:root {
  --bg: #080b12;
  --bg2: #0d1120;
  --bg3: #111827;
  --card: #111827;
  --card2: #1a2235;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --text: #f0f4ff;
  --text2: #8b9bbf;
  --text3: #5c6b8a;
  --accent: #00d4aa;
  --accent2: #0099ff;
  --accent3: #7c3aed;
  --danger: #ef4444;
  --warn: #f59e0b;
  --glow: rgba(0,212,170,0.18);
  --glow2: rgba(0,153,255,0.12);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 16px 60px rgba(0,0,0,0.6);
}


[data-theme="light"] {
  --bg: #f0f4ff;
  --bg2: #e8edf8;
  --bg3: #dde4f5;
  --card: #ffffff;
  --card2: #f7f9ff;
  --border: rgba(0,0,0,0.07);
  --border2: rgba(0,0,0,0.13);
  --text: #0d1120;
  --text2: #4a5568;
  --text3: #8b9bbf;
  --glow: rgba(0,212,170,0.1);
  --glow2: rgba(0,153,255,0.08);
  --shadow: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 16px 60px rgba(0,0,0,0.14);
}


/* ── MAIN LAYOUT ── */
.page-wrap {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
  max-width: 1020px;
  min-height: 620px;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border2);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: fadeUp 0.6s cubic-bezier(0.22,1,0.36,1) both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ── LEFT PANEL (visual) ── */
.left-panel {
  background: linear-gradient(160deg, #0a1628 0%, #0d1f3c 50%, #081620 100%);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.left-panel::before {
  content: '';
  position: absolute;
  top: -40px;
  left: -40px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(0,212,170,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.left-panel::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -30px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,153,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,212,170,0.12);
  border: 1px solid rgba(0,212,170,0.25);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  width: fit-content;
}
.panel-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; } 50% { opacity: 0.3; }
}
.panel-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  line-height: 1.2;
  color: #f0f4ff;
  margin-top: 1.5rem;
}
.panel-headline em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.panel-sub {
  color: rgba(240,244,255,0.55);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  line-height: 1.6;
}

.panel-stats {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}
.stat-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stat-icon {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.stat-label { font-size: 0.82rem; color: rgba(240,244,255,0.45); }
.stat-value { font-size: 0.88rem; font-weight: 600; color: #f0f4ff; }



/* ── RIGHT PANEL (form) ── */
.right-panel {
  padding: 3rem 2.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--card);
}
.form-header { margin-bottom: 2rem; }
.form-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text);
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.form-subtitle {
  color: var(--text2);
  font-size: 0.88rem;
  margin-top: 0.5rem;
}
.form-subtitle a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.form-subtitle a:hover { text-decoration: underline; }


/* Form fields */
.field-group { display: flex; flex-direction: column; gap: 1rem; }
.field-wrap { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text2);
  letter-spacing: 0.03em;
}
.field-input-wrap { position: relative; }
.field-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 0.95rem;
  pointer-events: none;
  transition: color 0.2s;
}
.field-toggle {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 2px;
  transition: color 0.2s;
}
.field-toggle:hover { color: var(--text); }
.field-input {
  width: 100%;
  background: var(--bg2);
  border: 1.5px solid var(--border2);
  border-radius: 10px;
  padding: 11px 42px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.22s, box-shadow 0.22s, background 0.22s;
  outline: none;
}
.field-input::placeholder { color: var(--text3); }
.field-input:focus {
  border-color: var(--accent);
  background: var(--card2);
  box-shadow: 0 0 0 3px rgba(0,212,170,0.1);
}
.field-input:focus + .field-icon,
.field-input:focus ~ .field-icon { color: var(--accent); }
.field-input.error { border-color: var(--danger); }
.field-input.error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,0.12); }
.field-error {
  font-size: 0.85rem;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 5px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all 0.2s;
  pointer-events: none;
}
.field-error.show { opacity: 1; transform: translateY(0); }


/* Remember / forgot */
.form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
}
.remember-wrap { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.custom-check {
  width: 17px; height: 17px;
  background: var(--bg2);
  border: 1.5px solid var(--border2);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  position: relative;
}
.custom-check.checked {
  background: var(--accent);
  border-color: var(--accent);
}
.custom-check.checked::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}
.remember-label { font-size: 0.82rem; color: var(--text2); user-select: none; }
.forgot-link {
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}
.forgot-link:hover { opacity: 0.75; }

/* Submit button */
.btn-submit {
  width: 100%;
  padding: 13px 0;
  margin-top: 1.5rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  border: none;
  border-radius: 11px;
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 0.97rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: opacity 0.22s, transform 0.18s, box-shadow 0.22s;
  box-shadow: 0 4px 20px rgba(0,212,170,0.28);
}
.btn-submit:hover:not(:disabled) {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(0,212,170,0.38);
}
.btn-submit:active:not(:disabled) { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.65; cursor: not-allowed; }
.btn-submit .btn-text { transition: opacity 0.2s; }
.btn-submit.loading .btn-text { opacity: 0; }
.btn-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.btn-submit.loading .btn-spinner { opacity: 1; }
.btn-spinner svg {
  width: 22px; height: 22px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* Terms */
.terms-note {
  font-size: 0.76rem;
  color: var(--text3);
  text-align: center;
  margin-top: 1.2rem;
  line-height: 1.5;
}
.terms-note a { color: var(--text2); text-decoration: underline; }
.terms-note a:hover { color: var(--accent); }

/* ── PASSWORD STRENGTH ── */
.strength-bar { display: flex; gap: 4px; margin-top: 6px; }
.strength-seg {
  flex: 1; height: 3px; border-radius: 2px;
  background: var(--border2);
  transition: background 0.3s;
}
.strength-label { font-size: 0.75rem; color: var(--text3); margin-top: 4px; }
.strength-0 .strength-seg { background: var(--border2); }
.strength-1 .strength-seg:nth-child(1) { background: var(--danger); }
.strength-2 .strength-seg:nth-child(-n+2) { background: var(--warn); }
.strength-3 .strength-seg:nth-child(-n+3) { background: #3b82f6; }
.strength-4 .strength-seg { background: var(--accent); }

/* Responsive */
@media (max-width: 768px) {
  .split-layout {
    grid-template-columns: 1fr;
    max-width: 480px;
  }
  .left-panel { display: none; }
  .right-panel { padding: 2.5rem 1.8rem; }
  .name-row { grid-template-columns: 1fr; }
}