/* ═══════════════════════════════════════════════
   sidebar.css  –  IndianSpermTech / BM Project
   Redesigned Enterprise-Grade Dark Navy Sidebar
   Premium Hover & Micro-Animations Style
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --sb-width: 280px;
    --sb-collapsed: 68px;
    --sb-header-height: 70px;
    /* ── Dark Navy Sidebar Palette (From Reference Photo) ── */
    --sb-bg: #02021A; /* Very deep dark navy background */
    --sb-border: rgba(255, 255, 255, 0.06); /* Subtle borders */
    --sb-divider: rgba(255, 255, 255, 0.06);
    --sb-text: #FFFFFF; /* White navigation text */
    --sb-text-dim: #64748B; /* Muted gray for section labels */
    --sb-icon-color: #FFFFFF; /* White icons */
    /* ── Interaction Tokens ── */
    --sb-parent-hover: rgba(255, 255, 255, 0.05); /* Translucent white hover */
    --sb-parent-active: rgba(37, 99, 235, 0.2); /* Base transparency for active glass */

    --sb-radius: 8px;
    --sb-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1); /* Premium ease-in-out bezier */
}

/* ── Layout Shell ── */
.sb-layout {
    display: flex;
    min-height: 100vh;
}

/* Main content — driven by margin-left and fixed header padding-top */
.sb-main {
    flex: 1;
    min-width: 0;
    margin-left: var(--sb-width);
    padding-top: var(--sb-header-height);
    transition: margin-left var(--sb-transition), padding-top var(--sb-transition);
}

    .sb-main.sb-main-collapsed {
        margin-left: var(--sb-collapsed);
    }

/* ── Sidebar Wrapper ── */
#appSidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sb-width);
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transition: width var(--sb-transition);
    overflow: visible;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: transparent; /* Seamless top header */
    pointer-events: none; /* Clicks pass through the transparent top wrapper */
}

    /* Enable pointer events for actual menu content */
    #appSidebar .sb-toggle,
    #appSidebar .sb-header,
    #appSidebar .sb-role-wrap,
    #appSidebar .sb-nav,
    #appSidebar .sb-footer {
        pointer-events: auto;
    }

    /* Collapsed state */
    #appSidebar.sb-collapsed {
        width: var(--sb-collapsed);
    }

/* ── Toggle Pill ── */
.sb-toggle {
    position: absolute;
    top: 50%;
    right: -13px;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #02021A;
    border: 1px solid var(--sb-border);
    color: var(--sb-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.75rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: all 0.25s ease-in-out;
    z-index: 1060;
    flex-shrink: 0;
}

    .sb-toggle:hover {
        background: var(--sb-parent-hover);
        border-color: #2563EB;
        color: #FFFFFF;
    }

    .sb-toggle i {
        transition: transform var(--sb-transition);
        pointer-events: none;
    }

#appSidebar.sb-collapsed .sb-toggle i {
    transform: rotate(180deg);
}

/* ── Logo / Header ── */
.sb-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    background: transparent; /* Let full-width navbar gradient show through */
    height: var(--sb-header-height);
    flex-shrink: 0;
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
}

.sb-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #FFFFFF;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25);
}

.sb-logo-text {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity var(--sb-transition), width var(--sb-transition);
}

    .sb-logo-text strong {
        font-size: 0.95rem;
        font-weight: 700;
        color: #FFFFFF;
        letter-spacing: -0.2px;
    }

    .sb-logo-text span {
        font-size: 0.65rem;
        color: #94A3B8; /* Muted gray-blue */
        letter-spacing: 0.8px;
        text-transform: uppercase;
        font-weight: 600;
        margin-top: 1px;
    }

#appSidebar.sb-collapsed .sb-logo-text {
    opacity: 0;
    width: 0;
}

/* ── Role Selector ── */
.sb-role-wrap {
    padding: 12px 18px;
    border-right: 1px solid var(--sb-border);
    background: var(--sb-bg);
    flex-shrink: 0;
    overflow: hidden;
}

.sb-role-label {
    font-size: 0.6rem;
    color: var(--sb-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 5px;
    font-weight: 600;
    white-space: nowrap;
    transition: opacity var(--sb-transition);
}

#appSidebar.sb-collapsed .sb-role-label {
    opacity: 0;
}

.sb-role-select {
    width: 100%;
    background: #0A0D30;
    border: 1px solid rgba(77, 77, 255, 0.2);
    border-radius: 8px;
    color: var(--sb-text);
    font-size: 0.8rem;
    padding: 6px 12px;
    cursor: pointer;
    outline: none;
    transition: opacity var(--sb-transition), border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

