/* ============================================
   NAVIGATION SIDEBAR - COMPLETE STYLESHEET
   Majesty Oil Mills Auto Reports System
   ============================================ */

/* ============================================
   SIDEBAR CONTAINER
   ============================================ */
.nav-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    background: linear-gradient(180deg, #1a252f 0%, #2c3e50 50%, #34495e 100%);
    display: flex;
    flex-direction: column;
    z-index: var(--mar-z-sticky, 1020);
    transition: width var(--mar-transition-slow, 300ms) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

    .nav-sidebar.collapsed {
        width: 80px;
    }

/* ============================================
   HEADER SECTION
   ============================================ */
.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--mar-space-xl, 2rem) var(--mar-space-lg, 1.5rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 80px;
    flex-shrink: 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--mar-space-md, 1rem);
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.nav-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--mar-radius-lg, 0.75rem);
    color: var(--mar-white, #ffffff);
    font-size: var(--mar-font-size-2xl, 1.5rem);
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all var(--mar-transition-base, 200ms);
}

.nav-sidebar:not(.collapsed) .nav-logo:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    gap: var(--mar-space-xs, 0.25rem);
    min-width: 0;
    overflow: hidden;
    transition: opacity var(--mar-transition-base, 200ms) ease-in-out, transform var(--mar-transition-base, 200ms) ease-in-out;
    opacity: 1;
    transform: translateX(0);
}

    .nav-sidebar.collapsed .nav-brand-text,
    .nav-brand-text.hidden {
        opacity: 0;
        transform: translateX(-10px);
        pointer-events: none;
    }

.nav-brand-title {
    font-size: var(--mar-font-size-xl, 1.25rem);
    font-weight: var(--mar-font-weight-bold, 700);
    color: var(--mar-white, #ffffff);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-brand-subtitle {
    font-size: var(--mar-font-size-xs, 0.75rem);
    color: rgba(255, 255, 255, 0.7);
    font-weight: var(--mar-font-weight-medium, 500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--mar-radius-md, 0.5rem);
    background: rgba(255, 255, 255, 0.1);
    color: var(--mar-white, #ffffff);
    font-size: var(--mar-font-size-lg, 1.125rem);
    cursor: pointer;
    transition: all var(--mar-transition-base, 200ms);
    flex-shrink: 0;
}

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: scale(1.05);
    }

    .nav-toggle:active {
        transform: scale(0.95);
    }

    .nav-toggle i {
        transition: transform var(--mar-transition-base, 200ms);
    }

/* ============================================
   CONTENT SECTION
   ============================================ */
.nav-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--mar-space-md, 1rem) 0;
}

    .nav-content::-webkit-scrollbar {
        width: 6px;
    }

    .nav-content::-webkit-scrollbar-track {
        background: transparent;
    }

    .nav-content::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.2);
        border-radius: 3px;
    }

        .nav-content::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.3);
        }

/* ============================================
   SECTIONS
   ============================================ */
.nav-section {
    padding: var(--mar-space-md, 1rem) 0;
}

    .nav-section + .nav-section {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

.nav-section-title {
    padding: var(--mar-space-sm, 0.5rem) var(--mar-space-lg, 1.5rem);
    font-size: var(--mar-font-size-xs, 0.75rem);
    font-weight: var(--mar-font-weight-semibold, 600);
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--mar-space-xs, 0.25rem);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--mar-transition-base, 200ms) ease-in-out, transform var(--mar-transition-base, 200ms) ease-in-out;
    opacity: 1;
    transform: translateX(0);
}

    .nav-sidebar.collapsed .nav-section-title,
    .nav-section-title.hidden {
        opacity: 0;
        transform: translateX(-10px);
        pointer-events: none;
    }

.nav-spacer {
    flex: 1;
    min-height: var(--mar-space-lg, 1.5rem);
}

.nav-section-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--mar-space-lg, 1.5rem);
    margin-top: auto;
    flex-shrink: 0;
}

/* ============================================
   NAVIGATION ITEMS
   ============================================ */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--mar-space-md, 1rem);
    padding: var(--mar-space-md, 1rem) var(--mar-space-lg, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--mar-font-size-base, 1rem);
    font-weight: var(--mar-font-weight-medium, 500);
    transition: all var(--mar-transition-fast, 150ms);
    position: relative;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    font-family: var(--mar-font-family);
    text-align: left;
}

    .nav-item i {
        font-size: var(--mar-font-size-xl, 1.25rem);
        flex-shrink: 0;
        width: 24px;
        text-align: center;
        transition: color var(--mar-transition-fast, 150ms);
    }

.nav-item-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--mar-transition-base, 200ms) ease-in-out, transform var(--mar-transition-base, 200ms) ease-in-out;
    opacity: 1;
    transform: translateX(0);
}

