:root {
    --bg: #060606;
    --panel-bg: #0c0c0c;
    --panel-bg-alt: #121212;
    --border: #1e1e1e;
    --border-hover: #3a3a3a;
    --border-active: #ffffff;
    --text: #ffffff;
    --text-sec: #9e9e9e;
    --text-muted: #5a5a5a;
    
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

/* Base resets & typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0 !important; /* Force strict flat layout */
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Nav */
header {
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
    padding: 1.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    height: 30px;
    width: auto;
    display: block;
}

.logo-sub {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: lowercase;
    letter-spacing: -0.02em;
}

nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-sec);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0.5rem 1.25rem;
    transition: all 0.2s ease;
}

.nav-btn.active, .nav-btn:hover {
    color: var(--text);
    border-color: var(--border);
    background-color: var(--panel-bg);
}

/* Layout */
main {
    flex: 1;
    max-width: 1500px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.tab-content {
    display: none;
}

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

.explorer-layout {
    display: grid;
    grid-template-columns: 260px 1fr 280px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1200px) {
    .explorer-layout {
        grid-template-columns: 240px 1fr;
    }
    .sidebar-right {
        grid-column: span 2;
    }
}

@media (max-width: 800px) {
    .explorer-layout {
        grid-template-columns: 1fr;
    }
    .sidebar-left, .sidebar-right {
        grid-column: span 1;
    }
}

/* Sidebar structure */
.sidebar-left, .sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-section {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 1.5rem;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.sidebar-header.border-b {
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.75rem;
}

.sidebar-header h2 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-sec);
}

.count-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    border: 1px solid var(--border);
    padding: 0.1rem 0.4rem;
}

.text-link-btn {
    background: none;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    text-transform: lowercase;
}

.text-link-btn:hover {
    color: var(--text);
    text-decoration: underline;
}

/* Flat list design */
.flat-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.flat-list li {
    font-size: 0.85rem;
}

.flat-list li.empty-state {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.8rem;
    padding: 0.25rem 0;
}

.list-item-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: 1px solid transparent;
    color: var(--text-sec);
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.list-item-btn:hover {
    color: var(--text);
    border-color: var(--border-hover);
    background-color: var(--panel-bg-alt);
}

/* Stats / Telemetry Panel */
.stats-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #141414;
    padding-bottom: 0.5rem;
}

.stat-row:last-child {
    border: none;
    padding-bottom: 0;
}

.stat-lbl {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-sec);
}

.stat-num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text);
}

.refresh-btn {
    background: none;
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.refresh-btn:hover {
    color: var(--text);
    border-color: var(--border-active);
}

/* Search Area */
.search-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-width: 0; /* Prevents flex items from breaking layouts on overflow */
}

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

.input-row {
    display: flex;
    align-items: center;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    width: 100%;
    transition: border-color 0.2s ease;
}

.input-row:focus-within {
    border-color: var(--border-active);
}

.input-prefix-icon {
    padding-left: 1.25rem;
    display: flex;
    align-items: center;
    color: var(--text-sec);
}

#search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 300;
    padding: 1.1rem 1.25rem;
    outline: none;
    width: 100%;
}

#search-input::placeholder {
    color: var(--text-muted);
}

.clear-input-btn {
    background: none;
    border: none;
    color: var(--text-sec);
    font-size: 1.5rem;
    font-weight: 300;
    padding-right: 1.25rem;
    cursor: pointer;
    line-height: 1;
}

.clear-input-btn:hover {
    color: var(--text);
}

/* Suggestion dropdown overlay */
.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--panel-bg);
    border: 1px solid var(--border-active);
    border-top: none;
    z-index: 100;
    display: flex;
    flex-direction: column;
    max-height: 350px;
    overflow-y: auto;
}

.suggestion-item {
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-sec);
    background: var(--panel-bg);
    border-bottom: 1px solid #141414;
    transition: all 0.15s ease;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover, .suggestion-item.active {
    color: var(--text);
    background-color: var(--panel-bg-alt);
}

/* Results Content Area */
#results-area {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 3rem;
    min-height: 400px;
}

@media (max-width: 600px) {
    #results-area {
        padding: 1.5rem;
    }
}

/* Welcome screen template styling */
.welcome-screen {
    max-width: 600px;
    margin: 4rem auto;
    text-align: center;
}

