/* ============================================================
   DESIGN SYSTEM: Swiss Brutalist Instrument
   ============================================================ */
:root {
    --bg:         #FAFAF8;
    --bg-2:       #F3F2EE;
    --bg-3:       #E9E8E2;
    --ink:        #111110;
    --ink-2:      #2C2C29;
    --ink-3:      #6B6B64;
    --ink-4:      #9B9B92;
    --accent:     #D44A2A;
    --accent-2:   #E85A35;
    --accent-dim: rgba(212,74,42,0.08);
    --line:       rgba(17,17,16,0.08);
    --line-strong:rgba(17,17,16,0.18);
    --input-bg:   #FFFFFF;
    --output-bg:  #111110;
    --output-ink: #F5F5F2;
    --shadow:     0 1px 2px rgba(17,17,16,0.04), 0 6px 24px rgba(17,17,16,0.06);
    --radius:     4px;
    --font-display:'DM Serif Display', Georgia, serif;
    --font-ui:    'Outfit', system-ui, sans-serif;
    --font-mono:  'DM Mono', 'Courier New', monospace;
}
[data-theme="dark"] {
    --bg:         #141210;
    --bg-2:       #1C1916;
    --bg-3:       #252119;
    --ink:        #F0EAE0;
    --ink-2:      #D4CCBF;
    --ink-3:      #8C8279;
    --ink-4:      #5A5248;
    --accent:     #E8623E;
    --accent-2:   #FF7A52;
    --accent-dim: rgba(232,98,62,0.12);
    --line:       rgba(240,234,224,0.08);
    --line-strong:rgba(240,234,224,0.16);
    --input-bg:   #1C1916;
    --output-bg:  #0E0C0A;
    --output-ink: #F0EAE0;
    --shadow:     0 1px 3px rgba(0,0,0,0.3), 0 8px 32px rgba(0,0,0,0.25);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    color: var(--ink);
    font-family: var(--font-ui);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.35s ease, color 0.35s ease;
    -webkit-font-smoothing: antialiased;
}

/* ---- NOISE TEXTURE OVERLAY ---- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.022;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 200px 200px;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
    border-bottom: 1px solid var(--line-strong);
    padding: 0 clamp(20px, 4vw, 56px);
    display: flex;
    align-items: stretch;
    gap: 0;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    transition: background-color 0.35s ease;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-right: 28px;
    border-right: 1px solid var(--line);
}

.brand-mark {
    width: 36px;
    height: 36px;
    background: var(--ink);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.35s;
}
.brand-mark svg { width: 18px; height: 18px; }

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.brand-name {
    font-family: var(--font-display);
    font-size: 17px;
    color: var(--ink);
    letter-spacing: -0.01em;
    line-height: 1;
}
.brand-sub {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0;
    flex: 1;
    padding-left: 28px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    text-decoration: none;
    padding: 6px 14px;
    border-right: 1px solid var(--line);
    height: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.15s ease, background 0.15s ease;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.22s cubic-bezier(0.22,1,0.36,1);
}
.nav-link:hover { color: var(--ink); background: var(--bg-2); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link-num {
    font-size: 9px;
    color: var(--ink-4);
    letter-spacing: 0.06em;
}

.hero-hindi {
    font-family: 'Tiro Devanagari Hindi', Georgia, serif;
    font-style: italic;
    color: var(--accent);
    letter-spacing: 0.01em;
}

.status-dot {
    width: 7px;
    height: 7px;
    background: #3DAA6D;
    border-radius: 50%;
    animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

/* ---- THEME TOGGLE ---- */
.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-3);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}
.theme-toggle:hover {
    background: var(--bg-2);
    color: var(--ink);
    border-color: var(--line-strong);
}
.theme-toggle svg {
    position: absolute;
    transition: opacity 0.25s ease, transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
.icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
.icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme="dark"] .icon-sun  { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="dark"] .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* ============================================================
   HERO RULE: thick typographic divider line
   ============================================================ */
.hero-strip {
    padding: clamp(32px, 5vw, 60px) clamp(20px, 4vw, 56px) 0;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 24px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--ink);
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 6vw, 72px);
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--ink);
    max-width: 720px;
}
.hero-title em {
    font-style: italic;
    color: var(--accent);
}
.hero-meta {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.hero-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-4);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
main {
    flex: 1;
    padding: 0 clamp(20px, 4vw, 56px) clamp(40px, 6vw, 80px);
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 32px;
}

.main-top {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
}

@media (max-width: 1100px) {
    .main-top { grid-template-columns: 1fr; }
    .sidebar-compact { display: none; }
}

/* ============================================================
   TRANSLATION WORKSPACE
   ============================================================ */
.workspace {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.panel-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Panel headers */
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line-strong);
    transition: background 0.35s;
}
.panel-source .panel-header {
    border-right: 1px solid var(--line-strong);
}

