/* Kamos Papers - Modern Academic Aesthetics */

:root {
    --primary-gradient: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
    --panel-bg: rgba(255, 255, 255, 0.85);
    --panel-border: rgba(255, 255, 255, 0.4);
    --text-primary: #1F2937;
    --text-secondary: #4A5568;
    --accent-color: #3B82F6;
    --kamos-blue: #3B82F6;
    --kamos-blue-soft: rgba(59, 130, 246, 0.1);
    --kamos-emerald: #10B981;
    --kamos-emerald-soft: rgba(16, 185, 129, 0.1);
}

html.dark :root {
    --panel-bg: rgba(17, 24, 39, 0.95);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
}

body {
    margin: 0;
    font-family: 'Outfit', 'Inter', 'Noto Sans JP', sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Dashboard Controls */
.dashboard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 0.6rem 1.2rem;
    border-radius: 24px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 12px 40px -10px rgba(0, 0, 0, 0.12);
    box-sizing: border-box;
}

.search-box {
    flex: 1;
    max-width: 500px;
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.04);
    padding: 0.5rem 1rem;
    border-radius: 14px;
    gap: 0.8rem;
    transition: all 0.2s ease;
}

html.dark .search-box {
    background: rgba(255, 255, 255, 0.05);
}

.search-box:focus-within {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

html.dark .search-box:focus-within {
    background: rgba(31, 41, 55, 1);
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 0.95rem;
}

.view-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Sort Control */
.sort-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.04);
    padding: 0 0.8rem;
    height: 42px;
    border-radius: 14px;
    color: var(--text-secondary);
}

html.dark .sort-control {
    background: rgba(255, 255, 255, 0.05);
}

.sort-control select {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
}

/* View Mode Toggle */
.view-mode-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.04);
    padding: 3px;
    border-radius: 14px;
}

html.dark .view-mode-toggle {
    background: rgba(255, 255, 255, 0.05);
}

.view-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.view-btn.active {
    background: #FFFFFF;
    color: var(--kamos-blue);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

html.dark .view-btn.active {
    background: #1F2937;
    color: var(--kamos-blue);
}

.bio-line-divider {
    width: 1px;
    height: 20px;
    background: var(--panel-border);
}

.bio-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Primary Button */
.primary-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 0 1.2rem;
    height: 42px;
    border-radius: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
    transition: all 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
}

/* Dynamic Filter Tags Section */
.filter-tags-container {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 6px 20px -5px rgba(0, 0, 0, 0.05);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filter-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-width: 80px;
}

.filter-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-tag {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-secondary);
    border: 1px solid transparent;
    padding: 0.25rem 0.75rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

html.dark .filter-tag {
    background: rgba(255, 255, 255, 0.05);
}

.filter-tag:hover {
    background: rgba(59, 130, 246, 0.08);
    color: var(--kamos-blue);
    border-color: rgba(59, 130, 246, 0.2);
}

.filter-tag.active {
    background: var(--kamos-blue);
    color: white;
    border-color: var(--kamos-blue);
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.2);
}

/* Library Grid */
.library-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Paper Card Style (Grid Mode) */
.paper-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 1.6rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: 240px;
    box-sizing: border-box;
}

.paper-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
    border-color: var(--kamos-blue);
}

.paper-top {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.paper-header-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.source-badge {
    background: var(--kamos-blue-soft);
    color: var(--kamos-blue);
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

.paper-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.paper-card h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.paper-abstract-snippet {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.6rem 0 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card Bottom Info */
.paper-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    border-top: 1px solid var(--panel-border);
    padding-top: 0.8rem;
    margin-top: auto;
}

.kcg-nodes-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.kcg-node-tag {
    background: var(--kamos-emerald-soft);
    color: var(--kamos-emerald);
    border: 1px solid rgba(16, 185, 129, 0.15);
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
}

/* List View Layout */
.list-view {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.list-view .paper-card {
    min-height: auto;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 1.2rem 2rem;
}

.list-view .paper-top {
    flex: 1;
}

.list-view .paper-bottom {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
    min-width: 250px;
    align-items: flex-end;
}

/* Modals Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #FFFFFF;
    border-radius: 28px;
    width: 95%;
    max-width: 1200px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    border: 1px solid var(--panel-border);
}

html.dark .modal-content {
    background: #111827;
}

.modal-header {
    padding: 1.5rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--kamos-blue);
    line-height: 1.3;
}

.close-modal {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

html.dark .close-modal {
    background: rgba(255, 255, 255, 0.05);
}

.close-modal:hover {
    transform: scale(1.1);
    background: rgba(59, 130, 246, 0.1);
    color: var(--kamos-blue);
}

/* Detail Modal Layout */
.detail-modal {
    height: 85vh;
    display: flex;
    flex-direction: column;
}

.detail-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 2.5rem;
    padding: 2rem 2.5rem;
    flex: 1;
    overflow-y: hidden;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.detail-content {
    display: flex;
    flex-direction: column;
    overflow-y: hidden;
}

.sidebar-sub-title {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.8rem;
    border-left: 3px solid var(--kamos-blue);
    padding-left: 0.6rem;
}

.kcg-nodes-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.kcg-detailed-node {
    background: var(--kamos-emerald-soft);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    padding: 0.8rem;
    font-size: 0.85rem;
}

.kcg-node-header {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    color: var(--kamos-emerald);
    margin-bottom: 0.3rem;
}

.kcg-node-reason {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.paper-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.detail-actions {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--panel-border);
}

/* Detail Content Tabs */
.tabs {
    display: flex;
    gap: 2rem;
    border-bottom: 1px solid var(--panel-border);
    margin-bottom: 1.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.8rem 0;
    font-weight: 700;
    cursor: pointer;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.tab-btn.active {
    color: var(--kamos-blue);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--kamos-blue);
    border-radius: 2px;
}

.tab-pane {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.tab-pane.active {
    display: flex;
}

#aiSummaryContent {
    flex: 1;
    background: rgba(59, 130, 246, 0.02);
    padding: 2.2rem;
    border-radius: 20px;
    border: 1px solid var(--kamos-blue-soft);
    overflow-y: auto;
}

/* Markdown Styling within Content */
.markdown-body {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    color: var(--kamos-blue);
    font-weight: 800;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.markdown-body strong {
    color: var(--kamos-blue);
    font-weight: 700;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.markdown-body p {
    margin-bottom: 1rem;
}

/* Key Takeaways Tab Styles */
#keyTakeawaysContent {
    flex: 1;
    background: rgba(16, 185, 129, 0.02);
    padding: 2.2rem;
    border-radius: 20px;
    border: 1px solid var(--kamos-emerald-soft);
    overflow-y: auto;
}

.takeaways-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.takeaway-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    font-size: 0.95rem;
    line-height: 1.6;
}

.takeaway-bullet {
    background: var(--kamos-emerald);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Loader */
.loading-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    color: var(--text-secondary);
}

.kamos-loader {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(59, 130, 246, 0.1);
    border-top-color: var(--kamos-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

/* Responsiveness */
@media (max-width: 900px) {
    .detail-grid {
        grid-template-columns: 1fr;
        overflow-y: auto;
    }

    .detail-modal {
        height: 90vh;
    }

    .detail-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--panel-border);
        padding-bottom: 2rem;
    }

    .detail-content {
        overflow-y: visible;
        margin-top: 1rem;
    }

    .dashboard-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-tags-container {
        padding: 0.8rem;
    }

    .filter-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}