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

:root {
    --bg-main: #F8FAFC;
    --bg-sidebar: #FFFFFF;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;
    
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    --text-dim: #94A3B8;

    --accent-blue: #2563EB;
    --accent-blue-hover: #1D4ED8;
    --accent-blue-light: #EFF6FF;
    
    --accent-emerald: #059669;
    --bg-emerald-light: #ECFDF5;
    --border-emerald-light: #A7F3D0;

    --accent-amber: #D97706;
    --bg-amber-light: #FFFBEB;
    --border-amber-light: #FDE68A;

    --accent-rose: #DC2626;
    --bg-rose-light: #FEF2F2;
    --border-rose-light: #FECACA;

    --card-shadow: 0 2px 12px -1px rgba(15, 23, 42, 0.04), 0 1px 4px -1px rgba(15, 23, 42, 0.02);
    --card-shadow-hover: 0 6px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
    
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    font-weight: 700;
}

#app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
    background-color: var(--bg-main);
}

/* SIDEBAR STYLING - COMPACT MODERN LIGHT MODE */
.sidebar {
    width: 250px;
    min-width: 250px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    gap: 4px;
    box-shadow: 2px 0 10px rgba(15, 23, 42, 0.02);
    z-index: 10;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px 14px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 22px;
}

.sidebar-category {
    font-family: var(--font-heading);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin: 12px 10px 4px 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 7px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease-in-out;
}

.nav-item:hover {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
}

.nav-item.active {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue);
    font-weight: 700;
    border-left: 3px solid var(--accent-blue);
}

.nav-item .icon {
    font-size: 15px;
}

/* MAIN CONTENT LAYOUT */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-y: auto;
}

.top-header {
    height: 64px;
    padding: 0 28px;
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
}

.header-title h2 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
}

.header-title caption {
    display: block;
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--text-muted);
    text-align: left;
    margin-top: 1px;
}

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

.site-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #F1F5F9;
    border: 1px solid var(--border-color);
    padding: 5px 12px;
    border-radius: 7px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 10px;
    border-left: 1px solid var(--border-color);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-blue-light);
    color: var(--accent-blue);
    border: 1.5px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 13px;
}

/* VIEW CONTAINER & PADDINGS - COMPACT SPACING */
.view-container {
    padding: 24px 28px;
    max-width: 1500px;
    margin: 0 auto;
    width: 100%;
}

.glass-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 22px 26px;
    margin-bottom: 20px;
}

.glass-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 18px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.02);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.glass-card:hover {
    box-shadow: var(--card-shadow-hover);
}

/* METRICS GRID - COMPACT CARDS */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.metric-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
}

.metric-info h4 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.metric-info .value {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.metric-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
}

.icon-cyan { background: #ECFEFF; color: #0891B2; }
.icon-emerald { background: #ECFDF5; color: #059669; }
.icon-amber { background: #FFFBEB; color: #D97706; }
.icon-rose { background: #FEF2F2; color: #DC2626; }

/* TABS */
.tabs-header {
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 18px;
    padding-bottom: 6px;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 8px 14px;
    border-radius: 7px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.tab-btn:hover {
    background: var(--bg-main);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
    font-weight: 700;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* FORM STYLING - COMPACT INPUTS */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-primary);
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2.5px rgba(37, 99, 235, 0.12);
}

.btn-primary {
    background: var(--accent-blue);
    color: #FFFFFF;
    border: none;
    padding: 8px 16px;
    border-radius: 7px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 1.5px 3px rgba(37, 99, 235, 0.18);
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-0.5px);
    box-shadow: 0 3px 8px rgba(37, 99, 235, 0.22);
}

/* WINDOWS EXPLORER TREE VIEW FOR MULTI-TENANT HIERARCHY */
.tree-container {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 20px;
    font-size: 13px;
}

.tree-node {
    margin-bottom: 8px;
}

.tree-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: 7px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    transition: background 0.15s ease;
}

.tree-header:hover {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
}

.tree-children {
    padding-left: 24px;
    margin-top: 6px;
    border-left: 2px solid var(--border-color);
    margin-left: 12px;
    display: none;
}

.tree-children.open {
    display: block;
}

.tree-subnode {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    margin: 4px 0;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 600;

    cursor: pointer;
}

.tree-subnode:hover {
    background: #F1F5F9;
}

.tree-leaf {
    padding: 4px 8px 4px 28px;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tree-action-btn {
    background: var(--accent-blue-light);
    color: var(--accent-blue);
    border: 1px solid rgba(37, 99, 235, 0.25);
    padding: 2px 8px;
    border-radius: 5px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.tree-action-btn:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
    transform: translateY(-0.5px);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}

/* AREA SHADED CARDS & INDENTED SUB-OPERATIONS */
.area-card-box {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.02);
    transition: all 0.15s ease;
}

.area-card-box:hover {
    border-color: var(--border-hover);
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.04);
}

.area-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.sub-ops-container {
    margin-top: 8px;
    padding-left: 14px;
    border-left: 2.5px solid var(--accent-blue);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sub-op-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* TABLES - COMPACT DENSE ROWS */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
    text-align: left;
    background: #FFFFFF;
}

.data-table th {
    background: #F8FAFC;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-secondary);
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: #F8FAFC;
}

/* BADGES - COMPACT */
.badge-pass {
    background: var(--bg-emerald-light);
    color: var(--accent-emerald);
    border: 1px solid var(--border-emerald-light);
    padding: 2px 9px;
    border-radius: 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 11px;
    display: inline-block;
}

.badge-fail {
    background: var(--bg-rose-light);
    color: var(--accent-rose);
    border: 1px solid var(--border-rose-light);
    padding: 2px 9px;
    border-radius: 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 11px;
    display: inline-block;
}

.badge-pending {
    background: var(--bg-amber-light);
    color: var(--accent-amber);
    border: 1px solid var(--border-amber-light);
    padding: 2px 9px;
    border-radius: 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 11px;
    display: inline-block;
}

/* TOAST NOTIFICATION CONTAINER */
#toast-container {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast-msg {
    pointer-events: auto;
    background: #0F172A;
    color: #FFFFFF;
    padding: 10px 16px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 12.5px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: toastIn 0.22s ease-out forwards;
}

.toast-msg.toast-success {
    background: #059669;
}

.toast-msg.toast-error {
    background: #DC2626;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}