    .nav-sidebar.collapsed .nav-item-text,
    .nav-item-text.hidden {
        opacity: 0;
        transform: translateX(-10px);
        pointer-events: none;
    }

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--mar-accent, #3498db);
    border-radius: 0 4px 4px 0;
    transition: height var(--mar-transition-base, 200ms);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--mar-white, #ffffff);
}

    .nav-item:hover::before {
        height: 70%;
    }

.nav-item.active {
    background: rgba(52, 152, 219, 0.15);
    color: var(--mar-white, #ffffff);
    font-weight: var(--mar-font-weight-semibold, 600);
}

    .nav-item.active::before {
        height: 100%;
    }

    .nav-item.active i {
        color: var(--mar-accent, #3498db);
    }

.nav-item-action {
    margin-top: var(--mar-space-sm, 0.5rem);
}

    .nav-item-action:hover {
        background: rgba(231, 76, 60, 0.15);
        color: var(--mar-danger-light, #ec7063);
    }

        .nav-item-action:hover i {
            color: var(--mar-danger-light, #ec7063);
        }

/* ============================================
   BADGE
   ============================================ */
.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 var(--mar-space-xs, 0.25rem);
    background: var(--mar-danger, #e74c3c);
    color: var(--mar-white, #ffffff);
    border-radius: var(--mar-radius-full, 9999px);
    font-size: var(--mar-font-size-xs, 0.75rem);
    font-weight: var(--mar-font-weight-bold, 700);
    margin-left: auto;
    flex-shrink: 0;
    animation: nav-badge-pulse 2s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4);
}

@keyframes nav-badge-pulse {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4), 0 0 0 0 rgba(231, 76, 60, 0.7);
    }

    50% {
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4), 0 0 0 6px rgba(231, 76, 60, 0);
    }
}

/* Badge pulse animation for JavaScript updates */
.nav-badge-pulse {
    animation: badge-pulse-once 0.6s ease-in-out;
}

@keyframes badge-pulse-once {
    0% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4), 0 0 0 0 rgba(231, 76, 60, 0.7);
    }

    50% {
        transform: scale(1.15);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4), 0 0 0 8px rgba(231, 76, 60, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(231, 76, 60, 0.4), 0 0 0 0 rgba(231, 76, 60, 0);
    }
}

/* ============================================
   LOGOUT FORM
   ============================================ */
.nav-logout-form {
    margin: 0;
    padding: 0;
    width: 100%;
}

/* ============================================
   USER CARD
   ============================================ */
.nav-user-card {
    display: flex;
    align-items: center;
    gap: var(--mar-space-md, 1rem);
    padding: var(--mar-space-md, 1rem) var(--mar-space-lg, 1.5rem);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--mar-radius-lg, 0.75rem);
    margin: 0 var(--mar-space-md, 1rem) var(--mar-space-md, 1rem);
    transition: all var(--mar-transition-base, 200ms);
}

    .nav-user-card:hover {
        background: rgba(255, 255, 255, 0.12);
    }

    .nav-sidebar.collapsed .nav-user-card,
    .nav-user-card.collapsed {
        justify-content: center;
        padding: var(--mar-space-md, 1rem);
    }

.nav-user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--mar-accent, #3498db) 0%, var(--mar-accent-dark, #2980b9) 100%);
    border-radius: 50%;
    color: var(--mar-white, #ffffff);
    font-size: var(--mar-font-size-xl, 1.25rem);
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.nav-user-info {
    display: flex;
    flex-direction: column;
    gap: var(--mar-space-xs, 0.25rem);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    transition: opacity var(--mar-transition-base, 200ms) ease-in-out, transform var(--mar-transition-base, 200ms) ease-in-out;
    opacity: 1;
    transform: translateX(0);
}

    .nav-sidebar.collapsed .nav-user-info,
    .nav-user-info.hidden {
        opacity: 0;
        transform: translateX(-10px);
        pointer-events: none;
    }

.nav-user-name {
    font-size: var(--mar-font-size-sm, 0.875rem);
    font-weight: var(--mar-font-weight-semibold, 600);
    color: var(--mar-white, #ffffff);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-user-role {
    font-size: var(--mar-font-size-xs, 0.75rem);
    color: rgba(255, 255, 255, 0.6);
    font-weight: var(--mar-font-weight-medium, 500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
   TOP BAR (MOBILE)
   ============================================ */
.top-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: var(--mar-space-md, 1rem) var(--mar-space-lg, 1.5rem);
    background: var(--mar-bg-primary, #ffffff);
    border-bottom: 1px solid var(--mar-border-light, #e4e6eb);
    box-shadow: var(--mar-shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--mar-z-fixed, 1030);
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--mar-space-md, 1rem);
}

