/*
 * AI Interface - Anthropic-inspired minimal design
 * Muted colors, clean typography, plenty of whitespace
 */

:root {
    /* Muted, warm color palette */
    --color-bg: #FAFAF9;
    --color-bg-secondary: #F5F5F4;
    --color-surface: #FFFFFF;
    --color-border: #E7E5E4;
    --color-border-subtle: #F5F5F4;

    /* Text colors */
    --color-text-primary: #1C1917;
    --color-text-secondary: #57534E;
    --color-text-muted: #A8A29E;

    /* Accent - subtle warm tone */
    --color-accent: #D97706;
    --color-accent-subtle: #FEF3C7;
    --color-accent-hover: #B45309;

    /* Status colors - muted versions */
    --color-success: #059669;
    --color-success-subtle: #D1FAE5;
    --color-warning: #D97706;
    --color-warning-subtle: #FEF3C7;
    --color-error: #DC2626;
    --color-error-subtle: #FEE2E2;
    --color-info: #0284C7;
    --color-info-subtle: #E0F2FE;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
    --sidebar-bg: #FAFAF9;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows - very subtle */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--color-text-primary);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.logo-text {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.nav-item.active {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
}

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

/* Tooltip for collapsed sidebar */
.nav-item {
    position: relative;
}

.nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-text-primary);
    color: var(--color-surface);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    pointer-events: none;
    z-index: 1000;
    margin-left: var(--spacing-sm);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

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

.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-xs);
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-plan {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.user-menu-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.user-menu-btn:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.user-menu-btn svg {
    width: 16px;
    height: 16px;
}

.user-dropdown {
    display: none;
    position: absolute;
    bottom: 100%;
    left: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.user-dropdown.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-xs) 0;
}

/* Account Sub-Sidebar Panel */
.sidebar-footer {
    position: relative;
}

.user-menu {
    cursor: pointer;
}

.user-menu .menu-chevron {
    margin-left: auto;
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
}

.user-menu.active .menu-chevron {
    transform: rotate(180deg);
}

.account-panel {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 8px;
    right: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s ease;
    z-index: 100;
    overflow: hidden;
}

.account-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.account-panel-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.account-panel-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.account-panel-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-accent-subtle) 0%, #e8e4df 100%);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.account-panel-details {
    flex: 1;
    min-width: 0;
}

.account-panel-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-panel-email {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-panel-nav {
    padding: var(--spacing-xs);
}

.account-panel-section {
    padding: var(--spacing-xs) 0;
}

.account-panel-section:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.account-panel-label {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.account-panel-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.account-panel-item:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.account-panel-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.account-panel-item:hover svg {
    color: var(--color-accent);
}

.account-panel-item .item-label {
    flex: 1;
}

.account-panel-item .item-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: 10px;
    font-weight: 500;
}

.account-panel-item.danger {
    color: #c53030;
}

.account-panel-item.danger:hover {
    background: #fff5f5;
    color: #c53030;
}

.account-panel-item.danger svg {
    color: #c53030;
}

/* Account panel backdrop */
.account-panel-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99;
}

.account-panel-backdrop.show {
    display: block;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-xl);
    max-width: calc(100% - var(--sidebar-width));
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Breadcrumb */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.breadcrumb-link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.breadcrumb-current {
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Content Header */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
}

.header-left h1 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    font-family: var(--font-family);
}

.btn svg {
    width: 16px;
    height: 16px;
}

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

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

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

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

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

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

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

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: none;
    padding: var(--spacing-xs);
}

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

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 0;
}

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

.chat-message {
    display: flex;
    gap: var(--spacing-md);
    max-width: 85%;
}

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

.chat-message.assistant {
    align-self: flex-start;
}

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

.chat-message.user .message-avatar {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent);
}

.chat-message.assistant .message-avatar {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
}

.message-content {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.chat-message.user .message-content {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message.assistant .message-content {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border-bottom-left-radius: var(--radius-sm);
}

.message-content ul {
    margin: var(--spacing-sm) 0 0 0;
    padding-left: var(--spacing-lg);
}