.panel-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-3);
    display: flex;
    align-items: center;
    gap: 8px;
}
.panel-label .lang-code {
    background: var(--bg-3);
    border: 1px solid var(--line);
    padding: 2px 7px;
    border-radius: 2px;
    font-size: 10px;
    color: var(--ink-2);
    letter-spacing: 0.06em;
}

.char-count {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
}

.copy-btn {
    background: none;
    border: 1px solid var(--line);
    padding: 5px 11px;
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}
.copy-btn:hover {
    background: var(--bg-3);
    color: var(--ink);
    border-color: var(--line-strong);
}
.copy-btn.copied {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: var(--accent);
}

/* Text panels */
.panel-source, .panel-target {
    display: flex;
    flex-direction: column;
}
.panel-source {
    border-right: 1px solid var(--line-strong);
}

.input-area {
    padding: 24px 20px;
    background: var(--input-bg);
    flex: 1;
    transition: background 0.35s;
}
textarea#inputText {
    width: 100%;
    height: 280px;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-ui);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--ink);
    caret-color: var(--accent);
}
textarea#inputText::placeholder {
    color: var(--ink-4);
}

/* output */
.output-area {
    padding: 24px 20px;
    background: var(--output-bg);
    flex: 1;
    min-height: 328px;
    position: relative;
    transition: background 0.35s;
}
#result {
    font-family: var(--font-ui);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.75;
    color: var(--output-ink);
    white-space: pre-wrap;
    word-break: break-word;
    min-height: 280px;
    transition: opacity 0.2s ease;
}
#result.empty {
    color: var(--ink-4);
    font-style: italic;
    font-size: 15px;
}
#result.error {
    color: #E87070;
}

/* ---- Custom text selection ---- */
::selection {
    background: #D44A2A;
    color: #F0EAEE;
}
::-moz-selection {
    background: #D44A2A;
    color: #F0EAEE;
}

/* ---- TRANSLITERATION BAR ---- */
.translit-bar {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 20px;
    background: rgba(240,234,224,0.04);
    border-top: 1px solid rgba(240,234,224,0.08);
    transition: background 0.35s;
}
.translit-toggle {
    background: none;
    border: 1px solid rgba(240,234,224,0.12);
    border-radius: 2px;
    padding: 4px 8px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(240,234,224,0.35);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
    white-space: nowrap;
}
.translit-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}
.translit-toggle.active {
    color: var(--accent);
    background: var(--accent-dim);
    border-color: var(--accent);
}
.translit-toggle svg { flex-shrink: 0; }
.translit-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(240,234,224,0.5);
    line-height: 1.5;
    font-style: italic;
    flex: 1;
    word-break: break-word;
}

/* Loading spinner */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid rgba(240,234,224,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- CONTROLS BAR ---- */
.controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-3);
    border-top: 1px solid var(--line-strong);
    gap: 14px;
    flex-wrap: wrap;
    transition: background 0.35s;
}

.controls-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.beam-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    overflow: hidden;
    background: var(--bg-2);
}
.beam-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-4);
    padding: 0 10px;
    background: var(--bg-3);
    border-right: 1px solid var(--line);
    height: 34px;
    display: flex;
    align-items: center;
}
input#beamSize {
    width: 42px;
    height: 34px;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    text-align: center;
}

/* Buttons */
.btn {
    height: 40px;
    padding: 0 22px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--ink-2);
}
.btn-ghost:not(:disabled):hover {
    background: var(--bg-2);
    border-color: var(--ink-3);
    color: var(--ink);
}

.btn-primary {
    background: var(--ink);
    border: 1px solid var(--ink);
    color: var(--bg);
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.22,1,0.36,1);
}
.btn-primary:not(:disabled):hover::after { transform: translateX(0); }
.btn-primary span { position: relative; z-index: 1; display: flex; align-items: center; gap: 8px; }

/* ============================================================
   LOGS
   ============================================================ */
.log-strip {
    margin-top: 16px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    overflow: hidden;
    background: #0E0C0A;
    transition: border-color 0.35s;
}
.log-header {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    gap: 8px;
    background: #171310;
}
.log-header-text {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(240,234,224,0.3);
}
.log-dots { display: flex; gap: 5px; margin-right: 4px; }
.log-dot { width: 8px; height: 8px; border-radius: 50%; }
.log-dot-r { background: #E96868; }
.log-dot-y { background: #E8B84B; }
.log-dot-g { background: #3DAA6D; }

