/**
 * B2B Spokar Theme - Main Styles
 *
 * @package B2B_Spokar_Theme
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Variables (Colors, Typography, Spacing)
   ========================================================================== */

:root {
    /* Primary Colors */
    --color-primary: #0066cc;
    --color-primary-light: #4d94ff;
    --color-primary-dark: #004999;

    /* Grayscale */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #dddddd;
    --color-border-dark: #c3c3c3;
    --color-bg: #ffffff;
    --color-bg-light: #f9f9f9;

    /* Action Colors */
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-error: #dc3545;
    --color-error-dark: #c82333;
    --color-info: #17a2b8;

    /* Badges */
    --color-badge-new: #28a745;
    --color-badge-sale: #ffc107;
    --color-badge-out: #999999;

    /* Brand Colors */
    --antracit: #1e252b;
    --green: #d2dc2c;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-text: 'Proxima Nova', Arial, sans-serif;
    --font-mono: "Courier New", Courier, monospace;

    /* Font Sizes */
    --font-size-tiny: 12px;
    --font-size-small: 14px;
    --font-size-base: 16px;
    --font-size-h4: 18px;
    --font-size-h3: 20px;
    --font-size-h2: 24px;
    --font-size-h1: 28px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Breakpoints (pro dokumentaci - v media queries se používají přímo px hodnoty) */
    --bp-desktop: 1399px;
    --bp-tablet: 1023px;
    --bp-mobile: 767px;

    /* Max-width tokens */
    --max-w-2xs: 150px;
    --max-w-xs: 300px;
    --max-w-sm: 450px;
    --max-w-md: 600px;
    --max-w-lg: 900px;
    --max-w-xl: 1200px;
    --max-w-2xl: 1600px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); font-weight: 600; }
h4 { font-size: var(--font-size-h4); font-weight: 600; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-content {
    flex: 1;
}

.content-wrapper,
.header-container,
.footer-container,
.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-top {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo {
    max-width: 150px;
    height: auto;
}

.site-title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 1px;
}

.site-branding a:hover {
    text-decoration: none;
}

/* Search */
.header-search {
    flex: 1;
    max-width: 400px;
    margin-left: 50px;
    position: relative;
}

.search-form {
    display: flex;
    position: relative;
}

.search-field {
    flex: 1;
    padding: 10px 70px 10px 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
}

.search-field:focus {
    outline: none;
    border-color: var(--color-primary);
    border-width: 2px;
}

/* Style the native clear button in search inputs */
.search-field::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
    height: 16px;
    width: 16px;
    margin-right: 10px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E");
    background-size: 16px 16px;
    background-repeat: no-repeat;
    background-position: center;
}

.search-field::-webkit-search-cancel-button:hover {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d32f2f'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E");
}

.search-submit {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    font-size: 18px;
}

.header-search button.search-submit {
    background: none;
}

.search-results-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-md);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
}

/* User Info */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto;
}

.user-info {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.user-avatar,
.user-info .avatar.photo {
    width: 45px !important;
    height: 45px !important;
    border-radius: 50% !important;
    object-fit: cover;
    flex-shrink: 0;
}

.user-avatar-initials {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: white;
    font-weight: 700;
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 600;
    color: var(--color-text);
}

.company-name {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    min-width: 250px;
    display: none;
    z-index: 100;
}

.user-info:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-base);
}

.user-dropdown a:hover {
    background-color: var(--color-bg-light);
}

/* Cart */
.header-cart {
    position: relative;
}

.cart-icon {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: 24px;
    position: relative;
    transition: color var(--transition-base);
}

.cart-icon.has-items {
    color: var(--color-primary);
}

/* Cart icon and count */
.cart-icon-symbol {
    font-size: 24px;
    line-height: 1;
}

.cart-count {
    font-size: var(--font-size-base);
    line-height: 1;
    margin-left: 2px;
}

.cart-tooltip {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.header-cart:hover .cart-tooltip {
    opacity: 1;
}

.cart-tooltip-count {
    display: block;
    font-weight: 600;
}

/* Cart Toast Notification */
.cart-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--color-bg);
    border-left: 4px solid var(--color-success);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-base);
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: none;
    max-width: 400px;
    line-height: 1.4;
}

.cart-toast.visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.cart-toast .toast-title {
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: 4px;
}

.cart-toast .toast-detail {
    color: var(--color-text);
    font-weight: 400;
}

/* Warning variant */
.cart-toast.warning {
    background: #fef2f2;
    border-left: 4px solid var(--color-error, #dc2626);
}

.cart-toast.warning .toast-title {
    color: #991b1b;
}

.cart-toast.warning .toast-detail {
    color: #991b1b;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.main-navigation {
    background-color: var(--antracit);
    color: #fff;
    font-family: var(--font-text);
    border-bottom: 1px solid var(--color-border);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: var(--spacing-md) var(--spacing-sm);
    color: #fff;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-base);
}

.nav-menu a:hover {
    background-color: var(--green);
    color: var(--antracit);
    text-decoration: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-navigation {
    margin-bottom: var(--spacing-md);
}

.footer-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-menu a {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.site-info {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    text-align: center;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.button,
button[type="submit"],
input[type="submit"] {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-base);
}

.button:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    background-color: var(--color-primary-dark);
    color: white;
    text-decoration: none;
}

.button-secondary {
    background-color: var(--color-bg);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.button-secondary:hover {
    background-color: #f0f8ff;
}

.button-danger {
    background-color: var(--color-error);
}

.button-danger:hover {
    background-color: #b02a37;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.hidden { display: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media screen and (max-width: 1199px) {
    .nav-menu {
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 991px) {
    .header-container {
        flex-wrap: wrap;
    }

    .header-search {
        order: 3;
        max-width: none;
        width: 100%;
    }
}

@media screen and (max-width: 767px) {
    .user-info {
        display: none;
    }

    .nav-menu {
        flex-direction: column;
    }
}