/* ════════════════════════════════════════════════
   O'ZBEK NLP TIZIMI — STYLE SHEET v2.0
   Terminal-inspired dark aesthetic
   ════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ── */
:root {
  --bg:          #080c14;
  --bg-card:     #0d1424;
  --bg-card2:    #111a2e;
  --border:      rgba(99,179,237,0.12);
  --border-glow: rgba(99,179,237,0.30);

  --blue:        #63b3ed;
  --blue-dim:    rgba(99,179,237,0.15);
  --blue-bright: #90cdf4;
  --green:       #68d391;
  --green-dim:   rgba(104,211,145,0.15);
  --purple:      #b794f4;
  --purple-dim:  rgba(183,148,244,0.15);
  --amber:       #f6ad55;
  --amber-dim:   rgba(246,173,85,0.15);
  --red:         #fc8181;
  --red-dim:     rgba(252,129,129,0.15);

  --text-1:      #e2e8f0;
  --text-2:      #94a3b8;
  --text-3:      #4a5568;

  --mono:        'JetBrains Mono', monospace;
  --sans:        'Onest', system-ui, sans-serif;

  --radius:      10px;
  --radius-lg:   16px;
  --shadow:      0 4px 32px rgba(0,0,0,0.5);
  --transition:  0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-bright); }

/* ── BACKGROUND EFFECTS ── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(99,179,237,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,179,237,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,179,237,0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* ── LAYOUT ── */
.layout {
  position: relative; z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 24px 48px;
}

/* ── HEADER ── */
.header {
  text-align: center;
  margin-bottom: 48px;
  animation: fadeDown 0.6s ease;
}

.header-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid var(--border-glow);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header-title {
  font-family: var(--sans);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 8px;
}

.title-icon {
  color: var(--blue);
  margin-right: 10px;
}

.header-sub {
  font-size: 0.875rem;
  color: var(--text-2);
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}

.header-stats {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-2);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
}

.status-dot-green {
  color: var(--green);
  border-color: rgba(104,211,145,0.25);
  background: var(--green-dim);
}
.status-dot-green::before {
  content: "● ";
  font-size: 0.6rem;
}

/* ── MAIN GRID ── */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 780px) {
  .main-grid { grid-template-columns: 1fr; }
}

/* ── CARD ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: border-color var(--transition);
}
.card:hover { border-color: var(--border-glow); }

.card-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.label-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-blue   { background: var(--blue);   box-shadow: 0 0 8px var(--blue); }
.dot-purple { background: var(--purple); box-shadow: 0 0 8px var(--purple); }
.dot-green  { background: var(--green);  box-shadow: 0 0 8px var(--green); }

/* ── TEXTAREA ── */
.textarea {
  width: 100%;
  height: 180px;
  background: #060a12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-1);
  line-height: 1.7;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.textarea::placeholder { color: var(--text-3); }
.textarea:focus {
  border-color: rgba(99,179,237,0.5);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.08);
}

/* ── INPUT META ── */
.input-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 8px 0 14px;
}

.char-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-3);
}

.btn-clear {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-3);
  background: none;
  border: none;
  cursor: pointer;
  padding: 3px 8px;
  border-radius: 5px;
  transition: color var(--transition), background var(--transition);
}
.btn-clear:hover { color: var(--red); background: var(--red-dim); }

/* ── SAMPLE BUTTONS ── */
.samples-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.samples-label {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--mono);
}

.sample-btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--blue);
  background: var(--blue-dim);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: 5px;
  padding: 3px 10px;
  cursor: pointer;
  transition: all var(--transition);
}
.sample-btn:hover {
  background: rgba(99,179,237,0.25);
  border-color: var(--blue);
}

/* ── PROCESS BUTTON ── */
.btn-process {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #1a6fa8, #2563eb);
  border: 1px solid rgba(99,179,237,0.3);
  border-radius: var(--radius);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 20px;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.btn-process:hover {
  background: linear-gradient(135deg, #2563eb, #1a6fa8);
  box-shadow: 0 0 24px rgba(99,179,237,0.3);
  transform: translateY(-1px);
}
.btn-process:active { transform: translateY(0); }
.btn-process:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-icon { font-size: 0.8rem; }

