/**
 * Layout Styles
 * Header, footer, and navigation components
 */

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

header {
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.nav-container {
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-container img {
    height: 60px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-xl);
}

nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-slow);
}

nav a:hover {
    color: var(--color-primary);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.btn-login,
.btn-register {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-slow);
}

.btn-login {
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-register {
    background-color: var(--color-primary);
    color: white;
    border: 1px solid var(--color-primary);
}

.btn-login:hover {
    background-color: var(--color-primary-lighter);
}

.btn-register:hover {
    background-color: var(--color-primary-dark);
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
}

/* Dropdown Toggle Button */
.dropdown-toggle {
    padding: var(--spacing-xs);
    background: none;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dropdown-toggle:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

/* User Avatar */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.user-avatar.large {
    width: 48px;
    height: 48px;
}

.avatar-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Dropdown Menu */
.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    min-width: 400px;
    margin-top: var(--spacing-sm);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.dropdown-content.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Dropdown Header */
.dropdown-header {
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-details {
    overflow: hidden;
}

.user-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.user-email {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Dropdown Divider */
.dropdown-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: var(--spacing-sm) 0;
}

/* Dropdown Items */
.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: background-color var(--transition-normal);
}

.dropdown-item:hover {
    background-color: var(--color-gray-100);
}

.dropdown-item svg {
    color: var(--color-gray-600);
}

/* Logout Button */
.dropdown-item.logout {
    color: var(--color-error-dark);
}

.dropdown-item.logout svg {
    color: var(--color-error-dark);
}

.dropdown-item.logout:hover {
    background-color: #fff5f5;
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background-color: var(--color-text);
    color: white;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.footer-content {
    max-width: var(--max-content-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color var(--transition-slow);
}

.footer-section a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 50px;
    height: 50px;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
        text-align: center;
    }

    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }

    .dropdown-content {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        margin-top: 0;
        transform: translateY(100%);
        border-radius: var(--spacing-md) var(--spacing-md) 0 0;
        border: none;
        border-top: 1px solid var(--color-border-light);
    }

    .dropdown-content.show {
        transform: translateY(0);
    }
}