/* ==========================================
   EIP Org Chart & Directory Stylesheet
   Theme: Sleek Dark Glassmorphism
   ========================================== */

:root {
    /* Color Palette - HSL Tailored */
    --bg-main: hsl(222, 25%, 11%);
    --bg-sidebar: hsl(222, 28%, 7%);
    --bg-card: hsla(222, 25%, 16%, 0.6);
    --bg-card-hover: hsla(222, 25%, 22%, 0.8);
    --border-color: hsla(222, 20%, 30%, 0.25);
    
    --accent: hsl(201, 90%, 55%);
    --accent-glow: hsla(201, 90%, 55%, 0.25);
    --accent-secondary: hsl(260, 75%, 65%);
    
    --text-primary: hsl(210, 20%, 95%);
    --text-secondary: hsl(210, 15%, 70%);
    --text-muted: hsl(210, 10%, 50%);
    
    /* Layout & Shadow */
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px 0 var(--accent-glow);
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Logo & Modal specific variable wrappers */
    --logo-gradient: linear-gradient(to right, #fff, hsl(210, 15%, 85%));
    --modal-bg: linear-gradient(135deg, hsla(222, 25%, 15%, 0.9), hsla(222, 25%, 10%, 0.95));
    --modal-border: hsla(0, 0%, 100%, 0.1);
}

.light-mode {
    --bg-main: hsl(220, 20%, 95%);
    --bg-sidebar: hsl(220, 20%, 90%);
    --bg-card: hsla(220, 20%, 100%, 0.7);
    --bg-card-hover: hsla(220, 20%, 100%, 0.95);
    --border-color: hsla(220, 15%, 80%, 0.35);
    
    --accent: hsl(201, 90%, 45%);
    --accent-glow: hsla(201, 90%, 45%, 0.15);
    --accent-secondary: hsl(260, 60%, 55%);
    
    --text-primary: hsl(222, 25%, 15%);
    --text-secondary: hsl(222, 15%, 35%);
    --text-muted: hsl(222, 10%, 55%);
    
    --logo-gradient: linear-gradient(to right, hsl(222, 25%, 15%), hsl(222, 15%, 35%));
    --modal-bg: linear-gradient(135deg, hsla(220, 20%, 98%, 0.95), hsla(220, 20%, 94%, 0.98));
    --modal-border: hsla(220, 15%, 80%, 0.5);
    --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.15);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Inter', 'Microsoft JhengHei', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* App Container Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: 320px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.nav-toggle-container {
    margin-top: 16px;
}

.nav-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    background: hsla(201, 90%, 55%, 0.15);
    border: 1px solid hsla(201, 90%, 55%, 0.35);
    border-radius: var(--radius-md);
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
}

.nav-toggle-btn:hover {
    background: linear-gradient(135deg, hsla(201, 90%, 55%, 0.8), hsla(260, 75%, 65%, 0.8));
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.nav-toggle-btn i {
    font-size: 14px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 26px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px var(--accent-glow));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
}

/* Company Select Tabs */
.company-tabs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-fast);
}

.tab-btn i {
    font-size: 16px;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
    background-color: hsla(222, 20%, 20%, 0.3);
    border-color: hsla(201, 90%, 55%, 0.4);
}

.tab-btn.active {
    color: #fff;
    background: linear-gradient(135deg, hsla(201, 90%, 55%, 0.8), hsla(260, 75%, 65%, 0.8));
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.tab-btn.active i {
    transform: scale(1.1);
}

/* Org Tree Section */
.org-tree-section {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 20px 0;
}

.section-title {
    padding: 0 24px 12px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tree-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    padding: 0 16px;
}

/* Custom Scrollbar for Tree & Grid */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: hsla(222, 20%, 40%, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsla(201, 90%, 55%, 0.4);
}

/* Tree Render Nodes CSS */
.tree-node-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 13.5px;
    color: var(--text-secondary);
    user-select: none;
    margin-bottom: 2px;
}

.tree-node-item:hover {
    background-color: hsla(222, 20%, 20%, 0.4);
    color: var(--text-primary);
}

.tree-node-item.selected {
    background-color: hsla(201, 90%, 55%, 0.15);
    color: var(--accent);
    font-weight: 600;
    border-left: 3px solid var(--accent);
    padding-left: 5px; /* Adjust padding due to border */
}

.tree-toggle-icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 10px;
    transition: var(--transition-fast);
}

.tree-node-item:hover .tree-toggle-icon {
    color: var(--text-secondary);
}

.tree-node-item.expanded .tree-toggle-icon {
    transform: rotate(90deg);
}

.tree-node-icon {
    color: var(--accent);
    font-size: 14px;
    opacity: 0.8;
}

.tree-node-children {
    padding-left: 18px;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
    max-height: 5000px; /* Large max-height for animation transition */
}

.tree-node-children.collapsed {
    max-height: 0 !important;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top Action Bar */
.top-bar {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.search-container {
    position: relative;
    flex-grow: 1;
    max-width: 600px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

#search-input {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 44px 14px 44px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition-fast);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

#search-input:focus {
    border-color: var(--accent);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 12px var(--accent-glow);
}

.clear-btn {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
}

.clear-btn:hover {
    color: var(--text-primary);
}

.stats-badge {
    background-color: hsla(222, 20%, 20%, 0.5);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.stats-badge strong {
    color: var(--accent);
    font-size: 16px;
}

