/* ============================================
   Theme Variables - Dark Gray & Teal Palette
   ============================================ */
:root {
    /* Primary Colors - New Theme */
    --dx-primary: #00ADB5;
    --dx-primary-hover: #0099a1;
    --dx-primary-light: #00ADB5;
    --dx-primary-lighter: rgba(0, 173, 181, 0.1);
    --dx-primary-dark: #222831;

    /* Accent Colors */
    --dx-success: #10b981;
    --dx-success-light: #d1fae5;
    --dx-danger: #ef4444;
    --dx-danger-light: #fee2e2;
    --dx-warning: #f59e0b;
    --dx-info: #00ADB5;

    /* Neutral Colors */
    --dx-bg: #ffffff;
    --dx-card: #ffffff;
    --dx-text: #222831;
    --dx-text-muted: #393E46;
    --dx-text-light: #9ca3af;
    --dx-border: #EEEEEE;
    --dx-border-light: #EEEEEE;

    /* Shadows */
    --dx-shadow-sm: 0 1px 2px rgba(34, 40, 49, 0.1);
    --dx-shadow: 0 1px 3px rgba(34, 40, 49, 0.15), 0 1px 2px rgba(34, 40, 49, 0.1);
    --dx-shadow-md: 0 4px 6px rgba(34, 40, 49, 0.12), 0 2px 4px rgba(34, 40, 49, 0.08);
    --dx-shadow-lg: 0 10px 15px rgba(34, 40, 49, 0.15), 0 4px 6px rgba(34, 40, 49, 0.1);

    /* Border Radius */
    --dx-radius: 8px;
    --dx-radius-sm: 6px;
    --dx-radius-lg: 12px;

    /* Spacing - More Compact */
    --dx-spacing-xs: 0.25rem;
    --dx-spacing-sm: 0.5rem;
    --dx-spacing-md: 0.75rem;
    --dx-spacing-lg: 1rem;
    --dx-spacing-xl: 1.5rem;
}

/* ============================================
   Base Styles
   ============================================ */
body {
    background: var(--dx-bg);
    color: var(--dx-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    font-size: 0.9375rem;
}

.container-fluid {
    max-width: 1400px;
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
    box-shadow: var(--dx-shadow-sm);
    padding: 0.625rem 0;
}

.navbar-brand {
    font-size: 1.125rem;
    color: var(--dx-text) !important;
    font-weight: 700;
}

.navbar-brand i,
.dx-navbar-icon {
    font-size: 1.375rem;
    color: var(--dx-primary);
}

.navbar {
    background: var(--dx-card) !important;
}


/* ============================================
   Cards
   ============================================ */
.dx-card {
    background: var(--dx-card);
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius-lg);
    box-shadow: var(--dx-shadow-sm);
    padding: var(--dx-spacing-lg);
}

/* ============================================
   Landing Page - Full Width
   ============================================ */
.dx-landing-full {
    margin: calc(-1 * var(--dx-spacing-lg)) calc(-1 * var(--dx-spacing-md)) 0;
    padding: var(--dx-spacing-xl) var(--dx-spacing-md);
    background: #ffffff;
    min-height: calc(100vh - 80px);
}

.dx-hero {
    padding: var(--dx-spacing-xl) 0 var(--dx-spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
}

.dx-hero-content {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.dx-hero-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--dx-spacing-sm);
}

.dx-hero-icon {
    font-size: 3.5rem;
    color: var(--dx-primary);
    margin-bottom: var(--dx-spacing-xs);
}

.dx-hero-brand-name {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--dx-text);
}

.dx-hero-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
    color: var(--dx-text);
    margin-bottom: var(--dx-spacing-md);
}

.dx-hero-subtitle {
    font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
    color: var(--dx-text-muted);
    line-height: 1.6;
    max-width: 600px;
    margin-bottom: var(--dx-spacing-lg);
}

.dx-hero-subtitle strong {
    color: var(--dx-text);
    font-weight: 600;
}

.dx-trust-badge {
    display: inline-flex;
    align-items: center;
    color: var(--dx-text-muted);
    font-size: 0.8125rem;
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--dx-radius);
    border: 1px solid var(--dx-border);
}

