:root {
    --bg-paper: #f6f5f0;
    --card-bg: #ffffff;
    --card-border: #1c1d1f;
    --text-primary: #1c1d1f;
    --text-secondary: #4b4c4f;
    --text-muted: #787a7d;
    
    /* Academic Editorial Accents */
    --scholar-blue: #104e8b;
    --scholar-green: #276749;
    --scholar-crimson: #9b2c2c;
    --border-gray: #d1d5db;
    
    --font-heading: 'Lora', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.15s ease-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-paper);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding-bottom: 40px;
    line-height: 1.6;
}

.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background-color: var(--bg-paper);
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* Header Styling */
header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 24px;
    border-bottom: 3px double var(--card-border);
    margin-bottom: 40px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 18px;
}

.logo-container h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.subtitle {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-style: italic;
    margin-top: 4px;
}

/* Quantum Logo SVG styling */
.quantum-logo-svg {
    color: var(--text-primary);
    flex-shrink: 0;
}

/* Status Indicator Wrapper */
.status-indicator-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.status-indicator-wrapper .bracket {
    color: var(--text-muted);
    font-weight: 400;
}

.pulse-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--text-muted);
    border: 1px solid var(--card-border);
    border-radius: 0px; /* Square status dot */
    display: inline-block;
    margin-right: 2px;
}

.pulse-indicator.active {
    background-color: var(--scholar-green);
}

.pulse-indicator.sleeping {
    background-color: var(--scholar-blue);
}

.pulse-indicator.idle {
    background-color: var(--text-muted);
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

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

.left-panel, .right-panel {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Editorial Solid Cards */
.card {
    border-radius: 0px; /* Square corners */
    border: 1.5px solid var(--card-border);
    padding: 28px;
    box-shadow: 4px 4px 0px var(--card-border); /* Flat stamp shadow */
    background-color: var(--card-bg);
    transition: var(--transition);
}

.card:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--card-border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1.5px solid var(--card-border);
}

.card-header h2 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i {
    color: var(--text-primary);
}

/* Badges */
.badge {
    background-color: #ffffff;
    border: 1.5px solid var(--card-border);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 0px;
}

.badge.searching {
    background-color: hsla(210, 80%, 40%, 0.08);
    color: var(--scholar-blue);
    border-color: var(--scholar-blue);
}

.badge.sleeping {
    background-color: hsla(140, 60%, 30%, 0.08);
    color: var(--scholar-green);
    border-color: var(--scholar-green);
}

/* Stepper (Search Progress) */
.stepper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
    padding: 0 4px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.step-icon {
    width: 34px;
    height: 34px;
    border-radius: 0px;
    background-color: #ffffff;
    border: 1.5px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: var(--transition);
}

.step span {
    font-size: 0.75rem;
    font-family: var(--font-body);
    color: var(--text-muted);
    font-weight: 600;
    transition: var(--transition);
}

.step-connector {
    flex-grow: 1;
    height: 1.5px;
    background-color: var(--border-gray);
    margin: 0 -5px;
    transform: translateY(-21px);
    z-index: 1;
    transition: var(--transition);
}

/* Step States */
.step.active .step-icon {
    border-color: var(--card-border);
    color: #ffffff;
    background-color: var(--scholar-blue);
    box-shadow: 3px 3px 0px var(--card-border);
}

.step.active span {
    color: var(--scholar-blue);
    font-weight: 700;
}

.step.completed .step-icon {
    border-color: var(--card-border);
    color: #ffffff;
    background-color: var(--scholar-green);
    box-shadow: 2px 2px 0px var(--card-border);
}

.step.completed span {
    color: var(--text-primary);
}

.step-connector.completed {
    background-color: var(--scholar-green);
}

/* Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.95rem;
    margin-bottom: 6px;
    font-family: var(--font-heading);
}

.empty-state .sub-text {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.run-details {
    padding: 10px 0;
}

.run-details h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.run-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Queue List */
.queue-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 350px;
    overflow-y: auto;
    padding-right: 5px;
}

.queue-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffffff;
    border: 1px solid var(--border-gray);
    border-radius: 0px;
    padding: 12px 18px;
    transition: var(--transition);
}

.queue-item:hover {
    border-color: var(--card-border);
    background-color: var(--bg-paper);
}

.queue-item .theme {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.queue-item .priority {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 0px;
    border: 1px solid var(--card-border);
}

