@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=DM+Sans:wght@300;400;500;700&family=Bebas+Neue&display=swap');

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface2: #1a1a26;
    --border: #2a2a3a;
    --accent-green: #00ff88;
    --accent-red: #ff3355;
    --accent-yellow: #ffcc00;
    --accent-blue: #4488ff;
    --text: #e8e8f0;
    --text-muted: #6668aa;
    --font-mono: 'Space Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
    --font-display: 'Bebas Neue', sans-serif;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== SCREENS ===== */
.screen { 
    display: none; 
    min-height: 100vh; 
}

.screen.active { 
    display: flex; 
    flex-direction: column; 
}

/* ===== INTRO SCREEN ===== */
#screen-intro { align-items: center; justify-content: center; position: relative; overflow: hidden; }
.intro-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 60% 40% at 20% 60%, rgba(0,255,136,0.07) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 30%, rgba(255,51,85,0.07) 0%, transparent 60%);
}
.noise-overlay {
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
}
.intro-content { position: relative; text-align: center; max-width: 620px; padding: 2rem; width: 100%; }
.badge {
    display: inline-block; font-family: var(--font-mono); font-size: 0.68rem;
    letter-spacing: 0.2em; color: var(--accent-green); border: 1px solid var(--accent-green);
    padding: 0.3em 1em; margin-bottom: 1.75rem; animation: pulse-border 2s ease-in-out infinite;
}
@keyframes pulse-border { 0%,100%{box-shadow:0 0 0px rgba(0,255,136,0.3)} 50%{box-shadow:0 0 20px rgba(0,255,136,0.3)} }
.intro-title { font-family: var(--font-display); font-size: clamp(3.5rem,11vw,7rem); letter-spacing: 0.05em; line-height: 0.9; margin-bottom: 0.5rem; }
.intro-title .word-news  { color: var(--accent-green); }
.intro-title .word-or   { color: var(--text-muted); font-size: 0.5em; }
.intro-title .word-noise { color: var(--accent-red); }
.intro-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); margin-bottom: 2rem; letter-spacing: 0.04em; line-height: 1.6; }

.diff-label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.65rem; }
.diff-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.6rem; margin-bottom: 1.75rem; }
.diff-btn {
    background: var(--surface); border: 2px solid var(--border); color: var(--text-muted);
    padding: 0.85rem 0.4rem; cursor: pointer; font-family: var(--font-body); border-radius: 2px;
    transition: all 0.15s; display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
}
.diff-btn .diff-icon { font-size: 1.4rem; }
.diff-btn .diff-name { font-size: 0.85rem; font-weight: 700; color: var(--text); }
.diff-btn .diff-desc { font-size: 0.65rem; color: var(--text-muted); line-height: 1.3; }
.diff-btn:hover { border-color: var(--accent-blue); }
.diff-btn.selected { border-color: var(--accent-green); background: rgba(0,255,136,0.06); }
.diff-btn.selected .diff-name { color: var(--accent-green); }

.btn-primary {
    background: var(--accent-green); color: #000; border: none;
    font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.1em;
    padding: 0.95rem 2rem; cursor: pointer; transition: transform 0.1s, box-shadow 0.2s;
    display: block; width: 100%; margin-bottom: 0.65rem;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,255,136,0.35); }
.btn-ghost {
    background: transparent; color: var(--text-muted); border: 1px solid var(--border);
    font-family: var(--font-mono); font-size: 0.78rem; padding: 0.6rem 1.5rem;
    cursor: pointer; transition: all 0.2s; width: 100%;
}
.btn-ghost:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

/* ===== GAME HUD ===== */
#screen-game { flex-direction: column; }

.hud {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.hud-brand {
    font-family: var(--font-display);
    font-size: 1.3rem;
    letter-spacing: 0.1em;
}

.hud-brand span:first-child { color: var(--accent-green); }
.hud-brand span:last-child { color: var(--accent-red); }

.hud-stats {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.hud-stat {
    text-align: center;
}

.hud-stat-val {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    display: block;
}

.hud-stat-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.score-val { color: var(--accent-yellow); }
.level-val { color: var(--accent-blue); }
.streak-val { color: var(--accent-green); }

.timer-bar-wrap {
    width: 100%;
    background: var(--surface2);
    height: 8px;
    border-radius: 4px;
}

.timer-bar {
    height: 100%;
    background: var(--accent-green);
    transition: width 1s linear, background 0.3s;
    border-radius: 4px;
}

/* ===== GAME AREA ===== */
.game-area {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 1.5rem;
}

/* ===== POST CARD ===== */
.post-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.post-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
    animation: slide-in 0.4s ease;
}