.welcome-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-sec);
    margin-bottom: 1.5rem;
}

.welcome-desc {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--text-sec);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 2.5rem;
}

.suggested-chips-label {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.suggested-chips {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.chip-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-sec);
    padding: 0.35rem 0.85rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chip-btn:hover {
    color: var(--text);
    border-color: var(--border-hover);
    background-color: var(--panel-bg-alt);
}

/* Word Result Typography */
.word-meta-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.word-main-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.word-heading-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.word-heading-row h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Bookmark star button */
.star-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.75rem;
    cursor: pointer;
    transition: color 0.15s ease;
    padding: 0 0.5rem;
}

.star-btn:hover {
    color: var(--text-sec);
}

.star-btn.starred {
    color: #ffffff;
}

.phonetics-label {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-sec);
}

.controls-row {
    display: flex;
    gap: 0.75rem;
}

.audio-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-sec);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.audio-btn:hover {
    color: var(--text);
    border-color: var(--text);
}

/* POS and Definitions */
.lexical-entry {
    margin-bottom: 3rem;
}

.lexical-entry:last-child {
    margin-bottom: 0;
}

.pos-banner {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    margin-bottom: 1.75rem;
}

.sense-item {
    border-left: 2px solid var(--border);
    padding-left: 1.75rem;
    margin-bottom: 2.25rem;
}

.sense-item:last-child {
    margin-bottom: 0;
}

.definition-text {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--text);
    margin-bottom: 0.85rem;
}

.definition-synonyms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.synonym-tag {
    background: var(--panel-bg-alt);
    border: 1px solid var(--border);
    color: var(--text-sec);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.synonym-tag:hover {
    color: var(--text);
    border-color: var(--border-active);
}

/* Quotation list */
.quotations-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.quote-line {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--text-sec);
    padding-left: 1rem;
    border-left: 1px dotted var(--border-hover);
}

.quote-attrib {
    font-family: var(--font-sans);
    font-style: normal;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}

/* Collapsible Relations */
.relations-accordion {
    margin-top: 1.5rem;
    border: 1px solid var(--border);
}

.relation-block {
    border-bottom: 1px solid var(--border);
}

.relation-block:last-child {
    border-bottom: none;
}

.relation-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--panel-bg);
    color: var(--text-sec);
    border: none;
    width: 100%;
    text-align: left;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transition: all 0.2s ease;
}

.relation-trigger:hover {
    color: var(--text);
    background-color: var(--panel-bg-alt);
}

.relation-trigger .toggle-icon {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.relation-panel {
    display: none;
    padding: 1.25rem;
    background-color: #080808;
    flex-direction: column;
    gap: 1rem;
    border-top: 1px solid var(--border);
}

.relation-block.expanded .relation-panel {
    display: flex;
}

.related-card {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 1rem;
}

.related-words-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 0.4rem;
}

.related-word-link {
    font-family: var(--font-sans);
    font-weight: 600;
    color: var(--text);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
    cursor: pointer;
    font-size: 0.9rem;
}

.related-word-link:hover {
    text-decoration-style: solid;
}

.related-definition {
    font-family: var(--font-serif);
    font-size: 0.88rem;
    color: var(--text-sec);
}

/* Metadata row */
.item-metadata {
    display: flex;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

.item-metadata a {
    color: var(--text-sec);
    text-decoration: none;
    border-bottom: 1px dotted var(--text-sec);
}

.item-metadata a:hover {
    color: var(--text);
    border-bottom-style: solid;
}

/* Footer styling */
footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 2rem;
    background-color: var(--bg);
    margin-top: auto;
}

.footer-content {
    max-width: 1500px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--text);
}

/* Swagger overrides to force Grayscale dark theme */
#swagger-ui {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    padding: 2rem;
}

.swagger-ui {
    filter: invert(0.9) hue-rotate(180deg);
}
.swagger-ui .info .title {
    font-family: var(--font-display) !important;
    font-weight: 800 !important;
    color: #000000 !important;
}
.swagger-ui .btn {
    border: 1px solid #ccc !important;
    color: #000 !important;
}
.swagger-ui .opblock {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
}
.swagger-ui .opblock .opblock-summary-method {
    font-family: var(--font-mono) !important;
}
.swagger-ui input[type=text], .swagger-ui select {
    border: 1px solid #ccc !important;
}