/* ==========================================================================
   ENTERPRISE SYSTEM STRUCTURAL CSS (#3771AD COLOR PALETTE SYSTEM)
   ========================================================================== */

:root {
    /* --- #3771AD THEME COLOR PALETTE & SHADES --- */
    --sys-primary-action: #3771AD;       /* Primary brand action color */
    --sys-primary-action-hover: #2b5a8c; /* Darker hover shade */
    --sys-primary-action-light: #eaf1f8; /* Light tint for active/selection */

    --sys-page-bg: #f4f7fa;             /* Background of the application wrapper */
    --sys-card-bg: #ffffff;             /* Background of content cards and containers */
    --sys-border-color: #d8e2ec;         /* Neutral border color for cards, inputs, tables */
    --sys-primary-text: #0f172a;         /* Primary heading and body text (Black/Dark Slate) */
    --sys-muted-text: #5a6e85;           /* Muted/secondary text and subheadings */
    --sys-light-accent: #eef4fa;         /* Light tint background for hover states & tags */
    
    /* Sidebar Navigation Palette (#3771AD Deep Tone) */
    --sys-sidebar-bg: #1c3b5e;          /* Sidebar background (Deep #3771AD tone) */
    --sys-sidebar-hover: #264c78;       /* Sidebar link hover & active background */
    --sys-sidebar-border: #2c5687;      /* Sidebar right border & section dividers */
    --sys-sidebar-text: #b5cde5;        /* Sidebar navigation link text */
    --sys-sidebar-text-active: #ffffff; /* Active navigation item text */
    --sys-sidebar-header-text: #82a8d1; /* Section group header text */

    /* Semantic Status Tokens */
    --sys-success: #16a34a;
    --sys-success-bg: #f0fdf4;
    --sys-success-border: #bbf7d0;

    --sys-danger: #dc2626;
    --sys-danger-bg: #fef2f2;
    --sys-danger-border: #fecaca;

    --sys-warning: #d97706;
    --sys-warning-bg: #fffbeb;
    --sys-warning-border: #fde68a;

    --sys-info: #3771AD;
    --sys-info-bg: #eaf1f8;
    --sys-info-border: #b0cbe8;

    /* Layout Geometry & Dimensions */
    --sys-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --sys-base-font-size: 14px;
    --sys-radius: 6px;
    --sys-sidebar-width: 230px;
    --sys-topbar-height: 56px;
    --sys-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sys-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

/* --- Global Reset & Body Setup --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    font-family: var(--sys-font-family);
    font-size: var(--sys-base-font-size);
    color: var(--sys-primary-text);
    background-color: var(--sys-page-bg);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--sys-primary-action);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--sys-primary-action-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sys-font-family);
    color: var(--sys-primary-text);
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.ums-page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--sys-primary-text);
    letter-spacing: -0.01em;
    margin: 0;
}

/* --- Layout Architecture --- */
#ums-app-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
    position: relative;
    background-color: var(--sys-page-bg);
}

/* Fixed Left Sidebar (230px) */
.ums-sidebar {
    width: var(--sys-sidebar-width);
    min-width: var(--sys-sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background: linear-gradient(135deg, #1c3b5e 0%, #2b5a8c 100%);
    color: #e2edfa;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    scrollbar-width: none;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 2px 0 10px rgba(15, 23, 42, 0.08);
    transition: transform 0.25s ease;
}

.ums-sidebar::-webkit-scrollbar {
    display: none;
}

/* Brand Header */
.ums-brand-header {
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    text-decoration: none;
    text-align: center;
    background: transparent;
}

.ums-brand-logo {
    width: 130px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
}

.ums-brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ums-brand-title {
    font-size: 13.5px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

/* Navigation Lists & Items */
.ums-nav-group {
    padding: 8px 0 4px;
}

.ums-nav-header {
    padding: 8px 18px 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.65);
}

.ums-nav-list {
    list-style: none;
    padding: 0 8px;
    margin: 0;
}

.ums-nav-item {
    margin: 2px 0;
}

.ums-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: #d1e2f3;
    border-radius: var(--sys-radius);
    text-decoration: none;
    transition: all 0.15s ease;
}

.ums-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.ums-nav-link.active {
    background-color: rgba(255, 255, 255, 0.22);
    color: #ffffff;
    font-weight: 600;
    box-shadow: inset 3px 0 0 0 #f6c042;
}

/* Sidebar Dropdown Submenus */
.ums-nav-toggle {
    cursor: pointer;
}

.ums-nav-toggle .ums-dropdown-arrow {
    font-size: 11px;
    transition: transform 0.2s ease;
    opacity: 0.7;
}

.ums-nav-toggle:not(.collapsed) .ums-dropdown-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.ums-nav-submenu {
    list-style: none;
    padding-left: 10px;
    margin: 2px 0 6px 12px;
    border-left: 1.5px solid rgba(255, 255, 255, 0.2);
}

