/* QiM-AI Page Styling */

.qim-hero {
    background: linear-gradient(135deg, var(--oxford-navy) 0%, var(--academic-blue) 100%);
    padding: 100px 0;
    color: var(--ivory-white);
    position: relative;
}

.qim-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(212, 168, 75, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(212, 168, 75, 0.05) 0%, transparent 50%);
}

.qim-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.qim-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.qim-hero-content h1 {
    font-size: 4rem;
    font-family: var(--font-serif);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--heritage-gold);
}

.qim-hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--ivory-white);
    font-weight: 500;
}

.qim-hero-desc {
    font-size: 1.0625rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    opacity: 0.95;
}

/* Chat Section */
.qim-chat-section {
    padding: 60px 0;
    background-color: var(--soft-parchment);
}

.chat-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 600px;
}

.chat-sidebar {
    background-color: var(--ivory-white);
    border-right: 1px solid var(--parchment-dark);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.chat-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--heritage-gold);
}

.chat-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--oxford-navy);
    margin-bottom: 4px;
}

.chat-header p {
    font-size: 0.8125rem;
    color: var(--heritage-gold);
    font-weight: 500;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 20px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    color: var(--gray);
}

.history-item:hover {
    background-color: rgba(212, 168, 75, 0.1);
}

.history-item.active {
    background-color: rgba(212, 168, 75, 0.2);
    color: var(--oxford-navy);
    font-weight: 600;
}

.history-icon {
    font-size: 1.25rem;
}

.history-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chat Main */
.chat-main {
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

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

.bot-message {
    justify-content: flex-start;
}

.user-message {
    justify-content: flex-end;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background-color: var(--heritage-gold);
    color: var(--white);
}

.user-message .message-avatar {
    background-color: var(--academic-blue);
    color: var(--white);
}

.message-content {
    background-color: var(--soft-parchment);
    padding: 12px 16px;
    border-radius: 8px;
    max-width: 70%;
}

.bot-message .message-content {
    background-color: var(--ivory-white);
    border-left: 3px solid var(--heritage-gold);
}

.user-message .message-content {
    background-color: var(--academic-blue);
    color: var(--white);
}

.message-content p {
    margin: 0 0 8px 0;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.ai-suggestions {
    margin: 12px 0;
    padding-left: 20px;
    list-style: none;
}

.ai-suggestions li {
    margin: 6px 0;
    font-size: 0.875rem;
    line-height: 1.5;
    position: relative;
    padding-left: 12px;
}

.ai-suggestions li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--heritage-gold);
    font-weight: 700;
}

/* Chat Input */
.chat-input-area {
    display: flex;
    gap: 8px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--parchment-dark);
    border-radius: 6px;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.chat-input:focus {
    outline: none;
    border-color: var(--heritage-gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 75, 0.1);
}

.chat-send-btn {
    padding: 12px 24px;
    background-color: var(--heritage-gold);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-send-btn:hover {
    background-color: var(--heritage-gold-dark);
    transform: translateY(-2px);
}

/* QiM Features Section */
.qim-features-section {
    padding: var(--section-padding) 0;
    background-color: var(--white);
}

.qim-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.qim-feature-card {
    background-color: var(--soft-parchment);
    padding: 40px;
    border-radius: 10px;
    border-top: 4px solid var(--heritage-gold);
    transition: all var(--transition-base);
}

.qim-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--heritage-gold);
    margin-bottom: 16px;
    opacity: 0.3;
}

.qim-feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--oxford-navy);
    margin-bottom: 12px;
    font-family: var(--font-serif);
}

.qim-feature-card p {
    font-size: 0.9375rem;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 6px 0 6px 20px;
    position: relative;
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--heritage-gold);
    font-weight: 700;
}

/* Tech Section */
.qim-tech-section {
    padding: var(--section-padding) 0;
    background-color: var(--ivory-white);
}

.qim-tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.tech-item {
    background-color: var(--white);
    padding: 32px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--parchment-dark);
    transition: all var(--transition-base);
}

.tech-item:hover {
    border-color: var(--heritage-gold);
    box-shadow: var(--shadow-md);
}

.tech-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--oxford-navy);
    margin-bottom: 12px;
}

.tech-item p {
    font-size: 0.875rem;
    color: var(--gray);
    line-height: 1.6;
}

.knowledge-network-section {
    padding: 80px 0;
    background-color: rgba(7, 27, 59, 0.05);
}

.network-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 30px;
    margin-top: 40px;
    align-items: center;
}

.network-panel {
    background-color: var(--white);
    border: 1px solid rgba(7, 27, 59, 0.08);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.network-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--oxford-navy);
}

.network-panel p {
    color: var(--gray);
    line-height: 1.8;
}

.network-graph {
    position: relative;
    min-height: 420px;
    background: radial-gradient(circle at 30% 20%, rgba(182, 138, 42, 0.08), transparent 18%),
                radial-gradient(circle at 70% 70%, rgba(7, 27, 59, 0.1), transparent 20%);
    border-radius: 24px;
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 20px;
}

.network-node {
    background-color: var(--ivory-white);
    border: 1px solid rgba(212, 168, 75, 0.2);
    border-radius: 20px;
    padding: 22px;
    text-align: center;
    font-weight: 600;
    color: var(--oxford-navy);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.network-node.node-root {
    grid-column: 2 / 3;
    background-color: rgba(182, 138, 42, 0.12);
    border-color: rgba(182, 138, 42, 0.3);
}

.network-node.node-1 { transform: translate(-12px, 40px); }
.network-node.node-2 { transform: translate(14px, 40px); }
.network-node.node-3 { transform: translate(-18px, 140px); }
.network-node.node-4 { transform: translate(12px, 140px); }
.network-node.node-5 { transform: translate(0px, 240px); }

.network-node::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 1px dashed rgba(7, 27, 59, 0.08);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}

@media (max-width: 1024px) {
    .network-grid {
        grid-template-columns: 1fr;
    }
}

/* CTA Section */
.qim-cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--oxford-navy) 0%, var(--academic-blue) 100%);
    text-align: center;
    color: var(--ivory-white);
}

.qim-cta-content h2 {
    font-size: 2.5rem;
    font-family: var(--font-serif);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--heritage-gold);
}

.qim-cta-content p {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

.qim-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.qim-cta-buttons .btn {
    padding: 14px 32px;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .qim-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .qim-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chat-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .chat-sidebar {
        max-height: 200px;
    }
}

@media (max-width: 768px) {
    .qim-hero-content h1 {
        font-size: 2.5rem;
    }

    .qim-features-grid {
        grid-template-columns: 1fr;
    }

    .qim-tech-grid {
        grid-template-columns: 1fr;
    }

    .message-content {
        max-width: 100%;
    }

    .qim-cta-content h2 {
        font-size: 1.75rem;
    }
}