: 0;
}

.process-steps {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.process-title {
    font-size: var(--font-size-h2);
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.step-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--orange-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.step-content {
    flex: 1;
}

.step-content strong {
    display: block;
    font-size: var(--font-size-body);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.success-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.success-actions .btn {
    flex: 1;
    min-width: 200px;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    :root {
        --font-size-h1: var(--font-size-h1-mobile);
        --font-size-h2: var(--font-size-h2-mobile);
    }

    .header-container {
        flex-direction: column;
        text-align: center;
    }

    .contact-section {
        justify-content: center;
    }

    .form-card {
        padding: var(--spacing-md);
    }

    .form-section {
        padding: var(--spacing-sm);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .success-card {
        padding: var(--spacing-md);
    }

    .success-actions {
        flex-direction: column;
    }

    .success-actions .btn {
        width: 100%;
        min-width: auto;
    }

    .alert-success {
        flex-direction: column;
        align-items: stretch;
    }

    .alert-success .btn-sm {
        text-align: center;
    }
}

@media (max-width: 320px) {
    .main {
        padding: var(--spacing-md) var(--spacing-xs);
    }

    .form-card {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: center;
    font-size: 13px;
    border-top: 3px solid var(--orange-primary);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-text {
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--orange-primary);
    text-decoration: none;
    font-size: 13px;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Card contact info (error/expired pages)
   ============================================ */
.card-contact {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
}

.card-contact a {
    color: var(--orange-primary);
    text-decoration: none;
}

.card-contact a:hover {
    text-decoration: underline;
}

/* ============================================
   Supplier Portal - Detail poptávky
   ============================================ */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.detail-item {
    padding: var(--spacing-sm);
    background: var(--gray-light-bg);
    border-radius: var(--radius-sm);
}

.detail-item-full {
    grid-column: 1 / -1;
}

.detail-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.detail-value {
    display: block;
    font-size: var(--font-size-body);
    font-weight: 500;
    color: var(--text-primary);
}

.detail-value-highlight {
    color: var(--orange-primary);
    font-weight: 600;
}

.detail-value-pre {
    white-space: pre-line;
    line-height: 1.6;
}

.deadline-box {
    background: var(--navy-dark);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.deadline-label {
    font-size: var(--font-size-label);
    font-weight: 500;
    opacity: 0.85;
}

.deadline-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--orange-primary);
}

/* Products list in detail */
.detail-products-list {
    list-style: disc;
    padding-left: 20px;
    margin: 0;
}

.detail-products-list li {
    font-size: var(--font-size-body);
    font-weight: 500;
    color: var(--text-primary);
    padding: 4px 0;
    line-height: 1.5;
}

/* Per-product pricing rows */
.product-prices-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.product-price-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px var(--spacing-sm);
    background: var(--gray-light-bg);
    border-radius: var(--radius-sm);
    border: 1px solid #E5E7EB;
}

.product-price-label {
    flex: 1;
    font-size: var(--font-size-body);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.product-price-qty {
    display: inline-block;
    background: var(--navy-dark);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 8px;
    white-space: nowrap;
}

.product-price-input-wrapper {
    flex-shrink: 0;
    width: 160px;
}

.product-price-input-wrapper .form-input {
    padding-right: 44px;
    -moz-appearance: textfield;
}

.product-price-input-wrapper .form-input::-webkit-outer-spin-button,
.product-price-input-wrapper .form-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

@media (max-width: 520px) {
    .product-price-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }

    .product-price-input-wrapper {
        width: 100%;
    }
}

/* Decline button */
.btn-decline {
    display: block;
    width: 100%;
    padding: 10px var(--spacing-sm);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-align: center;
    margin-top: var(--spacing-xs);
    transition: color 0.2s;
}

.btn-decline:hover {
    color: var(--red-error);
}

.btn-decline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

    .deadline-box {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Dynamic Products
   ============================================ */
.produkty-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.produkt-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    animation: slideIn 0.2s ease-out;
}

.produkt-fields {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 140px;
    gap: var(--spacing-xs);
}

.produkt-qty-wrapper {
    position: relative;
}

.produkt-qty-wrapper .form-input {
    padding-right: 40px;
    -moz-appearance: textfield;
}

.produkt-qty-wrapper .form-input::-webkit-outer-spin-button,
.produkt-qty-wrapper .form-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.produkt-qty-wrapper .input-suffix {
    right: 12px;
}

.produkt-remove-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 44px;
    background: none;
    border: 2px solid #E5E7EB;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.produkt-remove-btn:hover {
    border-color: var(--red-error);
    color: var(--red-error);
    background: rgba(239, 68, 68, 0.05);
}

.btn-add-produkt {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 10px var(--spacing-sm);
    background: none;
    border: 2px dashed #D1D5DB;
    border-radius: var(--radius-sm);
    color: var(--orange-primary);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: var(--spacing-xs);
}

.btn-add-produkt:hover {
    border-color: var(--orange-primary);
    background: rgba(255, 107, 53, 0.04);
}

/* ============================================
   Radio Buttons (Termín aukce)
   ============================================ */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px var(--spacing-sm);
    border: 2px solid #E5E7EB;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.radio-option:hover {
    border-color: var(--orange-primary);
    background: rgba(255, 107, 53, 0.04);
}

.radio-option:has(input:checked) {
    border-color: var(--orange-primary);
    background: rgba(255, 107, 53, 0.08);
}

.radio-option input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #D1D5DB;
    border-radius: 50%;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}

.radio-option input[type="radio"]:checked {
    border-color: var(--orange-primary);
    background: var(--orange-primary);
}

.radio-option input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
}

.radio-label {
    font-size: var(--font-size-body);
    font-weight: 500;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .produkt-fields {
        grid-template-columns: 1fr 100px;
    }
}

@media (max-width: 420px) {
    .produkt-fields {
        grid-template-columns: 1fr;
    }

    .produkt-row {
        position: relative;
    }

    .produkt-remove-btn {
        position: absolute;
        top: 0;
        right: 0;
        width: 32px;
        height: 32px;
        font-size: 16px;
        border: none;
        background: rgba(239, 68, 68, 0.1);
        color: var(--red-error);
        border-radius: 50%;
    }
}

/* ============================================
   Accessibility
   ============================================ */
/* Focus indicators */
*:focus-visible {
    outline: 3px solid var(--orange-primary);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Readonly prefilled fields (doprava) */
.input-readonly {
    background-color: var(--bg-secondary, #f5f5f5);
    color: var(--text-secondary, #666);
    cursor: not-allowed;
    border-color: var(--border-color, #ddd);
}