.ums-nav-submenu .ums-nav-link {
    padding: 6px 10px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.75);
}

.ums-nav-submenu .ums-nav-link:hover,
.ums-nav-submenu .ums-nav-link.active {
    color: #ffffff;
    background-color: var(--sys-sidebar-hover);
}

/* --- Main Area & Sticky Topbar --- */
.ums-main-wrapper {
    flex: 1;
    margin-left: var(--sys-sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    background-color: var(--sys-page-bg);
}

.ums-topbar {
    min-height: 64px;
    position: sticky;
    top: 0;
    z-index: 90;
    background-color: #ffffff;
    border-bottom: 1px solid var(--sys-border-color);
    padding: 6px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ums-topbar-left {
    display: flex;
    align-items: center;
    min-width: 140px;
}

.ums-topbar-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.ums-header-title-en {
    font-family: var(--sys-font-family);
    font-size: 17px;
    font-weight: 700;
    color: var(--sys-primary-text);
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.ums-header-title-mr {
    font-family: var(--sys-font-family);
    font-size: 15px;
    font-weight: 600;
    color: var(--sys-primary-action);
    line-height: 1.35;
}

.ums-topbar-user {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 140px;
    gap: 12px;
}

.ums-user-name {
    font-weight: 600;
    color: var(--sys-primary-text);
    font-size: 13.5px;
}

.ums-user-role-badge {
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--sys-radius);
    text-transform: uppercase;
    background-color: var(--sys-light-accent);
    color: var(--sys-primary-action);
    border: 1px solid var(--sys-border-color);
}

.ums-content {
    padding: 24px;
    flex: 1;
    min-width: 0;
}

/* --- Cards & Containers --- */
.card, .ums-card {
    background-color: var(--sys-card-bg);
    border: 1px solid var(--sys-border-color) !important;
    border-radius: var(--sys-radius) !important;
    box-shadow: var(--sys-shadow-sm) !important;
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header, .ums-card-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--sys-border-color) !important;
    padding: 12px 18px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--sys-primary-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body, .ums-card-body {
    padding: 18px;
}

.card-footer, .ums-card-footer {
    background-color: #fafbfc;
    border-top: 1px solid var(--sys-border-color);
    padding: 10px 18px;
}

/* Stat Cards Grid */
.ums-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.ums-stat-card {
    background: var(--sys-card-bg);
    border: 1px solid var(--sys-border-color);
    border-radius: var(--sys-radius);
    box-shadow: var(--sys-shadow-sm);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ums-stat-icon-square {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--sys-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background-color: var(--sys-light-accent);
    color: var(--sys-primary-action);
    border: 1px solid var(--sys-border-color);
}

.ums-stat-number {
    font-size: 22px;
    font-weight: 700;
    color: var(--sys-primary-text);
    line-height: 1.1;
}

.ums-stat-label {
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--sys-muted-text);
    letter-spacing: 0.4px;
    margin-top: 2px;
}

/* --- Analytics 70/30 Two-Column Grid --- */
.analytics-row {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(280px, 3fr);
    gap: 20px;
    width: 100%;
    margin-bottom: 20px;
    align-items: stretch;
}

.analytics-card {
    min-width: 0;
    width: 100%;
    margin-bottom: 0 !important;
    display: flex;
    flex-direction: column;
}

.analytics-card .card-body,
.analytics-card .ums-card-body {
    min-width: 0;
    overflow: hidden;
    flex: 1 1 auto;
}

@media (max-width: 991.98px) {
    .analytics-row {
        grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    }
}

@media (max-width: 768px) {
    .analytics-row {
        grid-template-columns: 1fr;
    }
}


/* --- Buttons --- */
.btn {
    border-radius: var(--sys-radius);
    font-size: 13.5px;
    font-weight: 500;
    padding: 7px 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    background-color: var(--sys-primary-action) !important;
    border-color: var(--sys-primary-action) !important;
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--sys-primary-action-hover) !important;
    border-color: var(--sys-primary-action-hover) !important;
}

.btn-secondary, .btn-outline-secondary {
    background-color: #ffffff !important;
    border-color: var(--sys-border-color) !important;
    color: var(--sys-primary-text) !important;
}

.btn-secondary:hover, .btn-outline-secondary:hover {
    background-color: var(--sys-light-accent) !important;
}

.btn-verify {
    background-color: var(--sys-success-bg) !important;
    border-color: var(--sys-success-border) !important;
    color: var(--sys-success) !important;
    font-weight: 600;
}

.btn-verify:hover {
    background-color: #dcfce7 !important;
}

/* --- Forms & Inputs --- */
.form-control, .form-select {
    font-size: 13.5px;
    border: 1px solid var(--sys-border-color);
    border-radius: var(--sys-radius);
    padding: 7px 12px;
    color: var(--sys-primary-text);
    background-color: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--sys-primary-action);
    box-shadow: 0 0 0 3px rgba(55, 113, 173, 0.15);
    outline: none;
}

