/**
 * IA Construtora - Styles CSS
 * 
 * Design System inspirado no exemplo estático
 * - Dark theme com acentos vibrantes
 * - Cards com blur sutil
 * - Transições suaves
 * - Responsividade mobile-first
 * - Acessibilidade AA
 */

/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Dark Theme */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: rgba(30, 41, 59, 0.8);
    --bg-blur: rgba(15, 23, 42, 0.95);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border-primary: #334155;
    --border-secondary: #475569;
    
    /* Accent Colors */
    --accent-primary: #3b82f6;    /* blue-500 */
    --accent-secondary: #10b981;  /* emerald-500 */
    --accent-warning: #f59e0b;    /* amber-500 */
    --accent-danger: #ef4444;     /* red-500 */
    --accent-purple: #a78bfa;     /* violet-400 */
    --accent-teal: #14b8a6;       /* teal-500 */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
    --gradient-secondary: linear-gradient(135deg, var(--accent-secondary), var(--accent-teal));
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Shadows */
    --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);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    overflow-x: hidden;
}

body[data-theme="dark"] {
    /* Dark theme styles - can be extended later */
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--accent-purple);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    background: transparent;
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--border-secondary);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* ===== CARDS ===== */
.card, .card-like {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-secondary);
}

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

.card-header h2, .card-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ===== DASHBOARD LAYOUT ===== */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-blur);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 10;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.logo-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin: var(--spacing-xs) 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: var(--font-size-base);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

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

.nav-link.active {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

.nav-icon {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.system-status {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-danger);
}

.status-indicator.online {
    background: var(--accent-secondary);
    box-shadow: 0 0 8px var(--accent-secondary);
}

.status-indicator.offline {
    background: var(--accent-danger);
}

.status-text {
    color: var(--text-secondary);
}

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

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-xl);
    max-width: calc(100vw - 280px);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

.tab-header {
    margin-bottom: var(--spacing-xl);
}

.tab-header h2 {
    margin-bottom: var(--spacing-sm);
}

.tab-header p {
    color: var(--text-muted);
    margin: 0;
}

/* ===== CHAT LAYOUT ===== */
.chat-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
    height: calc(100vh - 200px);
}

.chat-section, .preview-section {
    display: flex;
    flex-direction: column;
}

.chat-card, .preview-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.chat-header, .preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-lg);
    margin: 0;
}

.chat-controls, .preview-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.preview-select {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 80%;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message.user .message-content {
    background: var(--gradient-primary);
    color: white;
}

.message.system {
    align-self: center;
    max-width: 90%;
}

.message.system .message-content {
    background: var(--bg-tertiary);
    text-align: center;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.message-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    position: relative;
    word-wrap: break-word;
}

.message-text {
    margin-bottom: var(--spacing-sm);
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-align: right;
}

.message-citations {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-primary);
}

.message-citations details {
    font-size: var(--font-size-sm);
}

.message-citations summary {
    cursor: pointer;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.message-citations ul {
    list-style: none;
    padding-left: var(--spacing-md);
}

.message-citations li {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.reference {
    background: var(--accent-primary);
    color: white;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Typing indicator */
.message.typing .message-content {
    padding: var(--spacing-sm) var(--spacing-md);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chat Input */
.chat-input-area {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
}

.chat-input-wrapper textarea {
    flex: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    resize: none;
    min-height: 40px;
    max-height: 120px;
}

.chat-input-wrapper textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.chat-suggestions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.suggestion-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    background: transparent;
    position: relative;
    overflow: hidden;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

/* Preview */
.preview-content {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.preview-content iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

/* ===== TRAINING INTERFACE ===== */
.training-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.training-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.training-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.brain-icon {
    font-size: var(--font-size-4xl);
}

.subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    margin: 0;
}

.training-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.editor-section, .learning-section {
    display: flex;
    flex-direction: column;
}

.editor-card, .learning-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.training-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    position: relative;
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.editor-wrapper {
    flex: 1;
    padding: var(--spacing-lg);
}

.knowledge-textarea {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    resize: vertical;
}

.knowledge-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.editor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.editor-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.editor-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Learning Visualization */
.learning-stats {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.points-counter {
    font-weight: 600;
    color: var(--accent-secondary);
}

.total-trained {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.training-status {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.training-status.idle {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.training-status.loading {
    background: var(--accent-warning);
    color: white;
}

.training-status.success {
    background: var(--accent-secondary);
    color: white;
}

.training-status.error {
    background: var(--accent-danger);
    color: white;
}

.points-container {
    flex: 1;
    padding: var(--spacing-lg);
}

.points-list {
    max-height: 400px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.point-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-secondary);
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
}

.point-item.trained {
    border-left-color: var(--accent-secondary);
    background: rgba(16, 185, 129, 0.1);
}

