/* ═══════════════════════════════════════════════════
   ITBoard — Material Design 3 Theme Tokens
   Primary seed: #1565C0 (professional blue)
   ═══════════════════════════════════════════════════ */

:root {
    /* ── Primary ── */
    --md-primary: #1565C0;
    --md-on-primary: #FFFFFF;
    --md-primary-container: #D4E3FF;
    --md-on-primary-container: #001C3A;

    /* ── Secondary ── */
    --md-secondary: #545F70;
    --md-on-secondary: #FFFFFF;
    --md-secondary-container: #D8E3F8;
    --md-on-secondary-container: #111C2B;

    /* ── Tertiary ── */
    --md-tertiary: #6E5676;
    --md-on-tertiary: #FFFFFF;
    --md-tertiary-container: #F7D8FF;
    --md-on-tertiary-container: #271430;

    /* ── Error ── */
    --md-error: #BA1A1A;
    --md-on-error: #FFFFFF;
    --md-error-container: #FFDAD6;
    --md-on-error-container: #410002;

    /* ── Surfaces ── */
    --md-surface: #F8F9FF;
    --md-on-surface: #191C20;
    --md-surface-variant: #DFE2EB;
    --md-on-surface-variant: #43474E;
    --md-surface-container-low: #F2F3FA;
    --md-surface-container: #ECEDF4;
    --md-surface-container-high: #E6E8EE;
    --md-surface-container-highest: #E1E2E9;
    --md-surface-dim: #D8DAE0;

    /* ── Outline ── */
    --md-outline: #73777F;
    --md-outline-variant: #C3C6CF;

    /* ── Inverse ── */
    --md-inverse-surface: #2E3036;
    --md-inverse-on-surface: #EFF0F7;

    /* ── Semantic: Priorities ── */
    --color-critical: #D32F2F;
    --color-high: #F57C00;
    --color-medium: #1565C0;
    --color-low: #757575;

    /* ── Semantic: Statuses ── */
    --color-new: #1565C0;
    --color-in-progress: #F9A825;
    --color-review: #7B1FA2;
    --color-done: #2E7D32;

    /* ── Semantic: SLA ── */
    --color-sla-ok: #2E7D32;
    --color-sla-warn: #F57C00;
    --color-sla-breach: #D32F2F;

    /* ── Elevation ── */
    --elevation-1: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px rgba(0,0,0,0.3);
    --elevation-2: 0 2px 6px 2px rgba(0,0,0,0.15), 0 1px 2px rgba(0,0,0,0.3);
    --elevation-3: 0 4px 8px 3px rgba(0,0,0,0.15), 0 1px 3px rgba(0,0,0,0.3);

    /* ── Shape ── */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 28px;

    /* ── Motion ── */
    --duration-short: 150ms;
    --duration-medium: 300ms;
    --easing-standard: cubic-bezier(0.2, 0, 0, 1);

    /* ── Sidebar ── */
    --sidebar-width: 260px;
    --topbar-height: 64px;
}

/* ═══════════════════════════════════════════════════
   Base Reset & Typography
   ═══════════════════════════════════════════════════ */

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

html, body {
    height: 100%;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--md-on-surface);
    background: var(--md-surface);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--md-primary);
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    font-size: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--md-outline-variant);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--md-outline);
}

/* ═══════════════════════════════════════════════════
   Utility Classes
   ═══════════════════════════════════════════════════ */

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
    user-select: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.1px;
    transition: background var(--duration-short) var(--easing-standard),
                box-shadow var(--duration-short) var(--easing-standard);
    white-space: nowrap;
}

.btn-primary {
    background: var(--md-primary);
    color: var(--md-on-primary);
}
.btn-primary:hover {
    box-shadow: var(--elevation-1);
    background: #1258A8;
}

.btn-outline {
    border: 1px solid var(--md-outline);
    color: var(--md-primary);
    background: transparent;
}
.btn-outline:hover {
    background: var(--md-primary-container);
}

.btn-text {
    color: var(--md-primary);
    padding: 10px 12px;
}
.btn-text:hover {
    background: rgba(21, 101, 192, 0.08);
}

