/**
 * Navbar Layout Component
 * Modern glassmorphism navbar with search and user dropdown
 * Following BEM (Block Element Modifier) methodology
 */

/* ========================================
   Navbar Block
   ======================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: var(--z-index-sticky);
    min-height: var(--navbar-height);
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 4px 12px rgba(0, 0, 0, 0.03),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

/* ========================================
   Navbar Container
   ======================================== */
.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-0);
    max-width: 1920px;
    min-width:100%;
    margin: 0 auto;
    gap: var(--space-8);
}

/* ========================================
   Navbar Left Section
   ======================================== */
.navbar__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex: 1;
    min-width: 0;
}

/* ========================================
   Navbar Breadcrumb
   ======================================== */
.navbar__breadcrumb {
    display: flex;
    align-items: center;
    min-width: 0;
}

.navbar__breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    line-height: 1.3;
}

.navbar__breadcrumb-item {
    display: flex;
    align-items: center;
}

.navbar__breadcrumb-item + .navbar__breadcrumb-item::before {
    content: '/';
    padding: 0 var(--space-2);
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
}

.navbar__breadcrumb-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;   /* 24px minimum touch target (WCAG 2.5.8) */
    min-height: 1.5rem;
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base) var(--ease-out);
}

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

.navbar__breadcrumb-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.navbar__breadcrumb-icon {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.navbar__breadcrumb-current {
    color: var(--color-gray-800);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

/* Hamburger Menu */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    width: 44px;
    height: 44px;
    padding: var(--space-3);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    border: 2px solid rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: border-color var(--transition-base) var(--ease-out),
                box-shadow var(--transition-base) var(--ease-out);
}

.navbar__hamburger:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.15);
}

.navbar__hamburger:active {
    opacity: 0.8;
}

.navbar__hamburger-line {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--color-dark);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-base) var(--ease-out);
}

.navbar__hamburger:hover .navbar__hamburger-line {
    background: var(--color-primary);
}


/* ========================================
   Navbar Right Section
   ======================================== */
.navbar__right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Search Form */
.navbar__search-form {
    flex-shrink: 0;
}

.navbar__search-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 380px;
    max-width: 100%;
}

.navbar__search-btn {
    position: absolute;
    left: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
    cursor: pointer;
    border-radius: var(--radius-base);
    transition: background-color var(--transition-base) var(--ease-out),
                color var(--transition-base) var(--ease-out);
    z-index: 2;
}

.navbar__search-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.navbar__search-input {
    width: 100%;
    height: 44px;
    padding: 0 7rem 0 3rem;
    background: var(--color-gray-50);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.375rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-dark);
    transition: border-color var(--transition-base) var(--ease-out);
}

/* Narrow widths: end the placeholder with an ellipsis instead of a hard cut */
.navbar__search-input {
    text-overflow: ellipsis;
}

.navbar__search-input:hover {
    border-color: var(--bs-border-color);
}

.navbar__search-input:focus {
    outline: none;
    background: var(--color-gray-50);
    border-color: var(--color-primary);
    /* Same focus ring as the app's other inputs */
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.25);
}

.navbar__search-input::placeholder {
    color: var(--color-gray-600);
    font-weight: var(--font-weight-normal);
}

.navbar__search-kbd {
    position: absolute;
    right: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 0.375rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-600);
    font-family: var(--font-family-mono);
    transition: border-color var(--transition-base) var(--ease-out),
                color var(--transition-base) var(--ease-out),
                transform var(--transition-base) var(--ease-out);
}

.navbar__search-input:focus ~ .navbar__search-kbd {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: scale(0.95);
}

/* Quick Actions */
.navbar__quick-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Icon Buttons */
.navbar__icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    color: var(--color-gray-700);
    font-size: var(--font-size-lg);
    cursor: pointer;
    text-decoration: none;
    transition: color var(--transition-base) var(--ease-out),
                background-color var(--transition-base) var(--ease-out);
}

