/**
 * Custom Header Styles for Kursai.net
 *
 * @package Kursai
 * @since 1.0.0
 */

/* ==========================================================================
   Header Variables
   ========================================================================== */
:root {
    --header-height: 49px;
    --header-btn-bg: #ffffff;
    --header-btn-border: #e6e8ec;
    --header-nav-text: #777e90;
    --header-btn-radius: 15px;
}

/* ==========================================================================
   Header Base Styles
   ========================================================================== */
.kursai-header {
    background: transparent;
    padding: 39px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.kursai-header.header-sticky {
    background: #ffffff;
    box-shadow: 0 1px 0 var(--header-btn-border);
    border-bottom: 1px solid var(--header-btn-border);
}

.kursai-header-container {
    max-width: 1264px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    height: var(--header-height);
}

/* Body padding for fixed header */
body.kursai-header-active {
    padding-top: 127px;
}

/* ==========================================================================
   Logo
   ========================================================================== */
.kursai-header-logo {
    flex-shrink: 0;
}

.kursai-header-logo a {
    display: block;
    line-height: 0;
}

.kursai-logo {
    height: 42px;
    width: auto;
}

/* ==========================================================================
   Main Navigation
   ========================================================================== */
.kursai-main-nav {
    display: flex;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
}

.kursai-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 48px;
}

.kursai-nav-menu li {
    margin: 0;
    padding: 0;
}

.kursai-nav-menu a {
    text-decoration: none;
    color: var(--header-nav-text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.3;
    padding: 8px 0;
    display: block;
    transition: opacity 0.2s ease;
}

.kursai-nav-menu a:hover {
    opacity: 0.7;
}

/* ==========================================================================
   Mobile Menu Toggle
   ========================================================================== */
.kursai-menu-toggle {
    display: none;
    background: var(--color-primary, #3671ff);
    border: none;
    border-radius: var(--header-btn-radius);
    padding: 0;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    width: var(--header-height);
    height: var(--header-height);
    transition: all 0.3s ease;
}

.kursai-menu-toggle:hover {
    opacity: 0.8;
}

.kursai-menu-toggle .hamburger-icon {
    width: 24px;
    height: 24px;
    color: white;
}

/* ==========================================================================
   Header Actions (Profile & Cart)
   ========================================================================== */
.kursai-header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

/* Profile Button */
.kursai-profile-wrapper {
    position: relative;
}

.kursai-profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--header-btn-bg);
    border: 1px solid var(--header-btn-border);
    border-radius: var(--header-btn-radius);
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 87px;
    height: var(--header-height);
    gap: 8px;
}

.kursai-profile-btn:hover {
    opacity: 0.8;
}

.kursai-avatar {
    width: 33px;
    height: 33px;
    border-radius: 50%;
    border: 1px solid var(--header-btn-border);
    object-fit: cover;
}

.kursai-user-icon {
    background: transparent;
    border: none;
    color: #252a36;
    padding: 4px;
}

.kursai-dropdown-arrow {
    width: 18px;
    height: 18px;
    color: #252a36;
}

/* Cart Button */
.kursai-cart-wrapper {
    position: relative;
}

.kursai-cart-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--header-btn-bg);
    border: 1px solid var(--header-btn-border);
    border-radius: var(--header-btn-radius);
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    width: var(--header-height);
    height: var(--header-height);
    text-decoration: none;
    position: relative;
}

.kursai-cart-btn:hover {
    opacity: 0.8;
}

.kursai-cart-icon {
    width: 24px;
    height: 24px;
    color: #252a36;
}

.kursai-cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-primary, #3671ff);
    color: white;
    font-size: 11px;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .kursai-nav-menu {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .kursai-header {
        padding: 27px 0;
    }

    .kursai-header-container {
        padding: 0 19px;
        justify-content: space-between;
    }

    body.kursai-header-active {
        padding-top: 103px;
    }

    /* Hide logo and nav on mobile */
    .kursai-header-logo {
        display: none;
    }

    .kursai-main-nav {
        display: none;
    }

    /* Show hamburger menu */
    .kursai-menu-toggle {
        display: flex;
        order: 1;
    }

    /* Header actions on right */
    .kursai-header-actions {
        order: 2;
        margin-left: 0;
    }

    /* Mobile menu when toggled */
    .kursai-main-nav.toggled {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #ffffff;
        z-index: 999;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 32px;
    }

    .kursai-main-nav.toggled .kursai-nav-menu {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .kursai-main-nav.toggled .kursai-nav-menu a {
        font-size: 18px;
        padding: 16px 0;
    }
}

@media (max-width: 480px) {
    .kursai-header {
        padding: 20px 0;
    }

    .kursai-header-container {
        padding: 0 15px;
    }

    body.kursai-header-active {
        padding-top: 89px;
    }

    .kursai-header-actions {
        gap: 10px;
    }

    .kursai-profile-btn {
        width: 70px;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal;
}

.skip-link {
    background: #000;
    color: #fff;
    padding: 8px 16px;
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 10px;
}