.btn-danger {
    background: var(--md-error);
    color: var(--md-on-error);
}
.btn-danger:hover {
    background: #A51616;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn:disabled {
    opacity: 0.38;
    pointer-events: none;
}

/* Icon button */
.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--md-on-surface-variant);
    transition: background var(--duration-short);
    position: relative;
}
.icon-btn:hover {
    background: var(--md-surface-container-highest);
}

/* Badge */
.badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    background: var(--md-error);
    color: var(--md-on-error);
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Inputs */
.input-field {
    position: relative;
    margin-bottom: 16px;
}

.input-field label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--md-on-surface-variant);
    margin-bottom: 4px;
}

.input-field input,
.input-field textarea,
.input-field select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--md-outline);
    border-radius: var(--radius-xs);
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-size: 14px;
    line-height: 24px;
    outline: none;
    transition: border-color var(--duration-short);
}

.input-field input:focus,
.input-field textarea:focus,
.input-field select:focus {
    border-color: var(--md-primary);
    border-width: 2px;
    padding: 11px 15px;
}

.input-field textarea {
    resize: vertical;
    min-height: 80px;
}

.input-field select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2373777F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 36px;
}

/* Chip / Tag */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    line-height: 16px;
}

.chip-priority-critical { background: #FFDAD6; color: #410002; }
.chip-priority-high { background: #FFE0B2; color: #663D00; }
.chip-priority-medium { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.chip-priority-low { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }

.chip-status-new { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.chip-status-in_progress { background: #FFF8E1; color: #664D00; }
.chip-status-review { background: #F3E5F5; color: #4A1464; }
.chip-status-done { background: #E8F5E9; color: #1B5E20; }

/* Avatar */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    flex-shrink: 0;
}

.avatar-sm {
    width: 28px;
    height: 28px;
    font-size: 11px;
}

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--md-on-surface-variant);
}
.empty-state .material-symbols-outlined {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-state p {
    font-size: 16px;
}

/* Loading spinner */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--md-outline-variant);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-center {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

/* Divider */
.divider {
    height: 1px;
    background: var(--md-outline-variant);
    margin: 8px 0;
}

/* ═══════════════════════════════════════════════════
   Additional UI Components
   ═══════════════════════════════════════════════════ */

/* Icon button (small action buttons in tables) */
.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--md-on-surface-variant);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--duration-short);
    padding: 0;
}

.btn-icon:hover {
    background: var(--md-surface-container-highest);
}

.btn-icon .material-symbols-outlined {
    font-size: 20px;
}

.btn-icon.btn-danger {
    color: var(--md-error);
    background: transparent;
}

.btn-icon.btn-danger:hover {
    background: var(--md-error-container);
}

.btn-xs {
    width: 32px;
    height: 32px;
}

.btn-xs .material-symbols-outlined {
    font-size: 18px;
}

/* Actions cell in tables */
.actions-cell {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
}

.row-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Modal form layout */
.modal-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.modal-form .form-group {
    margin-bottom: 16px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--md-outline-variant);
    margin-top: 8px;
}

/* Secondary button */
.btn-secondary {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 500;
    border: none;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--md-surface-container-highest);
}

/* Chip variants */
.chip-red {
    background: var(--md-error-container);
    color: var(--md-on-error-container);
}

.chip-blue {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
}

.chip-gray {
    background: var(--md-surface-container-high);
    color: var(--md-on-surface-variant);
}

.chip-outline {
    background: transparent;
    border: 1px solid var(--md-outline-variant);
    color: var(--md-on-surface-variant);
}

.chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

/* Checkbox list (for company selection in user modal) */
.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 8px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-sm);
    background: var(--md-surface);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--md-on-surface);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--md-primary);
    cursor: pointer;
}

/* Password cell */
.password-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.password-dots {
    font-family: monospace;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--md-on-surface-variant);
    min-width: 80px;
}

.password-revealed {
    font-family: monospace;
    font-size: 14px;
    color: var(--md-on-surface);
    background: var(--md-surface-container);
    padding: 2px 8px;
    border-radius: var(--radius-xs, 4px);
}

/* Text utilities */
.text-muted {
    color: var(--md-on-surface-variant);
    font-size: 13px;
}

