@import url('https://fonts.googleapis.com/css2?family=Lora:wght@400;500;600&family=DM+Sans:wght@300;400;500;600&display=swap');

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

:root {
  --cream:        #F7F6F3;
  --white:        #FFFFFF;
  --border:       #E8E6E1;
  --border-hover: #C9C6BE;
  --text-primary: #1A1915;
  --text-secondary: #6B6860;
  --text-muted:   #A09C94;
  --accent:       #2F2F2C;
  --accent-soft:  #F0EEE9;
  --tag-blue:     #E8F1FC;
  --tag-blue-text:#2563EB;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-lg:    0 12px 40px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --radius:       10px;
  --radius-sm:    6px;
  --transition:   0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  height: 100%;
  font-family: 'DM Sans', sans-serif;
  background-color: var(--cream);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

/* ─── Subtle dot grid background ─── */
body {
  background-image: radial-gradient(circle, #D3D0C8 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: center center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ─── Brand watermark top-left ─── */
body::before {
  content: 'SafeTaskApp';
  position: fixed;
  top: 24px;
  left: 28px;
  font-family: 'Lora', serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: var(--text-secondary);
  pointer-events: none;
  user-select: none;
}

/* ─── Decorative corner block ─── */
body::after {
  content: '';
  position: fixed;
  bottom: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  pointer-events: none;
}

/* ─── Container ─── */
.auth-container {
  width: 100%;
  max-width: 420px;
  position: relative;
}

/* ─── Card ─── */
.form-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px 36px;
  box-shadow: var(--shadow-md);
  animation: slideUp 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
  position: relative;
  overflow: hidden;
}

/* Notion-style top accent bar */
.form-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366F1 0%, #8B5CF6 50%, #D946EF 100%);
  opacity: 0.7;
}

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

/* ─── Header area ─── */
.form-box h2 {
  font-family: 'Lora', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.4px;
  margin-bottom: 6px;
}

/* Subtitle tag */
.form-box h2::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--border-hover);
  margin-top: 12px;
  border-radius: 2px;
}

/* ─── Page indicator chips ─── */
.page-chips {
  display: flex;
  gap: 6px;
  margin-bottom: 28px;
  margin-top: 4px;
}

.chip {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--cream);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.chip.active {
  background: var(--tag-blue);
  color: var(--tag-blue-text);
  border-color: #BFDBFE;
}

.chip:hover:not(.active) {
  border-color: var(--border-hover);
  color: var(--text-secondary);
}

/* ─── Input groups ─── */
.input-group {
  margin-bottom: 18px;
}

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.input-group input {
  width: 100%;
  padding: 10px 13px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14.5px;
  font-weight: 400;
  color: var(--text-primary);
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition);
  caret-color: #6366F1;
}

.input-group input::placeholder {
  color: var(--text-muted);
  font-size: 14px;
}

.input-group input:hover {
  border-color: var(--border-hover);
  background: #F3F1EC;
}

.input-group input:focus {
  border-color: #A5B4FC;
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.10);
}

/* ─── Submit button ─── */
.btn-primary {
  width: 100%;
  padding: 11px 20px;
  margin-top: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: 0.1px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}

.btn-primary:hover {
  background: #3D3D38;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-primary:hover::after {
  background: rgba(255,255,255,0.05);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ─── Divider ─── */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 18px;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider span {
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 400;
}

/* ─── Switch form text ─── */
.switch-form {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
}

.switch-form span {
  color: var(--tag-blue-text);
  cursor: pointer;
  font-weight: 500;
  transition: color var(--transition);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 2px;
}

.switch-form span:hover {
  color: #1D4ED8;
  text-decoration-color: currentColor;
}

/* ─── Footer note ─── */
.footer-note {
  text-align: center;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 28px;
  letter-spacing: 0.1px;
}

.footer-note a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

.footer-note a:hover {
  color: var(--text-primary);
}

/* ─── Hidden class ─── */
.hidden {
  display: none !important;
}

/* ─── Responsive ─── */
@media (max-width: 520px) {
  body {
    background-image: none;
    background-color: var(--cream);
    align-items: flex-start;
    padding: 0;
  }

  body::before {
    top: 16px;
    left: 16px;
  }

  body::after { display: none; }

  .auth-container {
    max-width: 100%;
    padding: 0;
  }

  .form-box {
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    box-shadow: none;
    padding: 52px 20px 36px;
    min-height: 100dvh;
  }

  .form-box h2 { font-size: 19px; }

  .pwd-rules { gap: 6px; }
  .pwd-rule  { font-size: 11.5px; }
}

@media (min-width: 521px) and (max-width: 640px) {
  body { padding: 16px; }
  .form-box { padding: 32px 24px 28px; }
}

/* ═══════════════════════════════════════
   PASSWORD STRENGTH CHECKER
═══════════════════════════════════════ */

/* ─── Strength bar ─── */
.pwd-strength-bar {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  height: 3px;
}
.pwd-bar-seg {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.25s ease;
}
.pwd-bar-seg.weak   { background: #EF4444; }
.pwd-bar-seg.medium { background: #F59E0B; }
.pwd-bar-seg.strong { background: #22C55E; }

/* ─── Strength label ─── */
.pwd-strength-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-top: 5px;
  min-height: 14px;
  transition: color 0.22s ease;
  color: var(--text-muted);
}
.pwd-strength-label.weak   { color: #EF4444; }
.pwd-strength-label.medium { color: #F59E0B; }
.pwd-strength-label.strong { color: #22C55E; }

/* ─── Requirements checklist ─── */
.pwd-rules {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
}
.pwd-rules.visible {
  max-height: 200px;
  opacity: 1;
}

.pwd-rule {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.pwd-rule.met {
  color: #16A34A;
}

/* ─── Rule icon ─── */
.pwd-rule-icon {
  width: 15px;
  height: 15px;
  min-width: 15px;
  min-height: 15px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
  background: var(--cream);
  overflow: hidden;
}
.pwd-rule.met .pwd-rule-icon {
  background: #DCFCE7;
  border-color: #86EFAC;
}
.pwd-rule-icon svg {
  width: 8px !important;
  height: 8px !important;
  max-width: 8px;
  max-height: 8px;
  display: block;
  stroke: var(--border-hover);
  transition: stroke 0.2s ease;
  opacity: 0;
  flex-shrink: 0;
}
.pwd-rule.met .pwd-rule-icon svg {
  stroke: #16A34A;
  opacity: 1;
}

/* ─── Input wrapper with eye toggle ─── */
.input-pwd-wrap {
  position: relative;
}
.input-pwd-wrap input {
  padding-right: 40px;
}
.pwd-toggle {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 3px;
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.pwd-toggle:hover { color: var(--text-secondary); }
.pwd-toggle svg   { width: 15px; height: 15px; }

/* ─── Alert banner ─── */
.auth-alert {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
  margin-bottom: 18px;
  border: 1px solid;
  animation: slideUp 0.25s ease both;
}
.auth-alert svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 1px; }
.auth-alert.error   {
  background: #FFF1F2; color: #9F1239;
  border-color: #FECDD3;
}
.auth-alert.success {
  background: #F0FDF4; color: #14532D;
  border-color: #BBF7D0;
}