:root {
    /* Executive Palette */
    --bg-base: #0a0a0c;
    --bg-surface: #121215;
    --bg-elevated: #1a1a1f;
    --border-dim: rgba(255, 255, 255, 0.04);
    --border-mid: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f1f1f3;
    --text-secondary: #8e8e93;
    --text-muted: #5c5c62;
    
    --gold: #c5a059;
    --gold-dim: #8a6d3b;
    --gold-glow: rgba(197, 160, 89, 0.15);
    
    --status-pending: #eab308;
    --status-active: #3b82f6;
    --status-success: #10b981;
    --status-error: #ef4444;
    
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-luxe: 0 30px 60px rgba(0, 0, 0, 0.5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body.admin-body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    height: 100vh;
}

/* ── Sidebar: Institutional Focus ── */
.admin-sidebar {
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-mid);
    padding: 3rem 1.5rem;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    margin-bottom: 5rem;
    padding-left: 0.5rem;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--gold);
    text-transform: uppercase;
}

.brand-tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    color: var(--text-muted);
    margin-top: 0.5rem;
    display: block;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0.85rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.25s var(--ease-smooth);
    text-align: left;
}

.nav-btn svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
    transition: opacity 0.25s;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.nav-btn:hover svg { opacity: 1; }

.nav-btn.active {
    background: var(--gold-glow);
    color: var(--gold);
}

.nav-btn.active svg { color: var(--gold); opacity: 1; }

.badge-count {
    background: var(--gold);
    color: var(--bg-base);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: auto;
}

.menu-divider {
    height: 1px;
    background: var(--border-dim);
    margin: 2rem 0.5rem;
}

/* ── Main Workspace: Refined Data Surface ── */
.admin-workspace {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #0a0a0c 0%, #0e0e11 100%);
    overflow: hidden;
}

.workspace-header {
    height: 70px;
    border-bottom: 1px solid var(--border-mid);
    padding: 0 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(20px);
}

.header-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 600;
}

.crumb { color: var(--text-muted); }
.crumb-sep { color: var(--border-mid); }
.crumb-active { color: var(--gold); }

.exit-link {
    text-decoration: none;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-mid);
    border-radius: 4px;
    transition: 0.2s;
}

.exit-link:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ── Tab Layout & Content ── */
.tab-content-container {
    flex: 1;
    overflow-y: auto;
    padding: 4rem;
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: contentFade 0.6s var(--ease-smooth); }

@keyframes contentFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-intro { margin-bottom: 4rem; }
.view-intro h1 {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
}

.view-intro p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
    max-width: 600px;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-mid);
    padding: 2rem;
    border-radius: 12px;
    transition: transform 0.3s var(--ease-smooth);
}

.stat-card:hover { transform: translateY(-4px); border-color: var(--gold-dim); }

.stat-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--text-muted); margin-bottom: 1rem; display: block; }
.stat-value { font-size: 1.8rem; font-weight: 400; font-family: var(--font-sans); }
.stat-trend { font-size: 0.7rem; margin-top: 0.75rem; display: block; }
.trend-up { color: var(--status-success); }

/* ── Custom Data Table ── */
.table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-mid);
    border-radius: 12px;
    overflow: hidden;
}

.management-table {
    width: 100%;
    border-collapse: collapse;
}

.management-table th {
    padding: 1.25rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    text-align: left;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-mid);
}

.management-table td {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-dim);
    font-size: 0.9rem;
    vertical-align: middle;
}

.data-row { transition: background 0.2s; cursor: pointer; }
.data-row:hover { background: rgba(255, 255, 255, 0.015); }

/* Status Pill: Professional Alignment */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-pill::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
}

.status-pill.pending { background: rgba(234, 179, 8, 0.1); color: var(--status-pending); }
.status-pill.pending::before { background: var(--status-pending); }

.status-pill.approved { background: rgba(16, 185, 129, 0.1); color: var(--status-success); }
.status-pill.approved::before { background: var(--status-success); }

/* Client Cells */
.client-cell { display: flex; align-items: center; gap: 1rem; }
.client-avatar {
    width: 36px; height: 36px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-mid);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gold);
}

.client-name { font-weight: 500; display: block; margin-bottom: 0.15rem; }
.client-sub { font-size: 0.75rem; color: var(--text-muted); }

/* Action Buttons */
.action-cluster { display: flex; gap: 0.5rem; justify-content: flex-end; }

.btn-icon-luxe {
    background: var(--bg-elevated);
    border: 1px solid var(--border-mid);
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-icon-luxe:hover { border-color: var(--gold); color: var(--gold); }
.btn-icon-luxe.reject:hover { border-color: var(--status-error); color: var(--status-error); }

/* ── Modals ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: 0.4s var(--ease-smooth);
}

.modal-overlay.active { display: flex; opacity: 1; }

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-mid);
    width: 100%;
    max-width: 600px;
    padding: 4rem;
    border-radius: 4px;
    position: relative;
    box-shadow: var(--shadow-luxe);
    transform: scale(0.95);
    transition: 0.4s var(--ease-smooth);
}

.modal-overlay.active .modal-content { transform: scale(1); }

.close-modal {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
}

/* ── Notifications ── */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 2000;
}

.toast {
    background: var(--bg-surface);
    border-left: 2px solid var(--gold);
    padding: 1.25rem 2.5rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    box-shadow: var(--shadow-luxe);
    animation: toastSlide 0.5s var(--ease-smooth) forwards;
}