.dx-trust-badge i {
    color: var(--dx-success);
}

/* Feature Cards */
.dx-feature-card {
    background: var(--dx-card);
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius-lg);
    padding: var(--dx-spacing-lg);
    transition: all 0.2s ease;
    box-shadow: var(--dx-shadow-sm);
    height: 100%;
}

.dx-feature-card:hover {
    box-shadow: var(--dx-shadow-md);
    transform: translateY(-4px);
    border-color: var(--dx-primary);
}

.dx-feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--dx-primary-lighter) 0%, rgba(122, 178, 178, 0.2) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--dx-spacing-md);
    border: 2px solid var(--dx-primary-light);
}

.dx-feature-icon-wrapper i {
    font-size: 2rem;
    color: var(--dx-primary);
}

.dx-feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dx-text);
    margin-bottom: var(--dx-spacing-sm);
}

.dx-feature-text {
    color: var(--dx-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

.dx-footer-note {
    text-align: center;
    color: var(--dx-text-muted);
    font-size: 0.8125rem;
    padding: var(--dx-spacing-md);
    background: var(--dx-card);
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius);
}

.dx-footer-note i {
    color: var(--dx-primary);
}

/* ============================================
   App Layout
   ============================================ */
.dx-categories-panel {
    position: sticky;
    top: calc(var(--dx-spacing-md) + 60px);
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.dx-panel-header {
    margin-bottom: var(--dx-spacing-sm);
    padding-bottom: var(--dx-spacing-sm);
    border-bottom: 1px solid var(--dx-border);
}

.dx-panel-title {
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dx-text-muted);
}

.dx-panel-title i {
    color: var(--dx-primary);
}

/* Category List */
.dx-category-list {
    display: flex;
    flex-direction: column;
    gap: var(--dx-spacing-xs);
}

.dx-category-list .list-group-item {
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius) !important;
    padding: var(--dx-spacing-sm) var(--dx-spacing-md);
    background: var(--dx-card);
    transition: all 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--dx-spacing-sm);
    margin-bottom: 0 !important;
}

.dx-category-list .list-group-item:hover {
    background: var(--dx-bg);
    border-color: var(--dx-primary-light);
    transform: translateX(2px);
}

.dx-category-list .list-group-item.active {
    background: var(--dx-primary);
    border-color: var(--dx-primary);
    color: white;
    box-shadow: var(--dx-shadow);
}

.dx-category-list .list-group-item.active i {
    color: white !important;
}

.dx-category-list .list-group-item.active .fw-semibold {
    color: white;
}

.dx-category-list .list-group-item.active .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

.dx-category-list .list-group-item.active i {
    color: white;
}

.dx-category-list .list-group-item i {
    font-size: 1rem;
    color: var(--dx-primary);
    flex-shrink: 0;
}

.dx-category-list .list-group-item .bi-chevron-right {
    margin-left: auto;
    opacity: 0.5;
    font-size: 0.75rem;
}

.dx-category-list .list-group-item.active .bi-chevron-right {
    opacity: 0.8;
}

/* Documents Panel */
.dx-documents-panel {
    min-height: 400px;
}

.dx-docs-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--dx-spacing-md);
    padding-bottom: var(--dx-spacing-sm);
    border-bottom: 1px solid var(--dx-border);
    flex-wrap: wrap;
    gap: var(--dx-spacing-sm);
}

.dx-docs-title-section {
    flex: 1;
    min-width: 200px;
}

.dx-docs-subtitle {
    font-size: 0.9375rem;
    color: var(--dx-text-muted);
    font-weight: 400;
    margin: 0;
}

.dx-docs-actions {
    flex-shrink: 0;
}

.dx-docs-table-wrapper {
    margin-top: var(--dx-spacing-sm);
}

.dx-docs-table {
    margin: 0;
}

.dx-docs-table thead th {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dx-text-muted);
    border-bottom: 2px solid var(--dx-border);
    padding: var(--dx-spacing-sm) var(--dx-spacing-md);
    background: var(--dx-bg);
}

.dx-docs-table tbody td {
    padding: var(--dx-spacing-sm) var(--dx-spacing-md);
    vertical-align: middle;
    border-bottom: 1px solid var(--dx-border);
}