#systemLogs {
    padding: 14px 16px 10px;
    height: 130px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 11.5px;
    line-height: 1.85;
    color: rgba(240,234,224,0.55);
}
#systemLogs p { display: flex; gap: 6px; }
#systemLogs p.log-green  { color: #4CC87A; }
#systemLogs p.log-red    { color: #F07070; }
#systemLogs p.log-blue   { color: #7AAEF0; }
#systemLogs p.log-white  { color: rgba(240,234,224,0.8); }
.log-prompt {
    color: var(--accent);
    flex-shrink: 0;
    user-select: none;
}

/* blinking cursor line */
.log-cursor-line {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px 12px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: rgba(240,234,224,0.3);
}
.log-cursor {
    display: inline-block;
    width: 7px; height: 13px;
    background: var(--accent);
    opacity: 0.8;
    animation: blink 1.1s step-end infinite;
    vertical-align: middle;
    border-radius: 1px;
}
@keyframes blink { 0%,100%{opacity:0.8} 50%{opacity:0} }

/* ---- SCROLLBARS ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }

/* ============================================================
   INPUT STATS BAR
   ============================================================ */
.input-stats {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 20px;
    border-top: 1px solid var(--line);
    background: var(--bg-2);
    transition: background 0.35s;
}
.stat-item {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 5px;
}
.stat-item span { color: var(--ink-3); font-weight: 500; }
.char-bar-wrap {
    flex: 1;
    height: 2px;
    background: var(--line);
    border-radius: 1px;
    overflow: hidden;
}
.char-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 1px;
    width: 0%;
    transition: width 0.2s ease, background 0.3s ease;
}

/* ============================================================
   SIDEBAR (compact right-side version)
   ============================================================ */
.sidebar, .sidebar-compact {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-section {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-2);
    transition: background 0.35s;
}

.sidebar-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-4);
    padding: 12px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-3);
    transition: background 0.35s;
}

.spec-list {
    padding: 0;
}
.spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-bottom: 1px solid var(--line);
}
.spec-row:last-child { border-bottom: none; }
.spec-key, .spec-val {
    padding: 12px 18px;
    font-size: 12px;
    line-height: 1.4;
}
.spec-key {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-4);
    letter-spacing: 0.04em;
    border-right: 1px solid var(--line);
}
.spec-val {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--ink-2);
    font-size: 12px;
}
.spec-val.highlight {
    color: var(--accent);
    font-size: 14px;
}

/* Feature pills */
.feature-list {
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.feature-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    background: var(--bg-3);
    border: 1px solid var(--line);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}
.feature-icon svg { width: 13px; height: 13px; color: var(--ink-3); }
.feature-body {}
.feature-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-2);
    margin-bottom: 3px;
}
.feature-desc {
    font-size: 12px;
    line-height: 1.6;
    color: var(--ink-3);
}

/* BLEU Score display */
.bleu-card {
    padding: 20px 18px;
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.bleu-number {
    font-family: var(--font-display);
    font-size: 52px;
    line-height: 1;
    color: var(--accent);
    letter-spacing: -0.04em;
}
.bleu-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.bleu-label-main {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-2);
}
.bleu-label-sub {
    font-size: 11px;
    color: var(--ink-4);
}

/* ============================================================
   INFO GRID (horizontal sections below workspace)
   ============================================================ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
@media (max-width: 1100px) {
    .info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
    .info-grid { grid-template-columns: 1fr; }
}

.info-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-2);
    transition: background 0.35s;
}
.info-card .sidebar-title {
    cursor: default;
}
.info-card .feature-list {
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Param table inside info card */
.param-table {
    padding: 16px 18px;
}
.param-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
}
.param-row:last-child { border-bottom: none; }
.param-key {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-4);
    letter-spacing: 0.03em;
}
.param-val {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-2);
}
.param-val.highlight { color: var(--accent); }
.param-divider {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-top: 1px solid var(--line-strong);
    margin-top: 2px;
}
.param-divider .param-key { font-weight: 500; color: var(--ink-3); }
.param-divider .param-val { font-size: 13px; color: var(--accent); }

.param-bar-container {
    margin-top: 4px;
    height: 4px;
    background: var(--bg-3);
    border-radius: 2px;
    overflow: hidden;
}
.param-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.22,1,0.36,1);
}