    .sb-role-select option {
        background: #02021A;
        color: var(--sb-text);
    }

    .sb-role-select:focus {
        border-color: #2563EB;
    }

#appSidebar.sb-collapsed .sb-role-select {
    opacity: 0;
    pointer-events: none;
}

/* ── Nav Scroll Area ── */
.sb-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px 0 16px;
    border-right: 1px solid var(--sb-border);
    background: var(--sb-bg);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

    .sb-nav::-webkit-scrollbar {
        width: 4px;
    }

    .sb-nav::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.15);
        border-radius: 4px;
    }

/* ── Section Label ── */
.sb-section {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--sb-text-dim);
    padding: 16px 20px 6px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--sb-transition), max-height var(--sb-transition), padding var(--sb-transition);
}

#appSidebar.sb-collapsed .sb-section {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* ── Parent Group Header ── */
.sb-group {
    margin: 2px 0;
}

.sb-group-header {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin: 2px 10px;
    border-radius: var(--sb-radius);
    color: var(--sb-text);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    user-select: none;
    transition: transform var(--sb-transition), background var(--sb-transition), color var(--sb-transition), box-shadow var(--sb-transition);
}

    .sb-group-header .sb-icon {
        font-size: 1.15rem;
        flex-shrink: 0;
        width: 20px;
        text-align: center;
        color: var(--sb-icon-color);
        transition: transform var(--sb-transition), color var(--sb-transition);
    }

    .sb-group-header .sb-label {
        flex: 1;
        font-size: large;
        transition: opacity var(--sb-transition);
    }

    .sb-group-header .sb-arrow {
        font-size: 0.7rem;
        color: var(--sb-text);
        transition: transform var(--sb-transition), color var(--sb-transition);
        flex-shrink: 0;
    }

    /* Parent Header Hover Anim */
    .sb-group-header:hover {
        background: var(--sb-parent-hover);
        color: #FFFFFF;
        transform: translateX(6px);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
    }

        .sb-group-header:hover .sb-icon {
            color: #FFFFFF;
            transform: scale(1.08);
        }

    .sb-group-header.open {
        color: #FFFFFF;
    }

        .sb-group-header.open .sb-arrow {
            transform: rotate(180deg);
        }

    /* Active parent header - Glassmorphism & load pulse shine */
    .sb-group-header.active {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(29, 78, 216, 0.15) 100%) !important;
        border: 1px solid rgba(37, 99, 235, 0.3) !important;
        backdrop-filter: blur(4px);
        box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2) !important;
        color: #FFFFFF !important;
        animation: activeLoadShine 1s cubic-bezier(0.4, 0, 0.2, 1) 1;
    }

        .sb-group-header.active .sb-icon,
        .sb-group-header.active .sb-arrow {
            color: #FFFFFF !important;
        }

    /* ── Growing vertical left indicator bar on hover ── */
    .sb-group-header::before,
    .sb-item::before {
        content: '';
        position: absolute;
        left: 4px;
        top: 50%;
        transform: translateY(-50%) scaleY(0);
        transform-origin: top;
        width: 4px;
        height: 18px;
        border-radius: 2px;
        background: #2563EB; /* Vibrant blue indicator */
        transition: transform var(--sb-transition);
        pointer-events: none;
    }

    .sb-group-header:hover::before,
    .sb-item:hover::before {
        transform: translateY(-50%) scaleY(1);
    }

    .sb-group-header.active::before,
    .sb-item.active::before {
        transform: translateY(-50%) scaleY(1) !important;
    }

/* ── Submenu Children Container (Height + Opacity Animation) ── */
.sb-group-children {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-8px);
    transition: max-height var(--sb-transition), opacity var(--sb-transition), transform var(--sb-transition);
    background: transparent; /* Seamless, no background container */
    border-left: none; /* No vertical line */
    margin-left: 24px; /* Indent items */
    margin-right: 10px;
    margin-top: 4px;
    margin-bottom: 6px;
    padding: 0;
}

    .sb-group-children.open {
        max-height: 600px;
        opacity: 1;
        transform: translateY(0);
    }

/* ── Nav Item (Child / Subpage Links) ── */
.sb-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    margin: 2px 6px;
    border-radius: 6px;
    color: var(--sb-text);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    user-select: none;
    /* Stagger slide-in settings defaults */
    opacity: 0;
    transform: translateY(-10px);
    transition: transform var(--sb-transition), background var(--sb-transition), color var(--sb-transition), opacity var(--sb-transition), box-shadow var(--sb-transition);
}