@keyframes slide-in {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.avatar {
    width: 40px; 
    height: 40px;
    border-radius: 50%;
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.post-meta { flex: 1; }
.post-author { font-weight: 700; font-size: 0.95rem; }
.post-handle { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }

.emotion-badge {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 99px;
    font-family: var(--font-mono);
    font-weight: 700;
}

.emotion-HIGH { 
    background: rgba(255,51,85,0.2); 
    color: var(--accent-red); 
    border: 1px solid rgba(255,51,85,0.3); 
}
.emotion-MED { 
    background: rgba(255,204,0,0.2); 
    color: var(--accent-yellow); 
    border: 1px solid rgba(255,204,0,0.3); 
}
.emotion-LOW { 
    background: rgba(0,255,136,0.2); 
    color: var(--accent-green); 
    border: 1px solid rgba(0,255,136,0.3); 
}

.post-body { padding: 1rem; }

.post-headline {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.post-content {
    font-size: 0.9rem;
    color: #b0b0c0;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 2px;
    margin-bottom: 1rem;
    background: var(--surface2);
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 3rem;
}

.post-footer {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.post-stat { 
    display: flex; 
    align-items: center; 
    gap: 0.4rem; 
}

/* ===== VIRAL METER ===== */
.viral-meter {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 2px;
}

.viral-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.viral-label { 
    color: var(--text-muted); 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
}

.viral-count { 
    color: var(--accent-red); 
    font-weight: 700; 
}

.viral-bar-wrap {
    background: var(--surface2);
    height: 10px;
    border-radius: 2px;
    overflow: hidden;
}

.viral-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-red));
    transition: width 2s linear;
    border-radius: 2px;
}

/* ===== TOOLS PANEL ===== */
.tools-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tools-header {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.tool-card:hover { 
    border-color: var(--accent-blue); 
}

.tool-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
    font-family: var(--font-body);
    transition: background 0.15s;
}

.tool-btn:hover { 
    background: var(--surface2); 
}

.tool-btn.used { 
    opacity: 0.5; 
    pointer-events: none; 
}

.tool-icon { 
    font-size: 1.2rem; 
    flex-shrink: 0; 
}

.tool-name { 
    font-weight: 600; 
    font-size: 0.9rem; 
    display: block; 
}

.tool-desc { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
}

.tool-result {
    padding: 0 1rem 0.75rem;
    font-size: 0.82rem;
    line-height: 1.5;
    display: none;
    animation: fade-in 0.3s ease;
}

@keyframes fade-in {
    from { opacity: 0; } 
    to { opacity: 1; }
}

.tool-result.visible { 
    display: block; 
}

.flag { 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    margin: 0.3rem 0; 
}

.flag-green { color: var(--accent-green); }
.flag-red { color: var(--accent-red); }
.flag-yellow { color: var(--accent-yellow); }

/* ===== VERDICT BUTTONS ===== */
.verdict-section {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 2px;
}

.verdict-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.verdict-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.btn-true {
    background: rgba(0,255,136,0.15);
    border: 2px solid var(--accent-green);
    color: var(--accent-green);
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    padding: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
    border-radius: 2px;
}

.btn-true:hover {
    background: rgba(0,255,136,0.3);
    box-shadow: 0 0 20px rgba(0,255,136,0.3);
}

.btn-fake {
    background: rgba(255,51,85,0.15);
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    padding: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
    border-radius: 2px;
}

.btn-fake:hover {
    background: rgba(255,51,85,0.3);
    box-shadow: 0 0 20px rgba(255,51,85,0.3);
}

/* ===== FEEDBACK OVERLAY ===== */
.feedback-overlay {
    position: fixed; 
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.feedback-overlay.visible { 
    display: flex; 
}

.feedback-card {
    background: var(--surface);
    border: 2px solid var(--border);
    padding: 2.5rem;
    max-width: 480px;
    width: 90%;
    text-align: center;
    animation: pop-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pop-in {
    from { transform: scale(0.7); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.feedback-icon { 
    font-size: 3.5rem; 
    margin-bottom: 0.5rem; 
}

.feedback-verdict {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.feedback-verdict.correct { color: var(--accent-green); }
.feedback-verdict.wrong { color: var(--accent-red); }

.feedback-explanation {
    font-size: 0.9rem;
    color: #b0b0c0;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feedback-points {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--accent-yellow);
    margin-bottom: 1.5rem;
}

.btn-next {
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.75rem 2rem;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-next:hover { 
    border-color: var(--accent-blue); 
    color: var(--accent-blue); 
}

/* ===== END SCREEN ===== */
#screen-end {
    align-items: center;
    justify-content: center;
    text-align: center;
}