.btn-shortcut {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 2px 7px;
}

/* ── PIPELINE STEPS ── */
.pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pipe-arrow {
  text-align: center;
  color: var(--text-3);
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 2px 0;
}

.pipe-step {
  background: #080c14;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.pipe-step.active  { border-color: var(--blue);   background: rgba(99,179,237,0.04); }
.pipe-step.done    { border-color: rgba(104,211,145,0.3); }
.pipe-step.loading { border-color: var(--amber); animation: pulse-border 1s infinite; }

.pipe-step-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
}

.pipe-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.pipe-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  flex: 1;
}
.pipe-step.done .pipe-name  { color: var(--text-1); }

.pipe-status {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 999px;
}
.pipe-status.idle    { color: var(--text-3); background: rgba(255,255,255,0.04); }
.pipe-status.loading { color: var(--amber);  background: var(--amber-dim); }
.pipe-status.done    { color: var(--green);  background: var(--green-dim); }

.pipe-content {
  padding: 0 14px 10px;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--text-2);
  min-height: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s ease;
  line-height: 1.6;
}
.pipe-content.visible {
  max-height: 120px;
  overflow-y: auto;
  padding: 0 14px 10px;
}
.pipe-content::-webkit-scrollbar { width: 4px; }
.pipe-content::-webkit-scrollbar-track { background: transparent; }
.pipe-content::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 2px; }

/* ── TOKEN CHIPS in pipe content ── */
.token-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding-top: 2px;
}

.t-chip {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 5px;
  border: 1px solid;
  animation: chipIn 0.25s ease;
}
.t-chip.blue   { color: var(--blue);   border-color: rgba(99,179,237,0.3);  background: var(--blue-dim); }
.t-chip.green  { color: var(--green);  border-color: rgba(104,211,145,0.3); background: var(--green-dim); }
.t-chip.purple { color: var(--purple); border-color: rgba(183,148,244,0.3); background: var(--purple-dim); }
.t-chip.amber  { color: var(--amber);  border-color: rgba(246,173,85,0.3);  background: var(--amber-dim); }

/* ── METRICS BAR ── */
.metrics-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 16px;
  padding: 10px 16px;
  background: #060a12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  animation: fadeUp 0.4s ease;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.metric-val {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blue);
}

.metric-lbl {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-sep { color: var(--border-glow); font-size: 1rem; }

/* ── RESULT SECTION ── */
.result-section {
  background: var(--bg-card);
  border: 1px solid rgba(104,211,145,0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  animation: fadeUp 0.5s ease;
}

.result-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.result-token {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(104,211,145,0.25);
  border-radius: 7px;
  padding: 5px 12px;
  animation: chipIn 0.3s ease both;
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  min-width: 260px;
  max-width: 440px;
  padding: 13px 18px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.8rem;
  z-index: 9999;
  display: none;
  animation: toastIn 0.3s ease;
}
.error-toast {
  background: #1a0a0a;
  border: 1px solid rgba(252,129,129,0.4);
  color: var(--red);
}

/* ── FOOTER ── */
.footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-3);
  padding-top: 12px;
  font-family: var(--mono);
}

/* ── LOADING SHIMMER ── */
@keyframes shimmer {
  0%   { opacity: 0.4; }
  50%  { opacity: 1; }
  100% { opacity: 0.4; }
}
.loading-text { animation: shimmer 1.2s infinite; }

/* ── ANIMATIONS ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes chipIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-border {
  0%, 100% { border-color: rgba(246,173,85,0.3); }
  50%       { border-color: rgba(246,173,85,0.8); }
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }

/* ── RESPONSIVE ── */
@media (max-width: 520px) {
  .layout { padding: 20px 14px 36px; }
  .header-title { font-size: 1.5rem; }
  .btn-shortcut { display: none; }
}