/* Kantum - Modern Multi-Tenant SaaS Application Styles */

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

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.nav {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
}

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

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

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

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

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    margin-right: 0.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.form-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border-color: #86efac;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-color: #fde047;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-color: #93c5fd;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    margin-bottom: 1rem;
}

.card-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features */
.features {
    padding: 4rem 0;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Dashboard */
.page-container {
    padding: 2rem 0;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.dashboard-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.dashboard-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Stats */
.stats-section {
    margin-top: 3rem;
}

.stats-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Voice/Orb Interface */
.voice-container {
    max-width: 800px;
    margin: 0 auto;
}

.orb-section {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto 2rem;
}

#orb-canvas {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.orb-status {
    text-align: center;
    margin-top: 1rem;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.voice-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.transcript-container {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
}

.transcript-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

.transcript-message {
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 0.5rem;
    line-height: 1.5;
}

.transcript-user {
    background-color: #ede9fe;
    color: #4c1d95;
    margin-left: 2rem;
}

.transcript-assistant {
    background-color: #f0f9ff;
    color: #0c4a6e;
    margin-right: 2rem;
}

.transcript-interim {
    opacity: 0.6;
    font-style: italic;
}

/* Memory Map */
.memory-map-container {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    min-height: 600px;
    position: relative;
}

#memory-graph {
    width: 100%;
    height: 600px;
}

.memory-node {
    cursor: pointer;
    transition: all 0.2s;
}

.memory-node:hover {
    opacity: 0.8;
}

.memory-node-label {
    font-size: 12px;
    fill: var(--text-primary);
    pointer-events: none;
}

/* Memory List */
.memory-list {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.memory-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.memory-item:last-child {
    border-bottom: none;
}

.memory-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

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

.memory-content {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

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

.memory-status {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.memory-status-active {
    background-color: #dcfce7;
    color: #166534;
}

.memory-status-deleted {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Tables */
.table-container {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

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

thead {
    background-color: var(--bg-secondary);
}

th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 0.25rem;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Install Page */
.install-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.install-card {
    background-color: var(--bg-primary);
    padding: 3rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
}

.install-card h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.install-form {
    margin-top: 2rem;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 450px;
    width: 100%;
}

.auth-card h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
}

.auth-card p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* CTA */
.cta {
    padding: 4rem 0;
    text-align: center;
    background-color: var(--bg-primary);
}

.cta h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .orb-section {
        width: 300px;
        height: 300px;
    }

    .transcript-user,
    .transcript-assistant {
        margin-left: 0;
        margin-right: 0;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(99, 102, 241, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-close {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

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