@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --primary-color: #2563eb;      /* Primary Action (Indigo) */
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary-color: #10b981;    /* Success/Positive Actions (Emerald) */
    --danger-color: #ef4444;       /* Destructive Actions (Rose) */
    
    /* Layout & Components */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --nav-height: 72px;
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Theme Transition */
    --theme-transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                         color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                         border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                         box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:root, [data-theme="light"] {
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --primary-light: #eff6ff;
    --nav-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    
    color-scheme: light;

    /* Light Mode Badges */
    --badge-primary-bg: #eff6ff;
    --badge-primary-text: #2563eb;
    --badge-success-bg: #ecfdf5;
    --badge-success-text: #10b981;
    --badge-danger-bg: #fef2f2;
    --badge-danger-text: #ef4444;
    --badge-slate-bg: #f1f5f9;
    --badge-slate-text: #64748b;
    
    /* Settings Tabs */
    --tab-bg: #f1f5f9;
    --tab-active-bg: #ffffff;
    --tab-active-text: #2563eb;
    --tab-text: #64748b;
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary-light: rgba(37, 99, 235, 0.15);
    --nav-bg: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5);

    color-scheme: dark;

    /* Dark Mode Badges */
    --badge-primary-bg: rgba(37, 99, 235, 0.2);
    --badge-primary-text: #60a5fa;
    --badge-success-bg: rgba(16, 185, 129, 0.2);
    --badge-success-text: #34d399;
    --badge-danger-bg: rgba(239, 68, 68, 0.2);
    --badge-danger-text: #fb7185;
    --badge-slate-bg: #334155;
    --badge-slate-text: #cbd5e1;

    /* Settings Tabs */
    --tab-bg: #0f172a;
    --tab-active-bg: #1e293b;
    --tab-active-text: #60a5fa;
    --tab-text: #94a3b8;
}

.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--theme-transition);
}

.code-block {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-color);
    overflow-x: auto;
    white-space: pre;
    font-family: 'JetBrains Mono', monospace;
}

.message-preview {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    color: var(--text-color);
    word-break: break-all;
}

.expanded-row td {
    /* Removed max-width: 0 as it caused column alignment issues when rows were expanded */
}

.expanded-row {
    background-color: var(--bg-color);
}

[data-theme="dark"] .expanded-row {
    background-color: rgba(255, 255, 255, 0.02);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

.hover-opacity:hover {
    opacity: 0.9;
}

/* Auto-Refresh Toggle */
.refresh-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 600;
}

.refresh-toggle:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.refresh-toggle.active {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background-color: rgba(16, 185, 129, 0.1);
}

.refresh-toggle i {
    font-size: 0.875rem;
}

.refresh-toggle .toggle-label {
    white-space: nowrap;
}

.refresh-toggle.active i {
    color: var(--secondary-color);
}

.fa-spin {
    animation: fa-spin 2s infinite linear;
}

@keyframes fa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    transition: var(--theme-transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.2s;
}

/* Typography */
h1 {
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.text-muted { color: var(--text-muted); }
.text-small { font-size: 0.875rem; }

/* Navigation Bar */
.navbar {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: var(--theme-transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    flex-wrap: nowrap;
}

.navbar .flex.items-center {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--primary-color);
    letter-spacing: -0.025em;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    flex-wrap: nowrap;
    margin-right: auto;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.nav-links a:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

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

.divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 0.5rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: nowrap;
    flex-shrink: 0;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 0.5rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.user-name {
    font-weight: 700;
    color: var(--text-color);
    font-size: 0.875rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tenant-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--text-muted);
    transition: all 0.2s;
}

.logout-btn:hover {
    background-color: #fee2e2;
    color: var(--danger-color);
}

[data-theme="dark"] .logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.15);
}

.theme-toggle {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background: transparent;
    border: none;
    color: var(--text-muted);
}

.theme-toggle:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

/* Components: Cards */
.app-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--theme-transition), transform 0.2s;
}

.app-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.app-card-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Components: Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: 0.2s;
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-icon:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    background: var(--primary-light);
    color: var(--text-color);
}

/* AI Insights Component */
.ai-insights-card {
    border-left: 4px solid #8b5cf6; /* Purple for AI */
    background: linear-gradient(to right, rgba(139, 92, 246, 0.05), transparent);
}

.ai-insights-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.ai-insights-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #8b5cf6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-muted);
}

.ai-pulse {
    width: 12px;
    height: 12px;
    background: #8b5cf6;
    border-radius: 50%;
    margin-bottom: 1rem;
    animation: pulse 1.5s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0.5; }
}

.ai-section-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.ai-list {
    margin-bottom: 1rem;
    padding-left: 1.25rem;
}

.ai-list li {
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.btn-danger-icon {
    color: var(--danger-color);
}

.btn-danger-icon:hover {
    background: #fef2f2;
    border-color: #fee2e2;
}

/* Components: Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-primary {
    background: var(--badge-primary-bg);
    color: var(--badge-primary-text);
}

.badge-success {
    background: var(--badge-success-bg);
    color: var(--badge-success-text);
}

.badge-danger {
    background: var(--badge-danger-bg);
    color: var(--badge-danger-text);
}