.navbar__icon-btn:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.06);
}

.navbar__icon-btn:active {
    opacity: 0.8;
}

/* Notification Dot */
.navbar__notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, var(--color-danger) 0%, var(--color-danger-dark) 100%);
    border: 2.5px solid var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 6px rgba(var(--color-danger-rgb), 0.4);
}

/* Pulses only while there's something the user hasn't seen yet — removed
   by JS (static/js/scripts.js) once they've opened the notifications
   page for the current count, and re-added automatically the next time
   the server renders a higher count than what's stored as "seen".
   Rendered on by default server-side (see components/_navbar.html) so
   it still animates if JS fails to load. */
.navbar__notification-dot--pulse {
    animation: badgePulse 2s ease-in-out infinite;
}

/* Navbar Divider */
.navbar__divider {
    width: 1.5px;
    height: 32px;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
    margin: 0 var(--space-2);
}

/* ========================================
   User Dropdown
   ======================================== */
.navbar__user-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-1) var(--space-3) var(--space-1) var(--space-1);
    background: transparent;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color var(--transition-base) var(--ease-out);
}

.navbar__user-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.06);
}

.navbar__user-btn:active {
    opacity: 0.8;
}

.navbar__user-avatar-container {
    position: relative;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.navbar__user-avatar-bg {
    position: absolute;
    inset: 0;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}


.navbar__user-avatar-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--color-white);
    font-size: var(--font-size-lg);
    z-index: 1;
}

.navbar__user-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
    border: 2.5px solid var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 6px rgba(var(--color-success-rgb), 0.3);
    z-index: 2;
}

.navbar__user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: var(--line-height-tight);
    gap: var(--space-1);
}

.navbar__user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
}

.navbar__user-role {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
}

.navbar__dropdown-chevron {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    transition: transform var(--transition-base) var(--ease-out),
                color var(--transition-base) var(--ease-out);
}

.navbar__user-btn:hover .navbar__dropdown-chevron {
    color: var(--color-primary);
}

.navbar__user-btn[aria-expanded="true"] .navbar__dropdown-chevron {
    transform: rotate(180deg);
    color: var(--color-primary);
}

/* ========================================
   Mobile Search Back Button (hidden on desktop)
   ======================================== */
.navbar__search-back {
    display: none;
}

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

/* Below 992px the sidebar is off-canvas, so show the hamburger */
@media (max-width: 991.98px) {
    .navbar__hamburger {
        display: flex;
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
}

/* Tablet (768px – 991px): compress search width */
@media (min-width: 768px) and (max-width: 991.98px) {
    .navbar__search-container {
        width: 260px;
    }
}

/* Mobile (< 768px): single-row navbar with collapsible search */
@media (max-width: 767.98px) {
    .navbar__container {
        padding: 0 var(--space-3);
        gap: var(--space-2);
        flex-wrap: nowrap;
        min-height: var(--navbar-height);
    }

    .navbar__left {
        flex: 1;
        min-width: 0;
        max-width: none;
        order: unset;
    }

    /* Hide middle breadcrumb items on mobile — keep home icon and current/last page */
    .navbar__breadcrumb-item + .navbar__breadcrumb-item:not(:last-child) {
        display: none;
    }

    /* Right section stays inline — no full-width wrapping */
    .navbar__right {
        flex: 0 0 auto;
        order: unset;
        margin-top: 0;
        gap: var(--space-2);
    }

    .navbar__quick-actions {
        order: unset;
        gap: var(--space-2);
    }

    /* Collapse search to a standalone icon button */
    .navbar__search-container {
        width: 40px;
        min-width: 40px;
        overflow: hidden;
        position: relative;
    }

    /* Reset absolute positioning from desktop */
    .navbar__search-btn {
        position: static;
        left: auto;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
        border: 2px solid rgba(0, 0, 0, 0.06);
        border-radius: var(--radius-xl);
        color: var(--color-gray-700);
        font-size: var(--font-size-base);
        cursor: pointer;
        flex-shrink: 0;
        z-index: auto;
        transition: border-color var(--transition-base) var(--ease-out),
                    color var(--transition-base) var(--ease-out);
    }