.top-bar-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--mar-radius-md, 0.5rem);
    background: var(--mar-bg-tertiary, #f0f2f5);
    color: var(--mar-text-primary, #1c1e21);
    font-size: var(--mar-font-size-xl, 1.25rem);
    cursor: pointer;
    transition: all var(--mar-transition-base, 200ms);
}

    .top-bar-menu-toggle:hover {
        background: var(--mar-accent, #3498db);
        color: var(--mar-white, #ffffff);
        transform: scale(1.05);
    }

    .top-bar-menu-toggle:active {
        transform: scale(0.95);
    }

.top-bar-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--mar-space-sm, 0.5rem);
    font-size: var(--mar-font-size-base, 1rem);
    font-weight: var(--mar-font-weight-semibold, 600);
    color: var(--mar-text-primary, #1c1e21);
}

    .top-bar-breadcrumb i {
        color: var(--mar-accent, #3498db);
    }

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--mar-space-md, 1rem);
}

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

.top-bar-welcome {
    font-size: var(--mar-font-size-xs, 0.75rem);
    color: var(--mar-text-tertiary, #8b92a4);
    font-weight: var(--mar-font-weight-medium, 500);
}

.top-bar-username {
    font-size: var(--mar-font-size-sm, 0.875rem);
    font-weight: var(--mar-font-weight-semibold, 600);
    color: var(--mar-text-primary, #1c1e21);
}

/* ============================================
   MOBILE OVERLAY
   ============================================ */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: calc(var(--mar-z-sticky, 1020) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--mar-transition-base, 200ms);
}

    .nav-overlay.show {
        opacity: 1;
        pointer-events: all;
    }

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

/* Tablets and below */
@media (max-width: 1024px) {
    .nav-sidebar {
        transform: translateX(-100%);
        transition: transform var(--mar-transition-slow, 300ms) cubic-bezier(0.4, 0, 0.2, 1);
        width: 280px;
        z-index: var(--mar-z-modal, 1050);
    }

        .nav-sidebar.collapsed {
            width: 280px;
            transform: translateX(-100%);
        }

        .nav-sidebar.show {
            transform: translateX(0);
        }

    .nav-toggle {
        display: none;
    }

    .top-bar {
        display: flex;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .top-bar {
        padding: var(--mar-space-sm, 0.5rem) var(--mar-space-md, 1rem);
    }

    .top-bar-user {
        display: none;
    }

    .nav-sidebar {
        width: 280px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .top-bar-breadcrumb span {
        display: none;
    }

    .nav-header {
        padding: var(--mar-space-lg, 1.5rem) var(--mar-space-md, 1rem);
    }

    .nav-section-title,
    .nav-item,
    .nav-user-card {
        padding-left: var(--mar-space-md, 1rem);
        padding-right: var(--mar-space-md, 1rem);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.nav-item:focus-visible,
.nav-toggle:focus-visible,
.top-bar-menu-toggle:focus-visible {
    outline: 3px solid var(--mar-accent, #3498db);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .nav-sidebar,
    .nav-item,
    .nav-badge,
    .nav-overlay,
    .nav-brand-text,
    .nav-item-text,
    .nav-user-info,
    .nav-section-title,
    .nav-toggle i {
        transition: none !important;
        animation: none !important;
    }

    .nav-badge {
        animation: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .nav-sidebar {
        border-right: 2px solid var(--mar-white, #ffffff);
    }

    .nav-item,
    .nav-toggle,
    .nav-user-card {
        border: 1px solid rgba(255, 255, 255, 0.3);
    }

        .nav-item.active {
            border: 2px solid var(--mar-accent, #3498db);
        }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .nav-sidebar,
    .top-bar,
    .nav-overlay {
        display: none !important;
    }
}

/* ============================================
   COLLAPSED STATE TOOLTIPS (OPTIONAL)
   ============================================ */
.nav-sidebar.collapsed .nav-item {
    position: relative;
}

    .nav-sidebar.collapsed .nav-item:hover::after {
        content: attr(title);
        position: absolute;
        left: 100%;
        top: 50%;
        transform: translateY(-50%);
        margin-left: var(--mar-space-sm, 0.5rem);
        padding: var(--mar-space-sm, 0.5rem) var(--mar-space-md, 1rem);
        background: var(--mar-gray-900, #1c1e21);
        color: var(--mar-white, #ffffff);
        font-size: var(--mar-font-size-sm, 0.875rem);
        font-weight: var(--mar-font-weight-medium, 500);
        white-space: nowrap;
        border-radius: var(--mar-radius-md, 0.5rem);
        box-shadow: var(--mar-shadow-lg);
        z-index: calc(var(--mar-z-tooltip, 1070));
        pointer-events: none;
        opacity: 0;
        animation: tooltip-fade-in var(--mar-transition-base, 200ms) forwards;
    }

@keyframes tooltip-fade-in {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}