.end-content { 
    max-width: 500px; 
    padding: 2rem; 
}

.end-title {
    font-family: var(--font-display);
    font-size: 4rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--accent-yellow);
}

.end-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.end-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.end-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 2px;
}

.end-stat-val {
    font-family: var(--font-display);
    font-size: 2rem;
    display: block;
}

.end-stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.rank-badge {
    background: linear-gradient(135deg, #2a2000, #4a3800);
    border: 2px solid var(--accent-yellow);
    padding: 1rem 2rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.rank-title { 
    font-family: var(--font-display); 
    font-size: 1.5rem; 
    color: var(--accent-yellow); 
}

.rank-sub { 
    font-size: 0.75rem; 
    color: var(--text-muted); 
}

  .hud { display: flex; align-items: center; justify-content: space-between; padding: 0.7rem 1.5rem; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
  .hud-brand { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: 0.1em; }
  .hud-brand span:first-child { color: var(--accent-green); }
  .hud-brand span:last-child  { color: var(--accent-red); }
  .hud-stats { display: flex; gap: 1.25rem; align-items: center; }
  .hud-stat  { text-align: center; }
  .hud-stat-val   { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 700; display: block; }
  .hud-stat-label { font-size: 0.58rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }
  .score-val  { color: var(--accent-yellow); }
  .streak-val { color: var(--accent-green); }
  .level-val  { color: var(--accent-blue); }

  /* ===== GAME ===== */
  #screen-game { flex-direction: column; }
  .game-panels { flex: 1; }
  .panel-post, .panel-tools { display: none; max-width: 740px; margin: 0 auto; width: 100%; padding: 1.25rem; flex-direction: column; gap: 0.9rem; }
  .panel-post.active, .panel-tools.active { display: flex; }

  /* ===== POST CARD ===== */
  .post-card { background: var(--surface); border: 1px solid var(--border); border-radius: 2px; overflow: hidden; animation: slide-in 0.35s ease; }
  @keyframes slide-in { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
  .post-header { display: flex; align-items: center; gap: 0.75rem; padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); }
  .avatar { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.15rem; flex-shrink: 0; }
  .post-meta { flex: 1; }
  .post-author { font-weight: 700; font-size: 0.92rem; }
  .post-handle { font-size: 0.73rem; color: var(--text-muted); font-family: var(--font-mono); }
  .emotion-badge { display: flex; align-items: center; gap: 0.3rem; font-size: 0.7rem; padding: 0.22rem 0.55rem; border-radius: 99px; font-family: var(--font-mono); font-weight: 700; }
  .emotion-HIGH   { background: rgba(255,51,85,0.2);   color: var(--accent-red);    border: 1px solid rgba(255,51,85,0.3); }
  .emotion-MED    { background: rgba(255,204,0,0.2);   color: var(--accent-yellow); border: 1px solid rgba(255,204,0,0.3); }
  .emotion-LOW    { background: rgba(0,255,136,0.2);   color: var(--accent-green);  border: 1px solid rgba(0,255,136,0.3); }
  .post-body    { padding: 0.9rem 1rem; }
  .post-headline { font-size: 1.05rem; font-weight: 700; line-height: 1.4; margin-bottom: 0.65rem; }
  .post-content  { font-size: 0.86rem; color: #b0b0c0; line-height: 1.6; margin-bottom: 0.9rem; }
  .post-image { width: 100%; height: 160px; border-radius: 2px; margin-bottom: 0; background: var(--surface2); display: flex; align-items: center; justify-content: center; font-size: 2.8rem; }
  .post-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem 1rem; padding: 0.65rem 1rem; border-top: 1px solid var(--border); font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }
  .post-stat { display: flex; align-items: center; gap: 0.3rem; }
  .post-date { font-size: 0.68rem; }
  .viral-inline { display: flex; align-items: center; gap: 0.4rem; color: var(--accent-red); margin-left: auto; }
  .viral-inline-count { font-weight: 700; font-size: 0.76rem; }

  /* ===== ZAGADNIENIE ===== */
  .zagadnienie-block { background: rgba(68,136,255,0.07); border: 1px solid rgba(68,136,255,0.3); padding: 0.9rem 1rem; border-radius: 2px; }
  .zagadnienie-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-blue); margin-bottom: 0.35rem; }
  .zagadnienie-text  { font-size: 0.88rem; line-height: 1.6; color: var(--text); }

