/* ==========================================================================
   SlashWeb - Header, Navigation & Mobile Drawer System (header.css)
   Version: 3.2.0 - 100% Standalone Pure CSS
   ========================================================================== */

/* 1. الشريط العلوي الداكن (Top Header) */
.top-header {
    background-color: var(--topbar-bg);
    color: var(--topbar-text);
    font-size: 0.8125rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 0;
    transition: all var(--transition-fast);
}

.top-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 640px) {
    .top-header {
        font-size: 0.75rem;
        padding: 4px 0;
    }
    .top-header-inner {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.35rem;
    }
}

.top-header-start, .top-header-end {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.date-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.date-badge i {
    color: var(--color-primary);
}

.user-greeting {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.user-greeting strong {
    color: #ffffff;
}

.top-link {
    color: var(--topbar-text);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.top-link:hover {
    color: var(--topbar-text-hover);
}

.top-link.edit-link {
    color: #fbbf24;
    font-weight: 700;
}

.top-link.logout-link {
    color: #f87171;
}

/* 2. الهيدر الرئيسي (Main Header) */
.main-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
}

.main-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 1.5rem;
}

/* الشعار والهوية (Brand Logo) */
.header-brand-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.logo-text, .mobile-logo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1.65rem;
    font-weight: 900;
    text-decoration: none;
    line-height: 1;
}

.logo-part-first {
    color: var(--color-text-main);
    font-weight: 900;
}

.logo-part-second, .logo-accent {
    color: var(--color-primary);
    font-weight: 900;
}

/* 3. شريط التنقل لسطح المكتب (Desktop Navigation) */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex: 1;
    justify-content: center;
}

@media (max-width: 1023px) {
    .desktop-nav {
        display: none !important;
    }
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.85rem;
    color: var(--color-text-body);
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-item:hover {
    color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

.nav-item.active {
    color: #991b1b !important;
    background-color: #fee2e2 !important;
    font-weight: 800 !important;
    border: 1px solid #fca5a5 !important;
}

html[data-theme="dark"] .nav-item.active {
    color: #fca5a5 !important;
    background-color: rgba(220, 38, 38, 0.25) !important;
    border: 1px solid rgba(239, 68, 68, 0.45) !important;
    font-weight: 800 !important;
}

/* القوائم المنسدلة (Dropdowns) */
.nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown .dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 0.65rem;
    transition: transform var(--transition-fast), color var(--transition-fast);
    margin-right: 0.25rem;
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown:focus-within .dropdown-arrow {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    min-width: 220px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    max-height: 400px;
    overflow-y: auto;
    direction: rtl;
    text-align: right;
    pointer-events: none;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-body);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    padding-right: 1.1rem;
}

.dropdown-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* 4. عناصر الرأس والبحث وتبديل الوضع (Header Actions) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.site-theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.site-theme-toggle-btn:hover {
    background-color: var(--color-border);
    color: var(--color-primary);
}

.search-box-desktop {
    position: relative;
}

.search-box-desktop .search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box-desktop .search-input {
    width: 170px;
    height: 40px;
    padding: 0.5rem 2.25rem 0.5rem 1rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background-color: var(--color-surface-hover);
    color: var(--color-text-main);
    font-size: 0.825rem;
    font-weight: 600;
    outline: none;
    transition: all var(--transition-normal);
}

.search-box-desktop .search-input:focus {
    width: 220px;
    background-color: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.search-box-desktop .search-icon {
    position: absolute;
    right: 0.85rem;
    color: var(--color-text-light);
    pointer-events: none;
    font-size: 0.85rem;
}

/* 5. زر وهمبرجر قائمة الجوال (Hamburger Button) */
.hamburger-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    font-size: 1.15rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

@media (max-width: 1023px) {
    .hamburger-btn {
        display: inline-flex !important;
    }
}

.hamburger-btn:hover {
    background-color: var(--color-border);
    color: var(--color-primary);
}

/* 6. قائمة الجوال المنبثقة (Mobile Navigation Drawer) */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 310px;
    max-width: 85vw;
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-border);
    z-index: 2000;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-header {
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
}

.mobile-close-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.mobile-close-btn:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mobile-search-box {
    padding: 0.85rem 1.25rem;
    position: relative;
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-search-form {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.mobile-search-input {
    width: 100%;
    height: 44px;
    background-color: var(--color-bg, #f8fafc);
    border: 1.5px solid var(--color-border, #e2e8f0);
    border-radius: var(--radius-xl, 16px);
    padding: 0 2.75rem 0 1rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-main, #0f172a);
    outline: none;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.mobile-search-input:focus {
    border-color: #dc2626;
    background-color: var(--color-surface, #ffffff);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.mobile-search-btn {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-primary, #dc2626);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.mobile-search-btn:hover {
    background-color: var(--color-primary-light, #fef2f2);
    color: var(--color-primary-hover, #b91c1c);
}

/* Dark Mode Mobile Search */
html[data-theme="dark"] .mobile-search-box {
    border-bottom-color: #1e293b !important;
}

html[data-theme="dark"] .mobile-search-input {
    background-color: #0b0f19 !important;
    border-color: #1e293b !important;
    color: #f8fafc !important;
}

html[data-theme="dark"] .mobile-search-input::placeholder {
    color: #64748b !important;
}

html[data-theme="dark"] .mobile-search-input:focus {
    background-color: #0b0f19 !important;
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25) !important;
}

html[data-theme="dark"] .mobile-search-btn {
    color: #ef4444 !important;
}

html[data-theme="dark"] .mobile-search-btn:hover {
    background-color: rgba(239, 68, 68, 0.15) !important;
    color: #fca5a5 !important;
}

.mobile-nav-links {
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--color-text-body);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.mobile-nav-item:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-primary);
}

.mobile-nav-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mobile-menu-footer {
    padding: 1.25rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface-alt);
}

/* Dark Mode Top Header Contrast */
html[data-theme="dark"] .top-header {
    background-color: #070b14 !important;
    border-bottom-color: #1e293b !important;
    color: #94a3b8 !important;
}
html[data-theme="dark"] .top-header .date-badge,
html[data-theme="dark"] .top-header .user-greeting,
html[data-theme="dark"] .top-header .top-link,
html[data-theme="dark"] .top-header-start span,
html[data-theme="dark"] .top-header-end a {
    color: #cbd5e1 !important;
}
html[data-theme="dark"] .top-header .top-link:hover,
html[data-theme="dark"] .top-header-end a:hover {
    color: #ffffff !important;
}
html[data-theme="dark"] .top-header a.logout-link {
    color: #f87171 !important;
}