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

    .navbar__search-input,
    .navbar__search-kbd {
        display: none !important;
    }

    .navbar__icon-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }

    .navbar__notification-dot {
        width: 8px;
        height: 8px;
        top: 6px;
        right: 6px;
    }

    .navbar__divider {
        height: 26px;
    }

    .navbar__user-details {
        display: none !important;
    }

    .navbar__user-btn {
        padding: var(--space-1);
    }

    .navbar__user-avatar-container {
        width: 28px;
        height: 28px;
    }

    /* ========================================
       Search Overlay — open state
       ======================================== */
    .navbar--search-open .navbar__search-container {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 60px;
        display: flex;
        align-items: center;
        padding: 0 var(--space-3);
        gap: var(--space-2);
        background: var(--color-white);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        z-index: var(--z-index-navbar-search);
        overflow: visible;
        min-width: unset;
    }

    .navbar--search-open .navbar__search-back {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: transparent;
        border: none;
        border-radius: var(--radius-base);
        color: var(--color-gray-700);
        font-size: 1.5rem;
        cursor: pointer;
        flex-shrink: 0;
        padding: 0;
        transition: color var(--transition-base) ease;
    }

    .navbar--search-open .navbar__search-back:hover {
        color: var(--color-primary);
    }

    .navbar--search-open .navbar__search-btn {
        position: static;
        width: 36px;
        height: 36px;
        background: transparent;
        border: none;
        border-radius: var(--radius-base);
        color: var(--color-gray-600);
        flex-shrink: 0;
        transform: none;
        box-shadow: none;
    }

    .navbar--search-open .navbar__search-btn:hover {
        color: var(--color-primary);
        background: rgba(var(--color-primary-rgb), 0.08);
        transform: none;
        box-shadow: none;
    }

    .navbar--search-open .navbar__search-input {
        display: flex !important;
        flex: 1;
        height: 40px;
        padding: 0 var(--space-4);
        background: rgba(248, 249, 250, 0.8);
        border: 1.5px solid rgba(0, 0, 0, 0.08);
        border-radius: var(--radius-full);
        font-size: var(--font-size-base);
        color: var(--color-dark);
        outline: none;
        transition: border-color var(--transition-base) var(--ease-out),
                    box-shadow var(--transition-base) var(--ease-out);
    }

    .navbar--search-open .navbar__search-input:focus {
        border-color: var(--color-primary);
        background: var(--color-white);
        box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    }
}

/* Extra small (< 576px): further compact — keep 40px touch targets per WCAG 2.5.5 */
@media (max-width: 575.98px) {
    .navbar__container {
        padding: 0 var(--space-2);
        gap: var(--space-1);
    }

    .navbar__hamburger {
        width: 40px;
        height: 40px;
    }

    .navbar__search-container {
        width: 40px;
        min-width: 40px;
    }

    .navbar__search-btn,
    .navbar__icon-btn {
        width: 40px;
        height: 40px;
    }

    .navbar__user-avatar-container {
        width: 26px;
        height: 26px;
    }

    .navbar__divider {
        height: 24px;
        margin: 0 var(--space-1);
    }
}

/* ========================================
   Focus States for Accessibility
   ======================================== */
.navbar__hamburger:focus-visible,
.navbar__icon-btn:focus-visible,
.navbar__user-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.navbar__search-input:focus-visible {
    outline: none;
}

/* ========================================
   Reduced Motion Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .navbar__hamburger,
    .navbar__hamburger-line,
    .navbar__search-input,
    .navbar__search-btn,
    .navbar__search-kbd,
    .navbar__icon-btn,
    .navbar__user-btn,
    .navbar__dropdown-chevron {
        transition: none !important;
    }