.message-content li {
    margin-bottom: var(--spacing-xs);
}

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

.chat-message.assistant .message-time {
    text-align: left;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
}

.welcome-message h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.welcome-message p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.quick-action-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.quick-action-btn:hover {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-text-muted);
    color: var(--color-text-primary);
}

.quick-action-btn svg {
    width: 16px;
    height: 16px;
}

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

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

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    resize: none;
    min-height: 44px;
    max-height: 120px;
    transition: border-color var(--transition-fast);
}

.chat-input:focus {
    outline: none;
    border-color: var(--color-text-muted);
}

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

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    border: none;
    background-color: var(--color-text-primary);
    color: var(--color-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background-color: var(--color-text-secondary);
}

.chat-send-btn:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

.chat-send-btn svg {
    width: 18px;
    height: 18px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md) var(--spacing-lg);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

/* AI Status Indicator */
.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.ai-status.healthy {
    background-color: var(--color-success-subtle);
    color: var(--color-success);
}

.ai-status.unhealthy {
    background-color: var(--color-error-subtle);
    color: var(--color-error);
}

.ai-status.checking {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
}

.ai-status.healthy .status-dot {
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Loading Spinner */
.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-text-muted);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Result Cards */
.result-card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.result-card h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.result-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.result-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Responsive */

/* Collapsed sidebar for medium viewports */
@media (max-width: 1024px) and (min-width: 769px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
        transition: width var(--transition-base);
        overflow: hidden;
    }

    .sidebar-header {
        padding: var(--spacing-md);
        display: flex;
        justify-content: center;
    }

    .logo {
        justify-content: center;
    }

    .logo-text {
        display: none !important;
    }

    .sidebar-nav {
        padding: var(--spacing-sm);
    }

    .nav-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .nav-label {
        display: none !important;
    }

    .nav-item {
        justify-content: center;
        padding: var(--spacing-sm);
        width: 100%;
    }

    .nav-item span {
        display: none !important;
    }

    .nav-icon {
        width: 22px;
        height: 22px;
        margin: 0;
    }

    /* Show tooltips in collapsed mode */
    .nav-item:hover::after {
        opacity: 1;
        visibility: visible;
    }

    .sidebar-footer {
        padding: var(--spacing-sm);
    }

    .user-menu {
        justify-content: center;
        padding: var(--spacing-sm);
    }

    .user-info,
    .user-menu-btn,
    .menu-chevron {
        display: none !important;
    }

    .account-panel {
        left: var(--spacing-sm);
        right: auto;
        width: 200px;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed-width);
        max-width: calc(100% - var(--sidebar-collapsed-width));
    }
}

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

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

    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: var(--spacing-md);
    }

    .content-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .chat-message {
        max-width: 95%;
    }

    .quick-actions {
        flex-direction: column;
    }

    .quick-action-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Form elements for generation forms */
.generation-form {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-text-muted);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Enhanced inputs section */
.enhanced-inputs-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.enhanced-inputs-section h6 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.enhanced-inputs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .enhanced-inputs-grid {
        grid-template-columns: 1fr;
    }
}

/* Progress indicator */
.generation-progress {
    display: none;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.generation-progress.show {
    display: block;
}

.progress-bar-wrapper {
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
    height: 4px;
    overflow: hidden;
    margin: var(--spacing-md) 0;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

/* Results Section */
.results-section {
    display: none;
    margin-top: var(--spacing-lg);
}

.results-section.show {
    display: block;
}

.canvas-section {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.canvas-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.canvas-section h6 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.canvas-section p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.refine-btn {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.canvas-section:hover .refine-btn {
    opacity: 1;
}

/* Alert styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.alert-info {
    background-color: var(--color-info-subtle);
    color: var(--color-info);
}

.alert-success {
    background-color: var(--color-success-subtle);
    color: var(--color-success);
}

.alert-warning {
    background-color: var(--color-warning-subtle);
    color: var(--color-warning);
}

.alert-error {
    background-color: var(--color-error-subtle);
    color: var(--color-error);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

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

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

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}