.dx-docs-table tbody tr:hover {
    background: var(--dx-bg);
}

.doc-name {
    font-weight: 600;
    color: var(--dx-text);
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.doc-meta {
    color: var(--dx-text-muted);
    font-size: 0.75rem;
}

.doc-actions {
    white-space: nowrap;
}

.doc-actions .btn {
    margin-left: var(--dx-spacing-xs);
}

/* Empty State */
.dx-empty {
    padding: var(--dx-spacing-lg);
    text-align: center;
}

.dx-empty .title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--dx-text);
    margin-bottom: var(--dx-spacing-xs);
}

.dx-empty .hint {
    color: var(--dx-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--dx-spacing-md);
}

/* Member Controls */
.dx-member-controls {
    background: var(--dx-card);
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius-lg);
    padding: var(--dx-spacing-md);
    box-shadow: var(--dx-shadow-sm);
    overflow: hidden;
    width: 100%;
}

.dx-member-controls>.d-flex {
    flex-wrap: nowrap;
    align-items: center;
    min-width: 0;
    width: 100%;
}

.dx-member-controls .d-flex.align-items-center.gap-2:first-child {
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
}

.dx-member-name-display {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dx-text);
    margin: 0;
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dx-member-select {
    min-width: 200px;
    max-width: 300px;
    flex-shrink: 0;
    width: auto;
}

.dx-member-controls .d-flex.align-items-center.gap-2:last-child {
    flex-shrink: 0;
    white-space: nowrap;
    min-width: 0;
    max-width: 100%;
    overflow: visible;
}

.dx-member-controls .d-flex.align-items-center.gap-2 .btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    font-size: 0.8125rem;
}

.dx-member-controls .d-flex.align-items-center.gap-2:last-child {
    justify-content: flex-end;
}

/* Status Message */
.dx-status-message {
    font-size: 0.8125rem;
    color: var(--dx-text-muted);
    padding: var(--dx-spacing-sm) var(--dx-spacing-md);
    background: var(--dx-card);
    border-radius: var(--dx-radius);
    border: 1px solid var(--dx-border);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    border-radius: var(--dx-radius);
    font-weight: 500;
    padding: 0.5rem 0.875rem;
    transition: all 0.2s ease;
    border-width: 1px;
    font-size: 0.875rem;
}

.btn-sm {
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--dx-primary);
    border-color: var(--dx-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--dx-primary-hover);
    border-color: var(--dx-primary-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--dx-shadow);
}

.btn-outline-primary {
    color: var(--dx-primary);
    border-color: var(--dx-primary);
}

.btn-outline-primary:hover {
    background: var(--dx-primary);
    border-color: var(--dx-primary);
    color: white;
}

.btn-outline-danger:hover {
    background: var(--dx-danger);
    border-color: var(--dx-danger);
    color: white;
}

.btn-outline-success:hover {
    background: var(--dx-success);
    border-color: var(--dx-success);
    color: white;
}

/* ============================================
   Forms
   ============================================ */
.form-control,
.form-select {
    border-radius: var(--dx-radius);
    border-color: var(--dx-border);
    padding: 0.4375rem 0.75rem;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--dx-primary);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.15);
    outline: none;
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dx-text);
    margin-bottom: var(--dx-spacing-sm);
}

.form-text {
    font-size: 0.8125rem;
    color: var(--dx-text-muted);
}

/* ============================================
   Modals
   ============================================ */
.modal-content {
    border-radius: var(--dx-radius-lg);
    border: 1px solid var(--dx-border-light);
    box-shadow: var(--dx-shadow-md);
}

.modal-header {
    border-bottom: 1px solid var(--dx-border);
    padding: var(--dx-spacing-md) var(--dx-spacing-lg);
}

.modal-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--dx-text);
}

.modal-body {
    padding: var(--dx-spacing-lg);
}

.modal-footer {
    border-top: 1px solid var(--dx-border);
    padding: var(--dx-spacing-md) var(--dx-spacing-lg);
}