.text-danger {
    color: var(--md-error);
}

/* Page title */
.page-title {
    font-size: 22px;
    font-weight: 400;
    color: var(--md-on-surface);
}

/* Page header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

/* Loading spinner text */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--md-on-surface-variant);
}

/* Filters bar */
.filters-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 12px 16px;
    background: var(--md-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-1);
}

.filters-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--md-on-surface-variant);
}

.filter-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 10px;
    background: var(--md-primary);
    color: var(--md-on-primary);
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.filters-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.filters-reset {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    color: var(--md-on-surface-variant);
    font-size: 13px;
    cursor: pointer;
    background: none;
    border: none;
}

.filters-reset:hover {
    background: var(--md-surface-container-highest);
}

.filter-select {
    padding: 8px 32px 8px 12px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-sm);
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%2373777F' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
}

.filter-search {
    padding: 8px 12px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--radius-sm);
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    min-width: 200px;
}

.filter-select:focus,
.filter-search:focus {
    border-color: var(--md-primary);
}

/* Data table empty */
.data-table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 48px 24px;
    color: var(--md-on-surface-variant);
}

.data-table-empty .material-symbols-outlined {
    font-size: 48px;
    opacity: 0.4;
    margin-bottom: 12px;
}

/* Comment styles */
.comment-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--md-outline-variant);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.comment-author {
    font-weight: 500;
    font-size: 13px;
}

.comment-date {
    font-size: 12px;
}

.comment-body {
    font-size: 14px;
    line-height: 1.5;
}

/* Toast visible state */
.toast.visible {
    opacity: 1;
    transform: translateX(0);
}

.toast {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    background: var(--md-inverse-surface);
    color: var(--md-inverse-on-surface);
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--duration-medium);
    box-shadow: var(--elevation-2);
}

.toast-success { border-left: 4px solid var(--color-done); }
.toast-error { border-left: 4px solid var(--md-error); }
.toast-warning { border-left: 4px solid var(--color-high); }
.toast-info { border-left: 4px solid var(--md-primary); }

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Wiki page specific */
.wiki-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    height: calc(100vh - var(--topbar-height) - 72px);
}

.wiki-tree {
    background: var(--md-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-1);
    overflow-y: auto;
    padding: 16px;
}

.wiki-content {
    background: var(--md-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--elevation-1);
    overflow-y: auto;
    padding: 24px;
}

.wiki-tree-item {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    color: var(--md-on-surface-variant);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background var(--duration-short);
}

.wiki-tree-item:hover {
    background: var(--md-surface-container-highest);
}

.wiki-tree-item.active {
    background: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
    font-weight: 500;
}

.wiki-tree-company {
    font-size: 12px;
    font-weight: 600;
    color: var(--md-on-surface);
    padding: 12px 12px 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wiki-tree-folder {
    padding-left: 24px;
    font-size: 13px;
}

/* Markdown rendered content */
.markdown-body h1 { font-size: 24px; font-weight: 400; margin: 24px 0 12px; }
.markdown-body h2 { font-size: 20px; font-weight: 400; margin: 20px 0 10px; }
.markdown-body h3 { font-size: 16px; font-weight: 500; margin: 16px 0 8px; }
.markdown-body p { margin: 8px 0; line-height: 1.6; }
.markdown-body code {
    background: var(--md-surface-container-high);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}
.markdown-body pre {
    background: var(--md-surface-container-high);
    padding: 16px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 12px 0;
}
.markdown-body pre code { background: none; padding: 0; }
.markdown-body ul, .markdown-body ol { padding-left: 24px; margin: 8px 0; }
.markdown-body li { margin: 4px 0; }
.markdown-body blockquote {
    border-left: 4px solid var(--md-primary);
    padding: 8px 16px;
    margin: 12px 0;
    color: var(--md-on-surface-variant);
    background: var(--md-surface-container-low);
}
.markdown-body table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.markdown-body th, .markdown-body td {
    border: 1px solid var(--md-outline-variant);
    padding: 8px 12px;
    text-align: left;
}
.markdown-body th { background: var(--md-surface-container); font-weight: 500; }