/* ============================================================
   BLOG LINKS
   ============================================================ */
.blog-list {
    padding: 0;
}
.blog-link-item {
    display: block;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    transition: background 0.15s ease;
    position: relative;
    overflow: hidden;
}
.blog-link-item:last-child { border-bottom: none; }
.blog-link-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.2s cubic-bezier(0.22,1,0.36,1);
}
.blog-link-item:hover { background: var(--bg-3); }
.blog-link-item:hover::before { transform: scaleY(1); }
.blog-link-num {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
    letter-spacing: 0.08em;
    margin-bottom: 5px;
}
.blog-link-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-2);
    line-height: 1.4;
    margin-bottom: 6px;
    transition: color 0.15s;
}
.blog-link-item:hover .blog-link-title { color: var(--accent); }
.blog-link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-4);
    transition: color 0.15s, gap 0.2s ease;
}
.blog-link-item:hover .blog-link-arrow {
    color: var(--accent);
    gap: 8px;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    border-top: 1px solid var(--line);
    padding: 18px clamp(20px, 4vw, 56px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg);
    transition: background 0.35s;
}
.footer-text {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-4);
    letter-spacing: 0.06em;
}
.footer-text strong { color: var(--ink-3); font-weight: 500; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 680px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-meta { text-align: left; }
    .panel-row { grid-template-columns: 1fr; }
    .panel-source { border-right: none; border-bottom: 1px solid var(--line-strong); }
    header { height: auto; padding: 12px clamp(16px, 4vw, 56px); }
    .header-nav { display: none; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .controls-left { justify-content: space-between; }
    .btn { flex: 1; justify-content: center; }
}

/* ============================================================
   PROMPT CHIPS
   ============================================================ */
.prompt-chips {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 0 6px;
    flex-wrap: wrap;
}
.prompt-chips-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-4);
    padding-right: 4px;
    flex-shrink: 0;
}
.prompt-chip {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 400;
    color: var(--ink-3);
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}
.prompt-chip:hover {
    background: var(--accent-dim);
    color: var(--accent);
    border-color: var(--accent);
}
.prompt-chip:active {
    transform: scale(0.96);
}

/* ============================================================
   ALTERNATIVES PANEL
   ============================================================ */
.alt-panel {
    margin-top: 16px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-2);
    transition: background 0.35s;
}
.alt-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--bg-3);
    border-bottom: 1px solid var(--line);
    transition: background 0.35s;
}
.alt-panel-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-4);
}
.alt-panel-badge {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.08em;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 2px 7px;
    border-radius: 2px;
}
.alt-list {
    padding: 0;
}
.alt-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: background 0.15s ease;
}
.alt-item:last-child { border-bottom: none; }
.alt-item:hover { background: var(--bg-3); }
.alt-item.alt-active {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    padding-left: 13px;
}
.alt-best { position: relative; }
.alt-rank {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-4);
    width: 24px;
    flex-shrink: 0;
}
.alt-texts {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.alt-hindi {
    font-family: var(--font-ui);
    font-size: 15px;
    color: var(--ink);
    line-height: 1.4;
}
.alt-latin {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-4);
    font-style: italic;
}
.alt-score {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-3);
    flex-shrink: 0;
    min-width: 50px;
    text-align: right;
}

/* ============================================================
   ATTENTION HEATMAP
   ============================================================ */
.heatmap-panel {
    margin-top: 16px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-2);
    transition: background 0.35s;
}
.heatmap-panel .alt-panel-header {
    cursor: default;
}

/* Stats bar */
.heatmap-stats {
    display: flex;
    gap: 8px;
    padding: 10px 16px 6px;
    flex-wrap: wrap;
}
.heatmap-stat-chip {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
    background: var(--bg-3);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 2px 7px;
}
.heatmap-stat-val {
    color: var(--accent);
    font-weight: 600;
}

/* Insights */
.heatmap-insights {
    padding: 8px 16px 4px;
}
.heatmap-insight-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-2);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.heatmap-insight-title svg {
    color: var(--accent);
    flex-shrink: 0;
}
.heatmap-insight-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-2);
    background: var(--bg-3);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 3px 8px;
    margin-right: 5px;
    margin-bottom: 4px;
    white-space: nowrap;
}
.heatmap-insight-arrow {
    color: var(--accent);
    font-weight: 700;
}

.heatmap-wrap {
    padding: 16px;
    overflow-x: auto;
}
.heatmap-grid {
    font-size: 10px;
}
.heatmap-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--ink-4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.heatmap-label-strong {
    color: var(--accent) !important;
    font-weight: 700;
}
.heatmap-label-top {
    writing-mode: vertical-lr;
    text-orientation: mixed;
    transform: rotate(180deg);
    max-height: 50px;
}
.heatmap-label-left {
    justify-content: flex-end;
    padding-right: 8px;
    max-width: 80px;
}
.heatmap-cell {
    width: 28px;
    height: 22px;
    border-radius: 2px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: crosshair;
}
.heatmap-cell:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--accent), 0 4px 12px rgba(212,74,42,0.3);
    z-index: 1;
}

/* Legend */
.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 10px 16px 14px;
}
.heatmap-legend-label {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--ink-4);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}
.heatmap-legend-cell {
    width: 16px;
    height: 8px;
    border-radius: 1px;
}

/* ============================================================
   TRANSLATE ARROW
   ============================================================ */
.arrow-divider {
    display: none; /* hidden in grid, visible on mobile */
}