/* Mail Op Maat - Professional Email Client Styling */
html, body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
    background-color: #f3f4f6;
    color: #1f2937;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Primary brand colors */
:root {
    --primary-color: #1e3a5f;
    --primary-dark: #152d4a;
    --primary-light: #2a5a8f;
    --secondary-color: #475569;
    --success-color: #059669;
    --info-color: #0284c7;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --light-color: #f1f5f9;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --text-muted: #64748b;
    --surface-color: #ffffff;
    --surface-hover: #f8fafc;
}

a, .btn-link {
    color: var(--primary-light);
    transition: color 0.15s ease;
}

a:hover, .btn-link:hover {
    color: var(--primary-color);
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-primary:active, .btn-primary:focus-visible {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.25rem;
    max-width: 1600px;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

/* Mail Client Specific Styles */
.mail-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.mail-sidebar {
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    min-height: calc(100vh - 100px);
}

.mail-content {
    background-color: white;
}

/* Card enhancements */
.card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
    background-color: var(--surface-hover);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--dark-color);
}

/* Navigation improvements */
.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: white !important;
    letter-spacing: 0.02em;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Message list styles */
.list-group-item {
    border: none;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.15s ease;
}

.list-group-item:hover {
    background-color: var(--surface-hover);
}

.list-group-item-warning {
    background-color: #fffbeb;
    border-left: 3px solid var(--warning-color);
}

/* Button improvements */
.btn {
    font-weight: 500;
    border-radius: 7px;
    transition: all 0.15s ease;
    letter-spacing: 0.01em;
}

.btn-sm {
    border-radius: 6px;
}

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

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

.btn-outline-secondary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-info:hover {
    background-color: var(--info-color);
    border-color: var(--info-color);
}

.btn-outline-warning:hover {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

/* Badge improvements */
.badge {
    font-weight: 500;
    font-size: 0.75em;
    letter-spacing: 0.02em;
    border-radius: 6px;
    padding: 0.35em 0.65em;
}

.bg-success {
    background-color: var(--success-color) !important;
}

.bg-info {
    background-color: var(--info-color) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Modal improvements */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface-hover);
}

/* Form improvements */
.form-control {
    border-radius: 7px;
    border: 1px solid var(--border-color);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    font-size: 0.9rem;
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.12);
}

.form-select {
    border-radius: 7px;
    border: 1px solid var(--border-color);
}

.form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.12);
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--dark-color);
    margin-bottom: 0.35rem;
}

/* Utility classes */
.shadow-sm {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Page headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-color);
    font-weight: 600;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* Table improvements */
.table {
    --bs-table-bg: transparent;
}

.table > thead {
    background-color: var(--surface-hover);
    border-bottom: 2px solid var(--border-color);
}

.table > thead th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    border-bottom: none;
}

.table > tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-color: var(--border-color);
}

.table-hover > tbody > tr:hover {
    background-color: var(--surface-hover);
}

/* Alert improvements */
.alert {
    border-radius: 10px;
    border: none;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
}

.alert-danger {
    background-color: #fef2f2;
    color: #991b1b;
}

.alert-info {
    background-color: #eff6ff;
    color: #1e40af;
}

/* Loading states */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Inbox Layout Styles */
.inbox-container {
    background-color: white;
    min-height: calc(100vh - 100px);
}

.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.inbox-actions {
    display: flex;
    gap: 0.5rem;
}

.inbox-layout {
    display: grid;
    grid-template-columns: 250px 400px 1fr;
    height: calc(100vh - 180px);
}

.inbox-folders {
    border-right: 1px solid #e9ecef;
    overflow-y: auto;
    background-color: #f8f9fa;
}

.folder-list {
    padding: 1rem;
}

.folder-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #6c757d;
    font-weight: 600;
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.account-item,
.folder-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem;
}

.account-item:hover,
.folder-item:hover {
    background-color: #e9ecef;
}

.account-item.active,
.folder-item.active {
    background-color: var(--primary-color);
    color: white;
}

.folder-item .badge {
    margin-left: auto;
}

.inbox-list {
    border-right: 1px solid #e9ecef;
    overflow-y: auto;
}

.message-list {
    overflow-y: auto;
}

.message-item {
    display: grid;
    grid-template-columns: 30px 1fr 100px;
    grid-template-areas:
        "icon from date"
        "icon subject date";
    gap: 0.25rem 0.5rem;
    padding: 1rem;
    border-bottom: 1px solid #f1f3f4;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.message-item:hover {
    background-color: #f8f9fa;
}

.message-item.unread {
    background-color: #f8f9ff;
    font-weight: 600;
}

.message-item.selected {
    background-color: #e3f2fd;
    border-left: 4px solid var(--primary-color);
}

.message-icon {
    grid-area: icon;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.9rem;
}

.message-from {
    grid-area: from;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-subject {
    grid-area: subject;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: normal;
}

.message-preview {
    font-size: 0.85rem;
}

.message-date {
    grid-area: date;
    text-align: right;
    font-size: 0.85rem;
    color: #6c757d;
}

.inbox-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    border-top: 1px solid #e9ecef;
}

.inbox-preview {
    overflow-y: auto;
    padding: 1.5rem;
}

.empty-inbox,
.empty-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #6c757d;
}