    .navbar__notification-dot {
        animation: none !important;
    }
}

/* ========================================
   User Dropdown Menu
   ======================================== */

.sleek-dropdown-menu {
    margin-top: 0.5rem;
    min-width: 288px;
    padding: 0;
    background: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-xl);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.04),
        0 8px 20px rgba(0, 0, 0, 0.09),
        0 20px 40px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    animation: dropdownFadeIn 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Profile Header ---- */
.dropdown-user-info {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1.125rem 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.dropdown-user-info::before,
.dropdown-user-info::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.dropdown-user-info::before {
    top: -28px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.05);
}

.dropdown-user-info::after {
    bottom: -36px;
    right: 32px;
    width: 88px;
    height: 88px;
    background: rgba(255, 255, 255, 0.04);
}

.dropdown-avatar-wrapper {
    position: relative;
    flex-shrink: 0;
}

.dropdown-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.16);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    position: relative;
    z-index: 1;
}

.dropdown-online-dot {
    position: absolute;
    bottom: 1px;
    right: 1px;
    width: 10px;
    height: 10px;
    background: var(--color-success-light);
    border: 2px solid var(--color-primary-dark);
    border-radius: 50%;
    z-index: 2;
}

.dropdown-user-details {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.dropdown-user-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-user-email {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.72);
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-user-role-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.45rem;
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.92);
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    width: fit-content;
    margin-top: 0.15rem;
}

/* ---- Sections ---- */
.dropdown-actions-section {
    padding: 0.375rem 0.5rem 0.5rem;
}

.dropdown-actions-section--danger {
    padding-top: 0;
}

.dropdown-separator {
    margin: 0 0 0.375rem;
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    opacity: 1;
}

.dropdown-section-label {
    display: block;
    padding: 0.125rem 0.625rem 0.375rem;
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

/* ---- Menu Items ---- */
.sleek-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.625rem;
    border: none;
    background: transparent;
    border-radius: var(--radius-base);
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast) var(--ease-out);
    text-decoration: none;
    color: var(--color-gray-900);
    outline: none;
}

.sleek-dropdown-item:hover {
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    text-decoration: none;
}

.sleek-dropdown-item:focus-visible {
    background: var(--color-gray-100);
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

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

.dropdown-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    flex-shrink: 0;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* Color variants */
.dropdown-item-icon--blue {
    background: rgba(13, 110, 253, 0.1);
    color: #0d6efd;
}

.dropdown-item-icon--teal {
    background: rgba(13, 202, 240, 0.12);
    color: #0891b2;
}

.dropdown-item-label {
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    line-height: 1.3;
}

.dropdown-item-arrow {
    font-size: 0.625rem;  /* intentionally below --font-size-2xs; tiny inline chevron */
    color: var(--color-gray-400);
    flex-shrink: 0;
    transition: transform var(--transition-fast) var(--ease-out),
                color var(--transition-fast) var(--ease-out);
}

.sleek-dropdown-item:hover .dropdown-item-arrow {
    transform: translateX(2px);
    color: var(--color-gray-500);
}

/* ---- Sign Out ---- */
.logout-item .dropdown-item-icon {
    background: rgba(220, 53, 69, 0.09);
    color: var(--color-danger);
}

.logout-item .dropdown-item-label {
    color: var(--color-danger);
}

.logout-item:hover {
    background: rgba(220, 53, 69, 0.05);
}

.logout-item:hover .dropdown-item-icon {
    background: rgba(220, 53, 69, 0.14);
}


/* Long page titles truncate instead of sliding under the search button on
   phones: every flex level down to the current crumb must be allowed to
   shrink (min-width: 0), or the ellipsis on .navbar__breadcrumb-current
   never engages. */
.navbar__breadcrumb-list,
.navbar__breadcrumb-item:last-child {
    min-width: 0;
    overflow: hidden;
}

.navbar__breadcrumb-current {
    display: block;
    min-width: 0;
}