/* --- Tables --- */
.table, .ums-table {
    width: 100%;
    margin-bottom: 0;
    font-size: 13.5px;
    color: var(--sys-primary-text);
    border-color: var(--sys-border-color);
}

.table thead th, .ums-table thead th {
    background-color: #f8fafc !important;
    color: var(--sys-muted-text) !important;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border-bottom: 1px solid var(--sys-border-color) !important;
    padding: 10px 14px;
}

.table tbody tr:hover {
    background-color: #f8fafc !important;
}

.table tbody td {
    padding: 10px 14px;
    vertical-align: middle;
    border-color: var(--sys-border-color);
}

/* --- Badges --- */
.badge {
    font-size: 11.5px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: var(--sys-radius);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-neutral {
    background-color: var(--sys-light-accent);
    color: var(--sys-primary-text);
    border: 1px solid var(--sys-border-color);
}

.badge-success {
    background-color: var(--sys-success-bg);
    color: var(--sys-success);
    border: 1px solid var(--sys-success-border);
}

.badge-warning {
    background-color: var(--sys-warning-bg);
    color: var(--sys-warning);
    border: 1px solid var(--sys-warning-border);
}

.badge-danger {
    background-color: var(--sys-danger-bg);
    color: var(--sys-danger);
    border: 1px solid var(--sys-danger-border);
}

/* --- Toasts Container --- */
#umsToastContainer {
    position: fixed;
    top: 68px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    width: 100%;
}

.ums-toast {
    background: #ffffff;
    border-radius: var(--sys-radius);
    box-shadow: var(--sys-shadow-md);
    border: 1px solid var(--sys-border-color);
    border-left: 4px solid var(--sys-primary-action);
    padding: 12px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

/* --- Full-Page Loader Overlay --- */
.ums-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(2px);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.ums-loader-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ums-loader-box {
    background: #ffffff;
    color: var(--sys-primary-text);
    padding: 28px 36px;
    border-radius: var(--sys-radius);
    box-shadow: var(--sys-shadow-md);
    border: 1px solid var(--sys-border-color);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.ums-loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sys-border-color);
    border-top-color: var(--sys-primary-action);
    border-radius: 50%;
    animation: umsSpin 0.8s linear infinite;
    margin: 0 auto 14px;
}

@keyframes umsSpin {
    to { transform: rotate(360deg); }
}

/* --- Progress Modal Track & Error Alert Box --- */
.progress-modal-dialog {
    max-width: 480px;
    margin: 1.75rem auto;
}

.progress-modal-card {
    background-color: #ffffff !important;
    border: 1px solid var(--sys-border-color) !important;
    border-radius: 12px !important;
    box-shadow: var(--sys-shadow-md) !important;
    overflow: hidden;
}

.progress-track-thin {
    height: 5px;
    background-color: var(--sys-border-color) !important;
    border-radius: 9999px !important;
    overflow: hidden;
    margin-top: 16px;
    margin-bottom: 14px;
}

.progress-fill-thin {
    height: 100%;
    background-color: var(--sys-primary-action) !important;
    border-radius: 9999px !important;
    transition: width 0.2s ease;
}

.progress-error-box {
    background-color: var(--sys-danger-bg);
    border: 1px solid var(--sys-danger-border);
    border-radius: 8px;
    padding: 12px 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
}

.progress-error-box .progress-error-icon {
    color: var(--sys-danger);
    font-size: 1rem;
}

.progress-error-box .progress-error-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: #991b1b;
}

/* --- Custom Searchable Select --- */
.ums-searchable-wrapper {
    position: relative;
    width: 100%;
}

.ums-searchable-dropdown {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    right: 0;
    z-index: 1070;
    max-height: 240px;
    overflow-y: auto;
    background: #ffffff;
    border: 1px solid var(--sys-border-color);
    border-radius: var(--sys-radius);
    box-shadow: var(--sys-shadow-md);
    display: none;
    padding: 4px;
}

.ums-searchable-wrapper.open .ums-searchable-dropdown {
    display: block;
}

.ums-searchable-item {
    padding: 6px 10px;
    font-size: 13px;
    color: var(--sys-primary-text);
    border-radius: 4px;
    cursor: pointer;
}

.ums-searchable-item:hover, .ums-searchable-item.selected {
    background-color: var(--sys-light-accent);
    color: var(--sys-primary-action);
}

/* --- Mobile Responsiveness (< 768px) --- */
@media (max-width: 767.98px) {
    .ums-sidebar {
        transform: translateX(-100%);
        display: none;
    }

    #ums-app-wrapper.toggled .ums-sidebar {
        display: flex;
        transform: translateX(0);
    }

    .ums-main-wrapper {
        margin-left: 0 !important;
        width: 100%;
    }

    .ums-topbar {
        padding: 0 16px;
    }

    .ums-content {
        padding: 16px;
    }
}