.message-detail-header {
    margin-bottom: 1.5rem;
}

.message-meta {
    font-size: 0.9rem;
    color: #495057;
}

.message-body {
    margin-top: 1.5rem;
}

.email-iframe {
    width: 100%;
    min-height: 500px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
}

.plain-text-body {
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 6px;
}

/* Compose Form Styles */
.compose-container {
    max-width: 900px;
    margin: 2rem auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.compose-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.compose-form {
    padding: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #f1f3f4;
}

.form-row label {
    font-weight: 500;
    margin-bottom: 0;
}

.rich-text-editor {
    min-height: 400px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    padding: 1rem;
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #f8f9fa;
    border-radius: 6px;
    font-size: 0.9rem;
}

.attachment-item .btn-close {
    font-size: 0.7rem;
}

@media (max-width: 1200px) {
    .inbox-layout {
        grid-template-columns: 200px 1fr;
    }
    
    .inbox-preview {
        display: none;
    }
}

@media (max-width: 768px) {
    .inbox-layout {
        grid-template-columns: 1fr;
    }
    
    .inbox-folders {
        display: none;
    }
}

/* ================================================================
   Kanban Board
   ================================================================ */
.kanban-wrapper {
    position: relative;
}

/* Custom card styling inside Syncfusion Kanban */
.kanban-card {
    padding: 0.5rem 0.6rem;
    border-radius: 0.375rem;
    background-color: #fff;
    transition: box-shadow 0.15s ease;
}

.kanban-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.kanban-card--overdue {
    border-left: 3px solid var(--danger-color) !important;
}

/* 2-line clamped card title */
.kanban-card-title {
    font-weight: 600;
    font-size: 0.8125rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.35;
    word-break: break-word;
}

/* Small tag chips on cards */
.kanban-tag {
    font-size: 0.62rem;
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
    background-color: rgba(108,117,125,0.12) !important;
    color: #495057 !important;
}

/* Avatar circle for assignee initials */
.kanban-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    flex-shrink: 0;
    cursor: default;
}

/* Overdue badge inside a card */
.kanban-overdue {
    font-size: 0.68rem;
    color: var(--danger-color);
    font-weight: 600;
}

/* SLA status badges inside a card */
.kanban-sla {
    font-size: 0.68rem;
    font-weight: 600;
}
.kanban-sla--breach {
    color: var(--danger-color);
}
.kanban-sla--warn {
    color: #fd7e14;
}

/* Last-updated footer line at the bottom of each card */
.kanban-card-footer {
    font-size: 0.65rem;
    color: #9ba1ad;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 0.25rem;
}

/* Saving overlay indicator */
.kanban-saving-overlay {
    display: flex;
    align-items: center;
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    z-index: 100;
    background: rgba(255,255,255,0.9);
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 0.25rem 0.6rem;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

/* Empty state shown when the board has no items */
.kanban-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #9ba1ad;
}

/* Monospace font helper for ticket numbers */
.fw-mono {
    font-family: 'Consolas', 'Courier New', monospace;
}

/* ── Knowledge Base (Prompt 16) ─────────────────────────────────────────────── */

/* Rendered Markdown article body */
.kb-article-body {
    line-height: 1.7;
    font-size: 0.95rem;
}
.kb-article-body h1, .kb-article-body h2, .kb-article-body h3,
.kb-article-body h4, .kb-article-body h5, .kb-article-body h6 {
    margin-top: 1.4em;
    margin-bottom: 0.5em;
    font-weight: 600;
}
.kb-article-body h1 { font-size: 1.6rem; border-bottom: 2px solid #dee2e6; padding-bottom: .3rem; }
.kb-article-body h2 { font-size: 1.3rem; border-bottom: 1px solid #dee2e6; padding-bottom: .2rem; }
.kb-article-body h3 { font-size: 1.1rem; }
.kb-article-body pre {
    background: #f6f8fa;
    border: 1px solid #e9ecef;
    border-radius: 0.375rem;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.875em;
}
.kb-article-body code {
    background: #f1f3f5;
    border-radius: 0.2rem;
    padding: 0.1em 0.35em;
    font-size: 0.875em;
    color: #c7254e;
}
.kb-article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}
.kb-article-body blockquote {
    border-left: 4px solid #0d6efd;
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    background: #f0f4ff;
    border-radius: 0 .375rem .375rem 0;
    color: #444;
}
.kb-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}
.kb-article-body table th,
.kb-article-body table td {
    border: 1px solid #dee2e6;
    padding: 0.5rem 0.75rem;
}
.kb-article-body table th {
    background: #f8f9fa;
    font-weight: 600;
}
.kb-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
}
.kb-article-body ul,
.kb-article-body ol {
    padding-left: 1.5rem;
    margin: 0.5rem 0 1rem;
}
.kb-article-body a { color: var(--bs-link-color); }

/* Article card hover */
.kb-article-card:hover {
    border-color: #0d6efd;
    box-shadow: 0 4px 12px rgba(13,110,253,.15) !important;
    transition: box-shadow 0.2s, border-color 0.2s;
}

/* Revision list */
.kb-revision-list .list-group-item:first-child {
    background: #f0f4ff;
    font-weight: 600;
}