.modal-footer .btn {
    margin-left: var(--dx-spacing-sm);
}

/* ============================================
   Loader
   ============================================ */
.dx-loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.dx-loader-card {
    background: var(--dx-card);
    border: 1px solid var(--dx-border);
    border-radius: var(--dx-radius-lg);
    padding: var(--dx-spacing-lg);
    min-width: 260px;
    text-align: center;
    box-shadow: var(--dx-shadow-md);
}

.dx-loader-text {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--dx-text);
}

.dx-loader-subtext {
    font-size: 0.8125rem;
    color: var(--dx-text-muted);
}

/* ============================================
   Mobile Responsiveness
   ============================================ */
@media (max-width: 991.98px) {
    .dx-categories-panel {
        position: static;
        max-height: none;
        margin-bottom: var(--dx-spacing-md);
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .dx-panel-header {
        display: none;
    }

    .dx-category-list {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: var(--dx-spacing-xs);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: var(--dx-spacing-xs);
    }

    .dx-category-list::-webkit-scrollbar {
        display: none;
    }

    .dx-category-list .list-group-item {
        flex: 0 0 auto;
        width: auto !important;
        white-space: nowrap;
        border-radius: 20px !important;
        padding: 0.4rem 1rem;
        margin-bottom: 0;
    }

    .dx-category-list .list-group-item .bi-chevron-right {
        display: none;
    }

    .dx-hero-visual {
        display: none;
    }

    .dx-docs-header {
        flex-direction: column;
        align-items: stretch;
    }

    .dx-docs-actions {
        width: 100%;
    }

    .dx-docs-actions .btn {
        width: 100%;
    }

    .dx-member-controls>.d-flex {
        flex-direction: column;
        align-items: stretch !important;
        gap: var(--dx-spacing-sm) !important;
    }

    .dx-member-controls .d-flex.align-items-center.gap-2:first-child {
        width: 100%;
        justify-content: flex-start;
    }

    .dx-member-controls .d-flex.align-items-center.gap-2:last-child {
        width: 100%;
        justify-content: space-between;
    }

    .dx-member-select {
        flex: 1;
        max-width: none;
    }
}

@media (max-width: 767.98px) {
    .dx-feature-card {
        margin-bottom: var(--dx-spacing-sm);
    }
}

@media (max-width: 575.98px) {
    .container-fluid {
        padding-left: var(--dx-spacing-md);
        padding-right: var(--dx-spacing-md);
    }

    .navbar {
        padding: var(--dx-spacing-sm) 0;
    }

    .navbar-brand {
        font-size: 1.125rem;
    }

    .dx-member-select {
        flex: 1;
        max-width: none;
        min-width: 100px;
        font-size: 0.8125rem;
    }

    .dx-card {
        padding: var(--dx-spacing-md);
    }

    .dx-hero {
        padding: var(--dx-spacing-lg) 0;
    }

    .dx-hero-title {
        font-size: 1.75rem;
    }

    .dx-trust-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
        width: 100%;
        justify-content: center;
        margin-top: var(--dx-spacing-sm);
    }

    .dx-feature-card {
        padding: var(--dx-spacing-md);
    }

    .dx-feature-icon-wrapper {
        width: 40px;
        height: 40px;
    }

    .dx-feature-icon-wrapper i {
        font-size: 1.25rem;
    }

    .dx-docs-table {
        font-size: 0.875rem;
    }

    .dx-docs-table thead th {
        padding: var(--dx-spacing-sm);
        font-size: 0.6875rem;
    }

    .dx-docs-table tbody td {
        padding: var(--dx-spacing-sm);
    }

    .doc-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
        justify-content: flex-end;
    }

    .doc-actions .btn {
        padding: 0.35rem 0.5rem;
        font-size: 0.875rem;
        margin-left: 0;
    }

    .doc-actions .btn .btn-text {
        display: none;
    }

    .doc-actions .btn i {
        margin-right: 0 !important;
    }

    .modal-content {
        margin: var(--dx-spacing-md);
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--dx-spacing-md);
    }

    .dx-loader-card {
        min-width: 240px;
        padding: var(--dx-spacing-lg);
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-muted {
    color: var(--dx-text-muted) !important;
}

.border {
    border-color: var(--dx-border-light) !important;
}

/* Fix for empty state button */
#btnEmptyAddDoc {
    margin-top: var(--dx-spacing-md);
}