/* Reset stagger translate states when open */
.sb-group-children.open .sb-item {
    opacity: 1;
    left: 10px;
    transform: translateY(0);
}

    /* Stagger delay offsets when expanding */
    .sb-group-children.open .sb-item:nth-child(1) {
        transition-delay: 0.03s;
    }

    .sb-group-children.open .sb-item:nth-child(2) {
        transition-delay: 0.06s;
    }

    .sb-group-children.open .sb-item:nth-child(3) {
        transition-delay: 0.09s;
    }

    .sb-group-children.open .sb-item:nth-child(4) {
        transition-delay: 0.12s;
    }

    .sb-group-children.open .sb-item:nth-child(5) {
        transition-delay: 0.15s;
    }

    .sb-group-children.open .sb-item:nth-child(6) {
        transition-delay: 0.18s;
    }

    .sb-group-children.open .sb-item:nth-child(7) {
        transition-delay: 0.21s;
    }

    .sb-group-children.open .sb-item:nth-child(8) {
        transition-delay: 0.24s;
    }

.sb-item .sb-icon {
    font-size: 1rem;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
    color: var(--sb-icon-color);
    transition: transform var(--sb-transition), color var(--sb-transition);
}

.sb-item .sb-label {
    flex: 1;
    font-size: 17px;
    transition: opacity var(--sb-transition);
}

/* Child item hover effect */
.sb-item:hover {
    background: var(--sb-parent-hover);
    color: #FFFFFF;
    transform: translateX(6px) !important; /* Slide right (forces override of open translate) */
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.08);
}

    .sb-item:hover .sb-icon {
        color: #FFFFFF;
        transform: scale(1.08);
    }

/* Active child styling with load pulse shine */
.sb-item.active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(29, 78, 216, 0.15) 100%) !important;
    border: 1px solid rgba(37, 99, 235, 0.3) !important;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2) !important;
    color: #FFFFFF !important;
    font-weight: 600;
    animation: activeLoadShine 1s cubic-bezier(0.4, 0, 0.2, 1) 1;
}

    .sb-item.active .sb-icon {
        color: #FFFFFF !important;
    }

/* Active menu item once-off shine pulse keyframes */
@keyframes activeLoadShine {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.6);
    }

    100% {
        box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
    }
}

/* ── Collapsed Sidebar Improvements ── */
#appSidebar.sb-collapsed .sb-group-children {
    max-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

#appSidebar.sb-collapsed .sb-group-header,
#appSidebar.sb-collapsed .sb-item {
    justify-content: center;
    padding: 10px 0;
    margin: 4px 10px;
    border-radius: 8px;
}

    #appSidebar.sb-collapsed .sb-group-header .sb-label,
    #appSidebar.sb-collapsed .sb-group-header .sb-arrow,
    #appSidebar.sb-collapsed .sb-item .sb-label {
        opacity: 0;
        width: 0;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }

    #appSidebar.sb-collapsed .sb-group-header .sb-icon,
    #appSidebar.sb-collapsed .sb-item .sb-icon {
        width: 24px;
        height: 24px;
        font-size: 1.25rem;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--sb-icon-color);
        transition: transform var(--sb-transition), box-shadow var(--sb-transition);
    }

    #appSidebar.sb-collapsed .sb-group-header:hover,
    #appSidebar.sb-collapsed .sb-item:hover {
        background: var(--sb-parent-hover);
        transform: none !important; /* No sliding in collapsed mode */
    }

    /* Active collapsed indicators */
    #appSidebar.sb-collapsed .sb-group-header.active,
    #appSidebar.sb-collapsed .sb-item.active {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(29, 78, 216, 0.15) 100%) !important;
        border: 1px solid rgba(37, 99, 235, 0.3) !important;
        color: #FFFFFF !important;
    }

        /* Active Collapsed Icon Ring Pulse */
        #appSidebar.sb-collapsed .sb-group-header.active .sb-icon,
        #appSidebar.sb-collapsed .sb-item.active .sb-icon {
            color: #FFFFFF !important;
            animation: activeRingPulse 2s infinite;
            border-radius: 50%;
        }

@keyframes activeRingPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.6);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(37, 99, 235, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

#appSidebar.sb-collapsed .sb-item.active::before {
    display: none; /* Hide standard indicator bar in collapsed mode */
}

/* ── Tooltips (Collapsed Mode Only - Smooth scale and fade-in) ── */
.sb-item[data-tip]::after,
.sb-group-header[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    left: calc(var(--sb-collapsed) + 8px);
    top: 50%;
    transform: translateY(-50%) scale(0.92);
    background: #1E293B;
    color: #FFFFFF;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s var(--sb-transition), transform 0.2s var(--sb-transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    z-index: 9999;
    transform-origin: left center;
}

