/* NAV MENU - SCOPED STYLES */
:root {
    --nvm-primary: #1a252f;
    --nvm-primary-light: #2c3e50;
    --nvm-accent: #3498db;
    --nvm-danger: #e74c3c;
    --nvm-white: #ffffff;
    --nvm-shadow: 2px 0 12px rgba(0, 0, 0, 0.08);
}

.nvm-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    background: linear-gradient(180deg, var(--nvm-primary) 0%, var(--nvm-primary-light) 100%);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--nvm-shadow);
}

    .nvm-sidebar.nvm-collapsed {
        width: 72px;
    }

/* Mobile Overlay */
.nvm-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

    .nvm-overlay.nvm-overlay-active {
        opacity: 1;
        pointer-events: all;
    }

/* Mobile Toggle Button */
.nvm-mobile-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--nvm-primary), var(--nvm-primary-light));
    border: none;
    border-radius: 12px;
    color: var(--nvm-white);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 1001;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

    .nvm-mobile-toggle:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    }

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

/* Header */
.nvm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    min-height: 70px;
    flex-shrink: 0;
}

.nvm-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.nvm-logo {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nvm-white);
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.nvm-sidebar:not(.nvm-collapsed) .nvm-logo:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.nvm-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
    opacity: 1;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.nvm-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--nvm-white);
    line-height: 1.2;
    white-space: nowrap;
}

.nvm-subtitle {
    font-size: 0.688rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.nvm-toggle {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--nvm-white);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

    .nvm-toggle:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: scale(1.05);
    }

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

/* Content */
.nvm-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 0;
}

    .nvm-content::-webkit-scrollbar {
        width: 5px;
    }

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

    .nvm-content::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.15);
        border-radius: 3px;
    }

        .nvm-content::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

/* Sections */
.nvm-section {
    padding: 0.75rem 0;
}

    .nvm-section + .nvm-section {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

.nvm-section-title {
    padding: 0.5rem 1rem;
    font-size: 0.688rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.nvm-spacer {
    flex: 1;
    min-height: 1rem;
}

.nvm-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 0.75rem;
    margin-top: auto;
    flex-shrink: 0;
}

/* Nav Items */
.nvm-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

    .nvm-item i {
        font-size: 1.125rem;
        width: 20px;
        text-align: center;
        flex-shrink: 0;
    }

.nvm-item-text {
    flex: 1;
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.nvm-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--nvm-accent);
    border-radius: 0 3px 3px 0;
    transition: height 0.2s ease;
}

.nvm-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--nvm-white);
}

    .nvm-item:hover::before {
        height: 60%;
    }

.nvm-item.active {
    background: rgba(52, 152, 219, 0.12);
    color: var(--nvm-white);
    font-weight: 600;
}

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

    .nvm-item.active i {
        color: var(--nvm-accent);
    }

/* Logout Button */
.nvm-logout-form {
    margin: 0;
    padding: 0;
    width: 100%;
}

.nvm-logout {
    margin-top: 0.5rem;
}

    .nvm-logout:hover {
        background: rgba(231, 76, 60, 0.12);
        color: #ff6b6b;
    }

        .nvm-logout:hover i {
            color: #ff6b6b;
        }

/* Badge */
.nvm-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 0.375rem;
    background: var(--nvm-danger);
    color: var(--nvm-white);
    border-radius: 10px;
    font-size: 0.688rem;
    font-weight: 700;
    margin-left: auto;
    flex-shrink: 0;
    animation: nvm-pulse 2s ease-in-out infinite;
}

@keyframes nvm-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }

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

/* User Section */
.nvm-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    margin: 0 0.75rem 0.75rem;
    transition: all 0.2s ease;
}

    .nvm-user:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nvm-user.nvm-user-collapsed {
        justify-content: center;
        padding: 0.75rem;
    }

.nvm-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--nvm-accent), #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nvm-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.nvm-user-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    flex: 1;
    min-width: 0;
    opacity: 1;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.nvm-user-name {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--nvm-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nvm-user-role {
    font-size: 0.688rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Responsive */
@media (max-width: 1024px) {
    .nvm-mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nvm-overlay {
        display: block;
    }

    .nvm-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1100;
    }

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

        .nvm-sidebar.nvm-collapsed {
            width: 260px;
        }

    .nvm-toggle {
        display: none;
    }
}

/* Tooltip for collapsed state */
.nvm-sidebar.nvm-collapsed .nvm-item {
    position: relative;
}

    .nvm-sidebar.nvm-collapsed .nvm-item:hover::after {
        content: attr(title);
        position: absolute;
        left: 100%;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0.5rem;
        padding: 0.5rem 0.75rem;
        background: #2c3e50;
        color: var(--nvm-white);
        font-size: 0.813rem;
        white-space: nowrap;
        border-radius: 6px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        z-index: 1200;
        animation: nvm-tooltipFade 0.2s ease-out;
    }

@keyframes nvm-tooltipFade {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-5px);
    }

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

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