/* Filter Info Bar */
.filter-info-bar {
    background-color: hsla(201, 90%, 55%, 0.08);
    border-bottom: 1px solid hsla(201, 90%, 55%, 0.2);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.filter-text {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

#active-filter-dept {
    color: var(--accent);
    font-weight: 600;
}

.reset-filter-btn {
    background: none;
    border: none;
    color: hsl(0, 80%, 65%);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.reset-filter-btn:hover {
    color: hsl(0, 90%, 75%);
    transform: scale(1.02);
}

/* Cards Grid Container */
.cards-grid-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 24px;
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* Contact Card Item Styles (Premium Glassmorphism) */
.contact-card-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* Hover Accent Overlay Glow */
.contact-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition-fast);
}

.contact-card-item:hover {
    transform: translateY(-4px);
    border-color: hsla(201, 90%, 55%, 0.35);
    background-color: var(--bg-card-hover);
    box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.6), 0 0 15px hsla(201, 90%, 55%, 0.1);
}

.contact-card-item:hover::before {
    opacity: 1;
}

.card-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.card-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.card-name-title {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.card-job-title {
    font-size: 12.5px;
    color: var(--accent);
    font-weight: 500;
}

.card-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13.5px;
}

.detail-line {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.detail-line i {
    width: 16px;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.detail-line .val {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Spinner / Empty Info */
.loading-spinner {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 16px;
}

.loading-spinner i {
    font-size: 24px;
    color: var(--accent);
}

.no-results {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: var(--text-secondary);
    text-align: center;
}

.no-results i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.no-results p {
    font-size: 16px;
    margin-bottom: 8px;
}

.no-results span {
    font-size: 13.5px;
    color: var(--text-muted);
}

/* Glassmorphism Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(6, 10, 20, 0.65);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-card {
    width: 480px;
    background: var(--modal-bg);
    border: 1px solid var(--modal-border);
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-soft);
    animation: scaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleUp {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close-btn:hover {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.6);
    transform: rotate(90deg);
}

.modal-header-bg {
    height: 120px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    opacity: 0.65;
    position: relative;
}

.modal-profile-img-container {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid var(--bg-main);
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: var(--shadow-soft);
    z-index: 2;
    transition: var(--transition-fast);
}

.modal-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-body {
    padding: 32px 32px 36px 32px;
    text-align: center;
}

.modal-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.modal-ename {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
    min-height: 18px;
}

.modal-title-dept {
    font-size: 14.5px;
    color: var(--accent);
    font-weight: 600;
}

.modal-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, hsla(0, 0%, 100%, 0.1), transparent);
    margin: 24px 0;
}

.modal-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    text-align: left;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.detail-icon {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 3px;
    width: 20px;
    text-align: center;
}

.detail-content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.detail-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.detail-value {
    font-size: 13.5px;
    color: var(--text-secondary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#modal-email.detail-value {
    user-select: all; /* Allow easy copy */
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .sidebar {
        width: 280px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 400px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .company-tabs {
        flex-direction: row;
        overflow-x: auto;
        padding: 12px 16px;
    }
    
    .tab-btn {
        padding: 8px 14px;
        white-space: nowrap;
        font-size: 13px;
    }
    
    .org-tree-section {
        padding: 10px 0;
        max-height: 250px;
    }
    
    .top-bar {
        padding: 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .search-container {
        max-width: 100%;
    }
    
    .stats-badge {
        justify-content: center;
    }
    
    .cards-grid-container {
        padding: 16px;
    }
    
    .modal-card {
        width: 90%;
        margin: 20px;
    }
    
    .modal-details-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Sidebar Toolbar & Buttons */
.sidebar-toolbar {
    display: flex;
    gap: 8px;
    padding: 0 24px 16px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 12px;
}

.toolbar-btn {
    flex: 1;
    background-color: hsla(222, 25%, 16%, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.light-mode .toolbar-btn {
    background-color: hsla(220, 20%, 98%, 0.8);
}

.toolbar-btn:hover {
    color: var(--text-primary);
    background-color: hsla(222, 20%, 20%, 0.5);
    border-color: var(--accent);
}

.light-mode .toolbar-btn:hover {
    background-color: hsla(220, 20%, 100%, 1);
}

/* Password Lock Overlay */
.password-lock-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(6, 10, 20, 0.85);
    backdrop-filter: blur(15px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.password-card {
    width: 380px;
    padding: 32px;
    background: linear-gradient(135deg, hsla(222, 25%, 18%, 0.9), hsla(222, 25%, 12%, 0.95));
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.8), 0 0 30px 0 hsla(201, 90%, 55%, 0.1);
    text-align: center;
    animation: scaleUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.light-mode .password-card {
    background: linear-gradient(135deg, hsla(220, 20%, 98%, 0.95), hsla(220, 20%, 94%, 0.98));
    border: 1px solid hsla(220, 15%, 80%, 0.5);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.15);
}

.lock-icon {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.password-card h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.password-card p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.input-group {
    display: flex;
    gap: 8px;
}

.input-group input {
    flex-grow: 1;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition-fast);
}

.input-group input:focus {
    border-color: var(--accent);
}

.input-group button {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border: none;
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.input-group button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.error-msg {
    color: hsl(0, 80%, 60%);
    font-size: 12.5px;
    margin-top: 12px;
    min-height: 16px;
    font-weight: 500;
}