#appSidebar.sb-collapsed .sb-item[data-tip]:hover::after,
#appSidebar.sb-collapsed .sb-group-header[data-tip]:hover::after {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

/* ── Footer ── */
.sb-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--sb-border);
    border-right: 1px solid var(--sb-border);
    background: var(--sb-bg); /* Darker blue shade to differentiate footer */
    flex-shrink: 0;
    overflow: hidden;
}

.sb-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sb-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: #FFFFFF;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.sb-user-info {
    overflow: hidden;
    transition: opacity var(--sb-transition);
}

    .sb-user-info strong {
        display: block;
        font-size: 0.78rem;
        color: var(--sb-text);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .sb-user-info small {
        font-size: 0.64rem;
        color: var(--sb-text-dim);
    }

#appSidebar.sb-collapsed .sb-user-info {
    opacity: 0;
    width: 0;
}

/* ── Profile Dropdown in Navbar ── */
.nav-profile-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    padding: 6px 14px 6px 8px;
    cursor: pointer;
    color: #FFFFFF;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.2s;
    position: relative;
}

    .nav-profile-btn:hover {
        background: rgba(255, 255, 255, 0.18);
    }

.nav-profile-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563EB, #1D4ED8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #FFFFFF;
    flex-shrink: 0;
}

.nav-profile-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #FFFFFF;
    border: 1px solid var(--sb-border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    min-width: 190px;
    z-index: 2000;
    overflow: hidden;
    display: none;
}

    .nav-profile-dropdown.open {
        display: block;
    }

    .nav-profile-dropdown .npd-header {
        padding: 12px 16px 8px;
        border-bottom: 1px solid var(--sb-border);
    }

        .nav-profile-dropdown .npd-header strong {
            display: block;
            font-size: 0.88rem;
            color: var(--sb-text);
        }

        .nav-profile-dropdown .npd-header small {
            font-size: 0.75rem;
            color: var(--sb-text-dim);
        }

    .nav-profile-dropdown a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 16px;
        font-size: 0.85rem;
        color: var(--sb-text);
        text-decoration: none;
        transition: background 0.15s;
    }

        .nav-profile-dropdown a:hover {
            background: var(--sb-parent-hover);
        }

        .nav-profile-dropdown a.logout {
            color: #C0392B;
            border-top: 1px solid var(--sb-border);
        }

            .nav-profile-dropdown a.logout:hover {
                background: rgba(192, 57, 67, 0.05);
            }

/* ── Role-based Visibility ── */
[data-roles] {
    display: none;
}

/* ── Mobile Overlay ── */
.sb-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 1049;
    backdrop-filter: blur(4px);
}

/* ── Dynamic Navbar Alignment Shifts ── */
.app-navbar {
    padding-left: var(--sb-width) !important;
    transition: padding-left var(--sb-transition);
}

.sb-main.sb-main-collapsed .app-navbar {
    padding-left: var(--sb-collapsed) !important;
}

/* ── Responsive media queries ── */
@media (max-width: 991px) {
    #appSidebar {
        width: var(--sb-width) !important;
        transform: translateX(-100%);
        transition: transform var(--sb-transition);
        background: var(--sb-bg); /* Solid overlay background on mobile */
        border-right: 1px solid var(--sb-border);
        pointer-events: auto; /* Enable touch overlay drag interaction */
    }

        #appSidebar.sb-mobile-open {
            transform: translateX(0);
        }

    .sb-main,
    .sb-main.sb-main-collapsed {
        margin-left: 0 !important;
        padding-top: 0 !important; /* Remove fixed spacing on mobile */
    }

    .sb-overlay.active {
        display: block;
    }

    .sb-mobile-btn {
        display: flex !important;
    }

    .sb-toggle {
        display: none;
    }

    .app-navbar {
        padding-left: 15px !important;
    }

    .sb-header {
        background: linear-gradient(135deg, #00003D 0%, #000066 60%, #000080 100%);
        border-bottom: 2px solid #1A1AAF;
    }

    .sb-role-wrap, .sb-nav, .sb-footer {
        border-right: none;
    }
}

/* ── Mobile hamburger icon ── */
.sb-mobile-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: none;
    color: #FFFFFF;
    font-size: 1.2rem;
    cursor: pointer;
    margin-right: 10px;
    transition: background 0.2s;
}

    .sb-mobile-btn:hover {
        background: rgba(255, 255, 255, 0.22);
    }