:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --accent: #7c6af7;
  --accent2: #56cfb2;
  --text: #e8eaf6;
  --muted: #8b8fa8;
  --danger: #f76a6a;
  --success: #56cfb2;
  --border: #2e3250;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

h1 .logo { font-size: 2rem; }

.nav-tabs {
  border-bottom: 2px solid var(--border);
}
.nav-tabs .nav-link {
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: .75rem 1.5rem;
  font-weight: 600;
  transition: color .2s, border-color .2s;
}
.nav-tabs .nav-link:hover { color: var(--text); }
.nav-tabs .nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: none;
}

.card-dark {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

/* Move buttons */
.move-btn {
  background: var(--surface2);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 1.2rem 1rem;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
  width: 100%;
  color: var(--text);
}
.move-btn:hover {
  border-color: var(--accent);
  background: #2a2f4a;
}
.move-btn.selected {
  border-color: var(--accent);
  background: #2a2f4a;
  box-shadow: 0 0 0 3px rgba(124,106,247,.3);
}
.move-btn .emoji { font-size: 2.8rem; display: block; }
.move-btn .label { font-size: .85rem; font-weight: 600; margin-top: .4rem; color: var(--muted); }
.move-btn.selected .label { color: var(--accent); }

/* Steps */
.step { display: none; }
.step.active { display: block; }

.step-indicator {
  display: flex;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background .3s;
}
.step-dot.active { background: var(--accent); }
.step-dot.done { background: var(--accent2); }

/* Form controls */
.form-control, .form-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
}
.form-control:focus, .form-select:focus {
  background: var(--surface2);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(124,106,247,.2);
}
.form-control::placeholder { color: var(--muted); }

textarea.form-control { font-family: monospace; font-size: .82rem; }

/* Buttons */
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
  border-radius: 8px;
}
.btn-primary:hover { background: #6a59e0; border-color: #6a59e0; }

.btn-outline-secondary {
  border-color: var(--border);
  color: var(--muted);
  border-radius: 8px;
}
.btn-outline-secondary:hover { border-color: var(--accent); color: var(--text); background: var(--surface2); }

.btn-success {
  background: var(--success);
  border-color: var(--success);
  color: #0f1117;
  font-weight: 700;
  border-radius: 8px;
}

/* Result box */
.result-box {
  background: var(--surface2);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
}
.result-box .moves-display { font-size: 3rem; margin-bottom: .5rem; }
.result-box .verdict {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 1rem;
}
.verdict.win  { color: var(--success); }
.verdict.lose { color: var(--danger); }
.verdict.draw { color: var(--muted); }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.08); }
}
.result-box.show .verdict { animation: pulse .6s ease 2; }

/* Password row */
.password-row { position: relative; }
.password-row .form-control { padding-right: 7rem; }
.password-row .btn-gen {
  position: absolute; right: 4px; top: 4px; bottom: 4px;
  font-size: .75rem; padding: 0 .75rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; color: var(--muted); cursor: pointer;
  transition: color .2s;
}
.password-row .btn-gen:hover { color: var(--text); }

/* Alert */
.alert-error {
  background: rgba(247,106,106,.12);
  border: 1px solid rgba(247,106,106,.3);
  border-radius: 8px;
  color: var(--danger);
  padding: .75rem 1rem;
  font-size: .9rem;
}

/* WhatsApp button */
.btn-wa {
  background: #25d366;
  border: none;
  color: #fff;
  font-weight: 700;
  border-radius: 8px;
  padding: .6rem 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  transition: background .2s;
}
.btn-wa:hover { background: #1ebe5c; color: #fff; }

/* Utils */
.text-muted { color: var(--muted) !important; }
.badge-move {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .2rem .6rem;
  font-family: monospace;
  font-size: .9rem;
}