/* ============================================
   AI LABS - STYLING
   Uses design tokens from style.css
   ============================================ */

/* --- AI Labs Layout --- */
.ai-labs-container {
    min-height: 100vh;
    background: var(--bg-primary);
    padding: var(--space-xl);
}

.ai-labs-header {
    max-width: 1200px;
    margin: 0 auto var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.ai-labs-logo-icon {
    font-size: 2rem;
}

.ai-labs-logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Session Status Banner --- */
.session-banner {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.session-banner-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
}

.session-banner-item svg {
    width: 16px;
    height: 16px;
}

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

.session-banner-warning {
    color: var(--warning);
}

.session-banner-divider {
    width: 1px;
    height: 20px;
    background: var(--glass-border);
}

/* --- Gate Page --- */
.gate-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--bg-primary);
}

.gate-card {
    max-width: 480px;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
}

.gate-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.gate-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.gate-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.gate-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.gate-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.gate-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.gate-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.gate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.gate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.gate-btn-loading .btn-text {
    display: none;
}

.gate-btn-loading .btn-spinner {
    display: block;
}

.btn-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.gate-features {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
    text-align: left;
}

.gate-features-title {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gate-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
}

.gate-feature svg {
    color: var(--success);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.gate-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.gate-divider::before,
.gate-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.gate-clerk-btn {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--duration-fast), border-color var(--duration-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.gate-clerk-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
}

/* --- Success State --- */
.gate-success {
    display: none;
}

.gate-success.visible {
    display: block;
}

.gate-success-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.gate-success-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.gate-success-message {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Error State --- */
.gate-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--error);
    font-size: 0.9375rem;
    display: none;
}

.gate-error.visible {
    display: block;
}

/* --- Dashboard --- */
.dashboard-content {
    max-width: 1200px;
    margin: 0 auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.tool-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: transform var(--duration-normal), border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}

.tool-card.active {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

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

.tool-card.disabled:hover {
    transform: none;
    border-color: var(--glass-border);
    box-shadow: none;
}

.tool-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

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

.tool-card-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.tool-card-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-light);
    margin-top: var(--space-md);
}

.tool-card-badge.coming-soon {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

/* --- Active Tool Area --- */
.active-tool-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--border);
    border-radius: var(--radius-xl);
    min-height: 500px;
    overflow: hidden;
}

.active-tool-header {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.active-tool-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.active-tool-content {
    height: 450px;
    display: flex;
    flex-direction: column;
}

/* --- Chat Interface in Labs --- */
.labs-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.labs-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.labs-chat-input-area {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: var(--space-sm);
}

.labs-chat-input {
    flex: 1;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
}

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

.labs-chat-send {
    padding: var(--space-md) var(--space-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: transform var(--duration-fast);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.labs-chat-send:hover {
    transform: scale(1.05);
}

.labs-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* --- Chat Messages --- */
.labs-message {
    max-width: 80%;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    line-height: 1.6;
}

.labs-message.user {
    background: var(--accent-gradient);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: var(--radius-sm);
}

.labs-message.bot {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: var(--radius-sm);
}

.labs-message.bot code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

/* --- Upgrade Prompt --- */
.upgrade-prompt {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin: var(--space-lg);
}

.upgrade-prompt-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.upgrade-prompt-message {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.upgrade-prompt-btn {
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

/* --- Back to Portfolio Link --- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--duration-fast);
}

.back-link:hover {
    color: var(--accent-light);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .ai-labs-container {
        padding: var(--space-md);
    }

    .ai-labs-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .session-banner {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
    }

    .gate-card {
        padding: var(--space-xl);
    }

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

    .active-tool-content {
        height: 400px;
    }

    .labs-message {
        max-width: 90%;
    }
}

/* --- Chat Widget Redirect Modal (Popup Style) --- */
.chat-redirect-modal {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 340px;
    max-width: calc(100vw - 40px);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--border);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.95);
    transform-origin: bottom right;
    transition: opacity var(--duration-normal), visibility var(--duration-normal), transform var(--duration-normal);
    z-index: 1000;
}

.chat-redirect-modal.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-redirect-modal .chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: var(--border);
}

.chat-redirect-modal .chat-identity {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.chat-redirect-modal .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.chat-redirect-modal .bot-name {
    font-weight: 600;
    color: var(--text-primary);
}

.chat-redirect-modal .bot-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-redirect-modal .status-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
}

.chat-redirect-modal .chat-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast);
}

.chat-redirect-modal .chat-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-redirect-content {
    padding: var(--space-xl);
    text-align: center;
}

.chat-redirect-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.chat-redirect-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.chat-redirect-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.chat-redirect-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    text-align: left;
}

.chat-redirect-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.chat-redirect-feature i {
    width: 16px;
    height: 16px;
    color: var(--accent-light);
}

.chat-redirect-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.chat-redirect-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.chat-redirect-btn i {
    width: 16px;
    height: 16px;
}