.priority.high {
    background-color: hsla(0, 100%, 40%, 0.06);
    color: var(--scholar-crimson);
    border-color: var(--scholar-crimson);
}

.priority.medium {
    background-color: hsla(210, 80%, 40%, 0.06);
    color: var(--scholar-blue);
    border-color: var(--scholar-blue);
}

/* Search Filters & List */
.search-filters {
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    background-color: #ffffff;
    border: 1.5px solid var(--card-border);
    border-radius: 0px;
    padding: 12px 15px 12px 42px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    background-color: #ffffff;
    border-color: var(--scholar-blue);
    box-shadow: 3px 3px 0px var(--card-border);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 5px;
}

/* Scrollbar Customization */
.history-list::-webkit-scrollbar, .queue-list::-webkit-scrollbar, pre::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.history-list::-webkit-scrollbar-track, .queue-list::-webkit-scrollbar-track, pre::-webkit-scrollbar-track {
    background: transparent;
}

.history-list::-webkit-scrollbar-thumb, .queue-list::-webkit-scrollbar-thumb, pre::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 0px;
}

/* History Card */
.history-card {
    background-color: #ffffff;
    border: 1.5px solid var(--card-border);
    border-radius: 0px;
    padding: 18px 22px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 3px 3px 0px var(--card-border);
    transition: var(--transition);
}

.history-card:hover {
    background-color: var(--bg-paper);
    transform: translate(1px, 1px);
    box-shadow: 1.5px 1.5px 0px var(--card-border);
}

.history-info h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.history-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 380px;
}

.history-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
}

.stat-pill {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 0px;
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-pill.speedup {
    background-color: hsla(0, 100%, 40%, 0.05);
    color: var(--scholar-crimson);
    border-color: var(--scholar-crimson);
}

.stat-pill.depth {
    background-color: hsla(210, 80%, 40%, 0.05);
    color: var(--scholar-blue);
    border-color: var(--scholar-blue);
}

.stat-pill.success {
    background-color: hsla(140, 60%, 30%, 0.05);
    color: var(--scholar-green);
    border-color: var(--scholar-green);
}

.history-card i.fa-chevron-right {
    color: var(--text-muted);
    transition: var(--transition);
}

.history-card:hover i.fa-chevron-right {
    color: var(--text-primary);
    transform: translateX(2px);
}

/* Modal Styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: rgba(28, 29, 31, 0.4);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: var(--transition);
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    width: 100%;
    max-width: 800px;
    border-radius: 0px;
    border: 2px solid var(--card-border);
    box-shadow: 8px 8px 0px var(--card-border);
    max-height: 85vh;
    overflow-y: auto;
    padding: 36px;
    background-color: #ffffff;
    animation: modalAppear 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalAppear {
    from { transform: translateY(15px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px double var(--card-border);
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--text-primary);
    font-weight: 700;
}

.close-btn {
    background: none;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 4px 10px;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    background-color: var(--bg-paper);
}

.modal-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

@media (max-width: 600px) {
    .modal-meta-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.meta-item {
    background-color: #ffffff;
    border: 1.5px solid var(--card-border);
    border-radius: 0px;
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.meta-item .label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-item .val {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.meta-item .val.highlight {
    color: var(--scholar-crimson);
}

.modal-description-box {
    background-color: var(--bg-paper);
    border: 1.5px solid var(--card-border);
    border-radius: 0px;
    padding: 20px;
    margin-bottom: 25px;
}

.modal-description-box h3 {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-body);
    font-weight: 700;
}

.modal-description-box p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tabs */
.tabs-container {
    display: flex;
    flex-direction: column;
}

.tab-headers {
    display: flex;
    gap: 8px;
    border-bottom: 1.5px solid var(--card-border);
    margin-bottom: 20px;
    overflow-x: auto;
}

.tab-btn {
    background: none;
    border: 1.5px solid transparent;
    border-bottom: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 8px 16px;
    cursor: pointer;
    position: relative;
    top: 1.5px;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--text-primary);
    border-color: var(--card-border);
    background-color: #ffffff;
    font-weight: 700;
}

.tab-pane {
    display: none;
}

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

/* Code block */
pre {
    background-color: var(--bg-paper);
    border: 1.5px solid var(--card-border);
    border-radius: 0px;
    padding: 20px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    color: var(--text-primary);
    max-height: 350px;
}

.tab-pane p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.hidden {
    display: none !important;
}