@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

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

:root {
  --bg:           #080810;
  --surface:      #0f0f1a;
  --surface2:     #16162a;
  --surface3:     #1d1d35;
  --border:       rgba(255,255,255,0.06);
  --border-md:    rgba(255,255,255,0.11);
  --border-hi:    rgba(255,255,255,0.20);
  --accent:       #c8b4ff;
  --accent-glow:  rgba(200,180,255,0.15);
  --accent-dim:   rgba(200,180,255,0.08);
  --red:          #ff6b8a;
  --red-dim:      rgba(255,107,138,0.10);
  --red-glow:     rgba(255,107,138,0.20);
  --blue:         #60c8ff;
  --blue-dim:     rgba(96,200,255,0.10);
  --text:         #eeeef5;
  --text-muted:   #8888aa;
  --text-dim:     #44445a;
  --radius-lg:    20px;
  --radius-md:    14px;
  --radius-sm:    10px;
  --radius-xs:    7px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── BACKGROUND ORBS ─────────────────────────────────────── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
  opacity: 0.25;
}
.bg-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #4a2080, transparent);
  top: -150px; left: -100px;
}
.bg-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #1a4060, transparent);
  bottom: -100px; right: -80px;
}

/* ─── LAYOUT ──────────────────────────────────────────────── */
#app {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ─── HEADER ──────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 0;
  margin-bottom: 56px;
}

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

.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 18px; height: 18px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.lang-toggle {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border-md);
  border-radius: 40px;
  padding: 4px;
  gap: 2px;
}

.lang-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  border-radius: 30px;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--surface3);
  color: var(--text);
}

.lang-btn:hover:not(.active) { color: var(--text); }

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
  text-align: center;
  margin-bottom: 52px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  display: block;
  width: 28px; height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(40px, 7vw, 78px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 18px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #c8b4ff, #60c8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── UPLOAD ──────────────────────────────────────────────── */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

@media (max-width: 580px) {
  .upload-grid { grid-template-columns: 1fr; }
}

.drop-zone {
  position: relative;
  background: var(--surface);
  border: 1.5px dashed var(--border-md);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.drop-zone:hover { border-color: var(--border-hi); }
.drop-zone:hover::before { opacity: 1; }

.drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.drop-zone.drag-over::before { opacity: 1; }

.drop-zone.loaded {
  border-style: solid;
  border-color: rgba(200,180,255,0.35);
}

.drop-zone.loaded::before { opacity: 1; }

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%; height: 100%;
  z-index: 2;
}

.drop-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface2);
  border: 1px solid var(--border-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: transform 0.25s ease;
  position: relative;
  z-index: 1;
}

.drop-icon svg {
  width: 20px; height: 20px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.2s;
}

.drop-zone:hover .drop-icon { transform: translateY(-3px); }
.drop-zone:hover .drop-icon svg { stroke: var(--accent); }
.drop-zone.loaded .drop-icon svg { stroke: var(--accent); }

.drop-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
  transition: color 0.2s;
}

.drop-zone.loaded .drop-label { color: var(--accent); }

.drop-hint {
  font-size: 12px;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}

.drop-filename {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  display: none;
  position: relative;
  z-index: 1;
  margin-top: 4px;
}

.drop-zone.loaded .drop-filename { display: block; }
.drop-zone.loaded .drop-hint { display: none; }

/* ─── ERROR ───────────────────────────────────────────────── */
.error-box {
  display: none;
  background: var(--red-dim);
  border: 1px solid rgba(255,107,138,0.3);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--red);
  margin-bottom: 16px;
}

/* ─── ANALYZE BUTTON ──────────────────────────────────────── */
.btn-analyze {
  display: block;
  width: 100%;
  padding: 18px 24px;
  background: linear-gradient(135deg, #6e40c9, #4a8fd4);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  margin-bottom: 56px;
}

.btn-analyze::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-analyze:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(110,64,201,0.4);
}

.btn-analyze:hover::after { opacity: 1; }
.btn-analyze:active { transform: translateY(0); }

.btn-analyze:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ─── LOADING ─────────────────────────────────────────────── */
.loading-state {
  display: none;
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 14px;
}

.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border-md);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── STATS ───────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

@media (max-width: 620px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.stat-card:hover {
  border-color: var(--border-md);
  transform: translateY(-2px);
}

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 7px;
}

.stat-num.purple { color: var(--accent); }
.stat-num.red    { color: var(--red); }
.stat-num.blue   { color: var(--blue); }
.stat-num.green  { color: #5effa0; }

.stat-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  line-height: 1.4;
}

/* ─── RESULT PANELS ───────────────────────────────────────── */
.panels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 680px) {
  .panels-grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}

.panel:hover { border-color: var(--border-md); }

.panel-head {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

.panel-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 9px;
}

.pill-red  { background: var(--red-dim);  color: var(--red); }
.pill-blue { background: var(--blue-dim); color: var(--blue); }

.panel-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.panel-big-count {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
}

.count-red  { color: var(--red); }
.count-blue { color: var(--blue); }

/* ─── SEARCH ──────────────────────────────────────────────── */
.panel-search {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  position: relative;
  flex-shrink: 0;
}

.panel-search svg {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  width: 13px; height: 13px;
  stroke: var(--text-dim);
  fill: none;
  stroke-width: 2;
  pointer-events: none;
}

.panel-search input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 8px 10px 8px 32px;
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.panel-search input:focus { border-color: var(--border-hi); }
.panel-search input::placeholder { color: var(--text-dim); }

/* ─── USER LIST ───────────────────────────────────────────── */
.user-list {
  list-style: none;
  overflow-y: auto;
  max-height: 440px;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--surface3) transparent;
}

.user-list::-webkit-scrollbar { width: 3px; }
.user-list::-webkit-scrollbar-track { background: transparent; }
.user-list::-webkit-scrollbar-thumb {
  background: var(--surface3);
  border-radius: 2px;
}

.user-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.user-item:last-child { border-bottom: none; }
.user-item:hover { background: var(--surface2); }

.user-av {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  flex-shrink: 0;
  text-transform: uppercase;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-link {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.15s;
}

.user-link:hover { color: var(--accent); }

.user-date {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 1px;
}

.ext-icon {
  width: 13px; height: 13px;
  stroke: var(--text-dim);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  flex-shrink: 0;
  transition: stroke 0.15s;
}

.user-item:hover .ext-icon { stroke: var(--accent); }

.list-empty {
  padding: 44px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
}

/* ─── RESULTS WRAPPER ─────────────────────────────────────── */
#resultsSection { display: none; }

/* ─── FOOTER ──────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 32px 0;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

/* ─── ANIMATIONS ──────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.4s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.fade-up:nth-child(1) { animation-delay: 0.05s; }
.fade-up:nth-child(2) { animation-delay: 0.10s; }
.fade-up:nth-child(3) { animation-delay: 0.15s; }
.fade-up:nth-child(4) { animation-delay: 0.20s; }