  /* ===== VERDICT ===== */
  .verdict-block { background: var(--surface); border: 1px solid var(--border); padding: 0.9rem 1rem; border-radius: 2px; }
  .verdict-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.7rem; }
  .verdict-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-bottom: 0.7rem; }
  .btn-true { background: rgba(0,255,136,0.12); border: 2px solid var(--accent-green); color: var(--accent-green); font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.1em; padding: 0.8rem; cursor: pointer; transition: all 0.15s; border-radius: 2px; }
  .btn-true:hover { background: rgba(0,255,136,0.22); box-shadow: 0 0 18px rgba(0,255,136,0.22); }
  .btn-fake { background: rgba(255,51,85,0.12); border: 2px solid var(--accent-red); color: var(--accent-red); font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.1em; padding: 0.8rem; cursor: pointer; transition: all 0.15s; border-radius: 2px; }
  .btn-fake:hover { background: rgba(255,51,85,0.22); box-shadow: 0 0 18px rgba(255,51,85,0.22); }
  .btn-tools { width: 100%; background: var(--surface2); border: 1px dashed var(--border); color: var(--text-muted); font-family: var(--font-mono); font-size: 0.76rem; padding: 0.6rem; cursor: pointer; transition: all 0.2s; border-radius: 2px; }
  .btn-tools:hover { border-color: var(--accent-yellow); color: var(--accent-yellow); }

  /* ===== TOOLS PANEL ===== */
  .tools-back-btn { width: 100%; background: var(--surface2); border: 1px dashed var(--border); color: var(--text-muted); font-family: var(--font-mono); font-size: 0.76rem; padding: 0.6rem; cursor: pointer; transition: all 0.2s; border-radius: 2px; }
  .tools-back-btn:hover { border-color: var(--accent-yellow); color: var(--accent-yellow); }
  .tools-header-label { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-muted); padding-bottom: 0.45rem; border-bottom: 1px solid var(--border); }
  .tool-card { background: var(--surface); border: 1px solid var(--border); border-radius: 2px; overflow: hidden; transition: border-color 0.2s; }
  .tool-card:hover { border-color: var(--accent-blue); }
  .tool-btn { width: 100%; padding: 0.7rem 0.9rem; background: none; border: none; color: var(--text); cursor: pointer; display: flex; align-items: center; gap: 0.7rem; text-align: left; font-family: var(--font-body); transition: background 0.15s; }
  .tool-btn:hover { background: var(--surface2); }
  .tool-btn.used  { opacity: 0.5; pointer-events: none; }
  .tool-icon { font-size: 1.15rem; flex-shrink: 0; }
  .tool-name { font-weight: 600; font-size: 0.88rem; display: block; }
  .tool-desc { font-size: 0.7rem; color: var(--text-muted); }
  .tool-result { padding: 0 0.9rem 0.7rem; font-size: 0.8rem; line-height: 1.55; display: none; animation: fade-in 0.3s ease; }
  .tool-result.visible { display: block; }
  @keyframes fade-in { from{opacity:0} to{opacity:1} }
  .flag { display: flex; align-items: flex-start; gap: 0.45rem; margin: 0.28rem 0; }
  .flag-green  { color: var(--accent-green); }
  .flag-red    { color: var(--accent-red); }
  .flag-yellow { color: var(--accent-yellow); }
  .tools-verdict { background: var(--surface); border: 1px solid var(--border); padding: 0.9rem 1rem; border-radius: 2px; }
  .tools-verdict-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.7rem; }

  /* ===== FEEDBACK ===== */
  .feedback-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.85); display: none; align-items: center; justify-content: center; z-index: 200; backdrop-filter: blur(4px); }
  .feedback-overlay.visible { display: flex; }
  .feedback-card { background: var(--surface); border: 2px solid var(--border); padding: 2.25rem; max-width: 440px; width: 90%; text-align: center; animation: pop-in 0.38s cubic-bezier(0.34,1.56,0.64,1); }
  @keyframes pop-in { from{transform:scale(0.7);opacity:0} to{transform:scale(1);opacity:1} }
  .feedback-icon    { font-size: 3.2rem; margin-bottom: 0.4rem; }
  .feedback-verdict { font-family: var(--font-display); font-size: 2.3rem; letter-spacing: 0.1em; margin-bottom: 0.4rem; }
  .feedback-verdict.correct { color: var(--accent-green); }
  .feedback-verdict.wrong   { color: var(--accent-red); }
  .feedback-explanation { font-size: 0.85rem; color: #b0b0c0; line-height: 1.6; margin-bottom: 1.25rem; }
  .feedback-points  { font-family: var(--font-mono); font-size: 1rem; color: var(--accent-yellow); margin-bottom: 1.25rem; }
  .btn-next { background: var(--surface2); border: 1px solid var(--border); color: var(--text); font-family: var(--font-mono); font-size: 0.82rem; padding: 0.7rem 2rem; cursor: pointer; transition: all 0.15s; }
  .btn-next:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