@keyframes toastSlide {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ── Mobile & Tablet Responsiveness ── */
.mobile-header {
    display: none;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .view-intro h1 {
        font-size: 2.2rem;
    }
    
    .admin-layout {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 768px) {
    body.admin-body {
        overflow-y: hidden; /* Prevent body scroll, everything scrolls inside layout */
        height: 100vh;
    }

    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 1.5rem;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-mid);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .mobile-brand {
        font-family: var(--font-serif);
        font-weight: 700;
        letter-spacing: 0.15em;
        color: var(--gold);
        font-size: 1.2rem;
    }

    .mobile-menu-btn {
        background: none;
        border: none;
        color: var(--text-primary);
        cursor: pointer;
        display: flex;
        align-items: center;
    }

    .admin-layout {
        display: flex;
        flex-direction: column;
        height: calc(100vh - 65px); /* Remaining height after header */
    }

    /* Off-canvas sidebar */
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s var(--ease-smooth);
        border-right: 1px solid var(--border-mid);
        padding: 2rem 1.5rem;
        background: var(--bg-surface);
    }

    .admin-sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 999;
        display: none;
        opacity: 0;
        transition: opacity 0.3s;
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    .sidebar-brand {
        margin-bottom: 3rem;
        padding-left: 0.5rem;
        text-align: left;
    }

    .sidebar-menu {
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 0;
    }

    .nav-btn {
        padding: 1rem;
        font-size: 0.9rem;
        justify-content: flex-start;
        display: flex;
    }

    .nav-btn svg {
        display: block;
    }

    .menu-divider {
        display: block;
    }

    .admin-workspace {
        flex: 1;
        overflow-y: auto; /* Proper scrolling for content */
    }

    .workspace-header {
        padding: 1rem 1.5rem;
        height: auto;
        min-height: auto;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .header-actions {
        align-self: flex-start;
    }

    .tab-content-container {
        padding: 1.5rem;
        overflow-y: visible;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .view-intro {
        margin-bottom: 2rem;
    }

    .view-intro h1 {
        font-size: 1.8rem;
    }

    /* Override inline grid styles in admin.html */
    div[style*="grid-template-columns: 2fr 1fr"],
    div[style*="grid-template-columns: 1fr 1fr"] {
        display: flex !important;
        flex-direction: column;
        gap: 1.5rem !important;
    }

    .table-container {
        overflow-x: hidden;
        padding: 1rem !important;
    }

    .table-container[style*="padding: 3rem;"],
    .table-container[style*="padding: 2rem;"] {
        padding: 1rem !important;
    }

    .management-table, 
    .management-table tbody, 
    .management-table td {
        display: block;
        width: 100%;
    }

    .management-table thead {
        display: none;
    }

    .management-table tr.data-row {
        display: flex;
        flex-direction: column;
        padding: 1rem 0;
        border-bottom: 1px dashed var(--border-mid);
    }
    
    .management-table tr.data-row:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .management-table tr.data-row:first-child {
        padding-top: 0;
    }

    .management-table td {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        padding: 0.75rem 0 !important;
        border-bottom: none !important;
        text-align: left !important;
        white-space: normal;
        gap: 0.25rem;
    }
    
    .management-table td::before {
        font-size: 0.6rem;
        text-transform: uppercase;
        letter-spacing: 0.15em;
        color: var(--text-muted);
        font-weight: 700;
        white-space: nowrap;
        text-align: left;
        margin-bottom: 0.25rem;
    }

    #tab-overview .management-table td:nth-child(1)::before { content: "Target"; }
    #tab-overview .management-table td:nth-child(2)::before { content: "Lead Client"; }
    #tab-overview .management-table td:nth-child(3)::before { content: "Status"; }

    #tab-inquiries .management-table td:nth-child(1)::before { content: "Status"; }
    #tab-inquiries .management-table td:nth-child(2)::before { content: "Principal Client"; }
    #tab-inquiries .management-table td:nth-child(3)::before { content: "Destination Focus"; }
    #tab-inquiries .management-table td:nth-child(4)::before { content: "Est. Budget"; }
    #tab-inquiries .management-table td:nth-child(5)::before { content: "Management Actions"; }

    #tab-clients .management-table td:nth-child(1)::before { content: "Member"; }
    #tab-clients .management-table td:nth-child(2)::before { content: "Tier Status"; }
    #tab-clients .management-table td:nth-child(3)::before { content: "Lifetime Expenditure"; }
    #tab-clients .management-table td:nth-child(4)::before { content: "Last Expedition"; }
    #tab-clients .management-table td:nth-child(5)::before { content: "Contact Record"; }

    .client-cell {
        gap: 0.75rem;
        flex-direction: row;
        text-align: left;
        width: 100%;
    }

    .action-cluster {
        width: 100%;
        justify-content: flex-start;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .btn-icon-luxe {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
    }

    .client-avatar {
        width: 34px;
        height: 34px;
        font-size: 0.75rem;
        flex-shrink: 0;
    }

    .client-name {
        font-size: 0.9rem;
        margin-bottom: 0.1rem;
    }

    .client-sub {
        font-size: 0.7rem;
        line-height: 1.2;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        width: 100%;
        max-width: none;
    }
    
    .modal-content h2 {
        font-size: 1.5rem !important;
        margin-bottom: 1rem !important;
    }
    
    .modal-content div[style*="grid-template-columns: 1fr 1fr"] {
        display: flex !important;
        flex-direction: column;
        gap: 1rem !important;
    }
}