.point-item.pending {
    border-left-color: var(--accent-warning);
    background: rgba(245, 158, 11, 0.1);
}

.point-indicator {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.point-content {
    flex: 1;
}

.point-text {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.point-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.learning-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.learning-progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-secondary);
    width: 0%;
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-align: center;
}

/* Activity Log */
.activity-section {
    margin-top: var(--spacing-xl);
}

.activity-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    padding: 0;
}

.activity-log {
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.log-entry {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-primary);
    font-size: var(--font-size-sm);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-muted);
    font-family: monospace;
    flex-shrink: 0;
}

.log-message {
    color: var(--text-secondary);
}

.log-entry.system .log-message {
    color: var(--accent-primary);
}

/* ===== PROJECT WIZARD ===== */
.wizard-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.wizard-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.wizard-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.magic-icon {
    font-size: var(--font-size-4xl);
}

.wizard-main {
    margin-bottom: var(--spacing-xl);
}

.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: slideIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.step-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-xl);
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.project-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.project-type-card {
    display: block;
    cursor: pointer;
    position: relative;
}

.project-type-card input[type="radio"] {
    display: none;
}

.project-type-card .card-content {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.project-type-card:hover .card-content {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-type-card input:checked + .card-content {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

.card-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.card-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-content p {
    color: var(--text-muted);
    margin: 0;
}

/* Tech Selection */
.tech-selection {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.tech-category h3 {
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.tech-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.tech-option:hover {
    background: var(--bg-tertiary);
}

.tech-option input[type="checkbox"] {
    margin: 0;
}

.tech-option input:checked + .tech-label {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Project Details */
.project-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-group small {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* Project Summary */
.project-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.summary-item {
    padding: var(--spacing-sm);
}

.summary-item strong {
    color: var(--accent-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.summary-description {
    border-top: 1px solid var(--border-primary);
    padding-top: var(--spacing-lg);
}

.summary-description strong {
    color: var(--accent-primary);
}

/* Generated Plan */
.generated-plan {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.plan-content {
    margin-bottom: var(--spacing-lg);
}

.plan-text {
    line-height: 1.8;
    color: var(--text-secondary);
}

.plan-text p {
    margin-bottom: var(--spacing-md);
}

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

.plan-citations {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.plan-citations h4 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.plan-citations ul {
    list-style: none;
}

.plan-citations li {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.plan-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Wizard Navigation */
.wizard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.step-indicators {
    display: flex;
    gap: var(--spacing-sm);
}

.step-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    transition: background var(--transition-fast);
}

.step-indicator.active {
    background: var(--accent-primary);
}

/* ===== ACTION CARDS ===== */
.training-actions,
.generator-actions,
.export-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.action-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.action-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.action-content {
    flex: 1;
}

.action-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.action-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
}

.training-stats,
.quick-questions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    min-width: 80px;
}

.stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--accent-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.deploy-checklist ul {
    list-style: none;
    margin: 0;
}

.deploy-checklist li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.config-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.config-status {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ===== LOADING & TOASTS ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    text-align: center;
    color: var(--text-primary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md) auto;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border: 2px solid var(--bg-tertiary);
    border-top: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    animation: slideInRight 0.3s ease-out;
}

.toast.toast-hiding {
    animation: slideOutRight 0.3s ease-in;
}

.toast-success {
    border-left: 4px solid var(--accent-secondary);
}

.toast-error {
    border-left: 4px solid var(--accent-danger);
}

.toast-warning {
    border-left: 4px solid var(--accent-warning);
}

.toast-info {
    border-left: 4px solid var(--accent-primary);
}

.toast-message {
    flex: 1;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    margin-left: var(--spacing-md);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100vw;
    }
    
    .chat-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .training-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        transform: none;
    }
    
    .main-content {
        margin: 0;
        padding: var(--spacing-md);
    }
    
    .project-type-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-options {
        flex-direction: column;
    }
    
    .wizard-nav {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .training-actions,
    .generator-actions,
    .export-actions {
        grid-template-columns: 1fr;
    }
    
    .action-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .training-container,
    .wizard-container {
        padding: var(--spacing-md);
    }
    
    .training-header h1,
    .wizard-header h1 {
        font-size: var(--font-size-2xl);
        flex-direction: column;
    }
    
    .chat-input-wrapper {
        flex-direction: column;
    }
    
    .editor-footer {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-actions {
        flex-direction: column;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --text-primary: #ffffff;
        --border-primary: #666666;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (forced-colors: active) {
    .card {
        border: 1px solid ButtonText;
    }
    
    .btn-primary {
        background: ButtonFace;
        color: ButtonText;
        border: 1px solid ButtonText;
    }
}