  /* ===== END ===== */
  #screen-end { align-items: center; justify-content: center; text-align: center; }
  .end-content { max-width: 480px; padding: 2rem; }
  .end-title    { font-family: var(--font-display); font-size: 3.2rem; letter-spacing: 0.1em; margin-bottom: 0.4rem; color: var(--accent-yellow); }
  .end-subtitle { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.75rem; }
  .end-stats    { display: grid; grid-template-columns: repeat(3,1fr); gap: 0.9rem; margin-bottom: 1.75rem; }
  .end-stat     { background: var(--surface); border: 1px solid var(--border); padding: 0.9rem; border-radius: 2px; }
  .end-stat-val { font-family: var(--font-display); font-size: 1.9rem; display: block; }
  .end-stat-label { font-size: 0.62rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }
  .rank-badge { background: linear-gradient(135deg,#2a2000,#4a3800); border: 2px solid var(--accent-yellow); padding: 0.9rem 2rem; margin-bottom: 1.75rem; display: inline-block; }
  .rank-title { font-family: var(--font-display); font-size: 1.4rem; color: var(--accent-yellow); }
  .rank-sub   { font-size: 0.7rem; color: var(--text-muted); }


/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); }

/* ===== GLITCH EFFECT ===== */
@keyframes glitch {
    0%, 100% { clip-path: inset(0 0 100% 0); }
    5% { clip-path: inset(10% 0 60% 0); transform: translate(-3px); }
    10% { clip-path: inset(50% 0 30% 0); transform: translate(3px); }
    15% { clip-path: inset(0); transform: translate(0); }
}

/* ===== LEVEL PILL ===== */
.level-pill {
    display: inline-flex; 
    align-items: center; 
    gap: 0.4rem;
    font-size: 0.7rem; 
    font-family: var(--font-mono);
    background: rgba(68,136,255,0.15);
    border: 1px solid rgba(68,136,255,0.3);
    color: var(--accent-blue);
    padding: 0.2em 0.7em;
    border-radius: 99px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .game-area { 
        grid-template-columns: 1fr; 
    }
    .tools-panel { 
        order: -1; 
    }
    .hud-stats { 
        gap: 0.75rem; 
    }
}

/* ===== TUTORIAL ===== */
#screen-tutorial { align-items: center; }
.tut-wrap { max-width: 700px; width: 100%; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.tut-back {
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted);
    background: none; border: none; cursor: pointer; margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.5rem; transition: color 0.15s;
}
.tut-back:hover { color: var(--accent-blue); }
.tut-title { font-family: var(--font-display); font-size: 2.8rem; letter-spacing: 0.1em; margin-bottom: 0.2rem; color: var(--accent-yellow); }
.tut-subtitle { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 2rem; font-family: var(--font-mono); }
.tut-section { margin-bottom: 2rem; }
.tut-section-title { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-blue); border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; margin-bottom: 1rem; }
.tut-step { display: flex; gap: 1rem; padding: 0.8rem; margin-bottom: 0.45rem; background: var(--surface); border: 1px solid var(--border); border-radius: 2px; }
.tut-step-num { font-family: var(--font-display); font-size: 1.8rem; color: var(--accent-yellow); line-height: 1; flex-shrink: 0; width: 2rem; text-align: center; padding-top: 2px; }
.tut-step-name { font-weight: 700; font-size: 0.92rem; margin-bottom: 0.2rem; }
.tut-step-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
.score-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.score-table th { text-align: left; padding: 0.5rem 0.75rem; background: var(--surface2); font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); border: 1px solid var(--border); }
.score-table td { padding: 0.5rem 0.75rem; border: 1px solid var(--border); }
.score-table tr:nth-child(even) td { background: var(--surface); }
.pts-green  { color: var(--accent-green);  font-weight: 700; font-family: var(--font-mono); }
.pts-red    { color: var(--accent-red);    font-weight: 700; font-family: var(--font-mono); }
.pts-yellow { color: var(--accent-yellow); font-weight: 700; font-family: var(--font-mono); }
.rank-list { display: flex; flex-direction: column; gap: 0.45rem; }
.rank-item { display: flex; align-items: center; gap: 1rem; padding: 0.7rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 2px; font-size: 0.86rem; }
.rank-icon { font-size: 1.3rem; }
.rank-name  { font-weight: 700; }
.rank-range { font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-mono); }


.timer {
    position: fixed;
    display: flex;
    flex-direction: column;
    bottom: 0; left: 0;
    width: 100%;
    align-items: center;
}