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

/* Components: Tables */
.table-responsive {
    overflow-x: auto;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

/* Dark Mode Overrides */
[data-theme="dark"] img {
    filter: brightness(.8) contrast(1.2);
}

[data-theme="dark"] select option {
    background-color: #1e293b;
    color: var(--text-color);
}

[data-theme="dark"] .app-card,
[data-theme="dark"] .table-responsive,
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .app-card pre,
[data-theme="dark"] .table tr[id^="trace-"] pre {
    background-color: rgba(0,0,0,0.3) !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .table th {
    background: rgba(255,255,255,0.02);
}

[data-theme="dark"] .table tr[id^="trace-"] {
    background-color: rgba(255,255,255,0.02) !important;
}

[data-theme="dark"] .table tr[id^="trace-"] pre {
    background-color: rgba(0,0,0,0.2) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .btn-icon {
    border-color: var(--border-color);
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
}

[data-theme="dark"] .btn-icon:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-color);
}

[data-theme="dark"] .stacktrace {
    background: #000000;
    border-color: #334155;
}

[data-theme="dark"] .btn-ghost:hover {
    background: rgba(255,255,255,0.05);
}

.table th {
    background: rgba(0,0,0,0.02);
    padding: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .table th {
    background: rgba(255,255,255,0.02);
}

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

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

.table tr:hover td {
    background-color: var(--primary-light);
}

[data-theme="dark"] .table tr:hover td {
    background-color: rgba(255,255,255,0.05) !important;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Specific Layouts */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    padding: 1.5rem;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 768px) {
    .md-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
    .lg-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .grid-cols-2 { grid-template-columns: 1fr; }
}
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-6 { gap: 1.5rem; }

.kpi-card {
    min-height: 120px;
    padding: 1.5rem !important;
}

/* Utilities */
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.p-0 { padding: 0 !important; }
.p-4 { padding: 1rem !important; }
.p-6 { padding: 1.5rem !important; }
.w-full { width: 100%; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

/* Settings Layout */
.settings-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    align-items: start;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--tab-text);
    transition: all 0.2s;
    border: 1px solid transparent;
}

.settings-nav-item:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.settings-nav-item.active {
    background-color: var(--tab-active-bg);
    color: var(--tab-active-text);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.settings-content {
    min-width: 0;
}

.settings-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.settings-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
    .settings-layout {
        grid-template-columns: 1fr;
    }
    
    .settings-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        position: static;
        margin-bottom: 1rem;
    }
    
    .settings-nav-item {
        white-space: nowrap;
    }
}

/* Compact Form Tweaks */
.form-compact .form-group {
    margin-bottom: 1rem;
}

.form-compact .form-grid {
    gap: 1rem;
}

/* Status Colors & Badges */
.badge-fatal { background: #fee2e2; color: #dc2626; border: 1px solid rgba(220, 38, 38, 0.2); }
.badge-error { background: var(--badge-danger-bg); color: var(--badge-danger-text); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-warn { background: #fef3c7; color: #d97706; border: 1px solid rgba(217, 119, 6, 0.2); }
.badge-info { background: var(--badge-success-bg); color: var(--badge-success-text); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-debug { background: var(--badge-slate-bg); color: var(--badge-slate-text); border: 1px solid var(--border-color); }

[data-theme="dark"] .badge-fatal { background: rgba(220, 38, 38, 0.2); color: #f87171; border-color: rgba(220, 38, 38, 0.3); }
[data-theme="dark"] .badge-error { background: var(--badge-danger-bg); color: var(--badge-danger-text); border-color: var(--badge-danger-text); }
[data-theme="dark"] .badge-warn { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
[data-theme="dark"] .badge-info { background: var(--badge-success-bg); color: var(--badge-success-text); border-color: var(--badge-success-text); }
[data-theme="dark"] .badge-debug { background: var(--badge-slate-bg); color: var(--badge-slate-text); border-color: var(--badge-slate-text); }

.severity-FATAL { color: #dc2626; font-weight: 700; }

.text-success { color: var(--secondary-color); }
.text-danger { color: var(--danger-color); }
.bg-black-20 { background: rgba(0, 0, 0, 0.05); }
.severity-ERROR { color: var(--danger-color); font-weight: 600; }
.severity-WARN { color: #f59e0b; font-weight: 600; }
.severity-INFO { color: var(--secondary-color); }
.severity-DEBUG { color: var(--text-muted); }

/* Stack Trace */
.stacktrace {
    position: relative;
    background: #0f172a;
    color: #e2e8f0;
    padding: 1.25rem;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    overflow-x: auto;
    margin-top: 0.75rem;
    border: 1px solid var(--border-color);
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    box-shadow: var(--shadow-sm);
}

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

.copy-btn.success {
    background: var(--secondary-color) !important;
    color: white !important;
    border-color: var(--secondary-color) !important;
}

[data-theme="dark"] .stacktrace {
    background: #000000 !important;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

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

/* Mobile */
@media (max-width: 768px) {
    .nav-links span { display: none; }
    .nav-links a { padding: 0.5rem; }
    .form-grid { grid-template-columns: 1fr; }
    .navbar .user-profile { display: none; }
}