/* ============================================================
   Minolith Design System
   Dashboard application styles
   ============================================================ */

/* --- Custom Properties --- */

:root {
    --color-bg: #FAFBFC;
    --color-surface: #FFFFFF;
    --color-border: #E5E7EB;
    --color-text: #111827;
    --color-text-secondary: #6B7280;
    --color-primary: #6366F1;
    --color-primary-hover: #4F46E5;
    --color-primary-light: rgba(99, 102, 241, 0.08);
    --color-success: #10B981;
    --color-success-hover: #059669;
    --color-warning: #F59E0B;
    --color-warning-hover: #D97706;
    --color-danger: #EF4444;
    --color-danger-hover: #DC2626;
    --color-info: #3B82F6;
    --color-info-hover: #2563EB;

    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-700: #374151;

    --color-badge-rule: #8B5CF6;
    --color-badge-pattern: #6366F1;
    --color-badge-snippet: #0EA5E9;
    --color-badge-decision: #10B981;
    --color-badge-fact: #6B7280;
    --color-badge-warning: #F59E0B;
    --color-badge-event: #3B82F6;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

    --text-title: 24px;
    --text-heading: 18px;
    --text-body: 14px;
    --text-caption: 12px;
    --line-height: 1.6;

    --sidebar-width: 240px;
    --content-max-width: 1200px;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --card-radius: 8px;
    --card-padding: 24px;
    --card-gap: 16px;
    --btn-radius: 6px;
    --transition: 150ms ease;
}


/* --- Reset and Base --- */

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-body);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

img {
    max-width: 100%;
    display: block;
}

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


/* --- Layout: Dashboard and Admin --- */

.layout-dashboard,
.layout-admin {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition), width var(--transition);
}

.sidebar.sidebar-collapsed {
    transform: translateX(-100%);
}

.main-content.sidebar-collapsed {
    margin-left: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    padding: 20px 16px;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.sidebar-logo img {
    height: 28px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

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

.nav-item {
    margin-bottom: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--btn-radius);
    color: var(--color-text-secondary);
    font-size: var(--text-body);
    font-weight: 500;
    transition: all var(--transition);
    min-height: 36px;
}

.nav-link:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-link.active .nav-icon {
    opacity: 1;
}

.nav-label {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-separator {
    height: 1px;
    background: var(--color-border);
    margin: 8px 12px;
}

.sidebar-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
    background: var(--color-primary);
    color: #FFFFFF;
    line-height: 1.4;
}


/* --- Main Content --- */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-area {
    flex: 1;
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 24px 32px;
}


/* --- Top Bar --- */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 56px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title {
    font-size: var(--text-title);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.sidebar-toggle:hover {
    background: var(--color-bg);
    color: var(--color-text);
}


/* --- Project Selector --- */

.project-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--text-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.project-selector:hover {
    border-color: var(--color-primary);
}


/* --- User Menu --- */

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--btn-radius);
    cursor: pointer;
    transition: background var(--transition);
}

.user-menu:hover {
    background: var(--color-bg);
}


/* --- Footer --- */

.main-footer {
    padding: 16px 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--text-caption);
    text-align: center;
}


/* --- Cards --- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

.card + .card {
    margin-top: var(--card-gap);
}

.card-header {
    padding: var(--card-padding);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2,
.card-header h3 {
    font-size: var(--text-heading);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card-body {
    padding: var(--card-padding);
}

.card-footer {
    padding: 16px var(--card-padding);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}


/* --- Buttons --- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--btn-radius);
    font-size: var(--text-body);
    font-weight: 500;
    line-height: 1.4;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    min-height: 36px;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

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

.btn-outline {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

.btn-danger {
    background: var(--color-danger);
    color: #FFFFFF;
    border-color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger-hover);
    border-color: var(--color-danger-hover);
    color: #FFFFFF;
}

.btn-sm {
    padding: 4px 10px;
    font-size: var(--text-caption);
    min-height: 28px;
}


/* --- Data Tables --- */

.data-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background: #F9FAFB;
}

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

.sortable {
    cursor: pointer;
    user-select: none;
}

.sortable:hover {
    color: var(--color-text);
}


/* --- Badges --- */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    color: #FFFFFF;
}

.badge-rule {
    background: var(--color-badge-rule);
}

.badge-pattern {
    background: var(--color-badge-pattern);
}

.badge-snippet {
    background: var(--color-badge-snippet);
}

.badge-decision {
    background: var(--color-badge-decision);
}

.badge-fact {
    background: var(--color-badge-fact);
}

.badge-warning {
    background: var(--color-badge-warning);
    color: #111827;
}

.badge-event {
    background: var(--color-badge-event);
}

.badge-status {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
}

.badge-status[data-status="trial"] {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.badge-status[data-status="active"] {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-status[data-status="suspended"] {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-status[data-status="cancelled"] {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Generic badge variants (for status, priority, etc.) */
.badge-info {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Clickable tag pills */
a.tag-pill {
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.15s;
}

a.tag-pill:hover {
    opacity: 0.75;
}

/* Filter form inline layout */
.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--card-radius);
    padding: 16px 20px;
}

.filter-form .form-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

.filter-form .form-label {
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.filter-form .form-control {
    background: var(--color-surface);
    font-size: var(--text-body);
    padding: 6px 10px;
}

.filter-form select.form-control {
    padding-right: 32px;
}

.filter-actions {
    display: flex;
    gap: 8px;
    align-self: flex-end;
    flex-shrink: 0;
}

/* Code block for entry body */
.code-block {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: 6px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-x: auto;
}


/* --- Flash Messages --- */

.flash {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--btn-radius);
    font-size: var(--text-body);
    margin-bottom: 16px;
    border: 1px solid transparent;
}

.flash-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: #065F46;
}

.flash-error {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: #991B1B;
}

.flash-warning {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
    color: #92400E;
}

.flash-info {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
    color: #1E40AF;
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.5;
    padding: 0;
    font-size: 18px;
    line-height: 1;
    transition: opacity var(--transition);
}

.flash-close:hover {
    opacity: 1;
}


/* --- Empty States --- */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--text-heading);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.empty-state-message {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    max-width: 400px;
    margin-bottom: 20px;
}


/* --- Modals --- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--card-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(8px);
    transition: transform var(--transition);
}

.modal-overlay.is-active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px var(--card-padding);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2,
.modal-header h3 {
    font-size: var(--text-heading);
    font-weight: 600;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--btn-radius);
    font-size: 18px;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.modal-body {
    padding: var(--card-padding);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px var(--card-padding);
    border-top: 1px solid var(--color-border);
}

.modal-cancel {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    padding: 8px 16px;
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.modal-cancel:hover {
    background: var(--color-bg);
    border-color: var(--color-text-secondary);
}


/* --- Forms --- */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-required {
    color: var(--color-danger);
    margin-left: 2px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    font-size: var(--text-body);
    color: var(--color-text);
    background: var(--color-surface);
    transition: all var(--transition);
    line-height: 1.5;
}

.form-control::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 5l3 3 3-3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-hint {
    display: block;
    font-size: var(--text-caption);
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.form-error {
    display: block;
    font-size: var(--text-caption);
    color: var(--color-danger);
    margin-top: 4px;
}

.has-error .form-control {
    border-color: var(--color-danger);
}

.has-error .form-control:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.has-error .form-label {
    color: var(--color-danger);
}


/* --- API Key Display --- */

.api-key-display {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    padding: 16px;
}

.api-key-new {
    background: rgba(16, 185, 129, 0.06);
    border-color: rgba(16, 185, 129, 0.2);
}

.api-key-value {
    font-family: var(--font-mono);
    font-size: 13px;
    padding: 10px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    word-break: break-all;
    user-select: all;
    margin-bottom: 8px;
}

.api-key-warning {
    font-size: var(--text-caption);
    color: var(--color-warning);
    font-weight: 500;
    margin-top: 8px;
}

.api-key-masked {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.api-key-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.api-key-meta {
    font-size: var(--text-caption);
    color: var(--color-text-secondary);
}


/* --- Pagination --- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 16px 0;
    list-style: none;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    font-size: var(--text-body);
    color: var(--color-text);
    transition: all var(--transition);
}

.pagination a:hover {
    background: var(--color-bg);
    border-color: var(--color-text-secondary);
    color: var(--color-text);
}

.pagination .active span {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
}

.pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}


/* --- Monospace Utility --- */

.mono {
    font-family: var(--font-mono);
    font-size: 13px;
}


/* --- Section Headings --- */

h1 {
    font-size: var(--text-title);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: var(--text-heading);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.3;
}


/* --- Utility Classes --- */

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 4px;
}

.mt-2 {
    margin-top: 8px;
}

.mt-3 {
    margin-top: 16px;
}

.mt-4 {
    margin-top: 24px;
}

.mb-1 {
    margin-bottom: 4px;
}

.mb-2 {
    margin-bottom: 8px;
}

.mb-3 {
    margin-bottom: 16px;
}

.mb-4 {
    margin-bottom: 24px;
}


/* --- Responsive --- */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.is-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .top-bar {
        padding: 0 16px;
    }

    .content-area {
        padding: 16px;
    }

    .main-footer {
        padding: 16px;
    }

    .card-header,
    .card-body,
    .card-footer {
        padding: 16px;
    }

    .modal {
        margin: 16px;
        max-width: calc(100% - 32px);
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 16px;
    }

    /* Tables become stacked cards on narrow screens */
    .data-table-wrapper {
        overflow-x: visible;
    }

    .data-table,
    .data-table thead,
    .data-table tbody,
    .data-table th,
    .data-table td,
    .data-table tr {
        display: block;
    }

    .data-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .data-table tbody tr {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--card-radius);
        padding: 12px 16px;
        margin-bottom: 8px;
    }

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

    .data-table td {
        padding: 4px 0;
        border-bottom: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 28px;
    }

    .data-table td::before {
        content: attr(data-label);
        font-size: 11px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--color-text-secondary);
        margin-right: 16px;
        flex-shrink: 0;
    }

    /* Ensure tap targets are at least 44px */
    .btn {
        min-height: 44px;
        padding: 10px 16px;
    }

    .btn-sm {
        min-height: 36px;
    }

    .nav-link {
        min-height: 44px;
        padding: 10px 12px;
    }

    .pagination a,
    .pagination span {
        min-width: 44px;
        height: 44px;
    }

    .form-control {
        padding: 10px 12px;
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 20px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}