/* ===== Exercise 8: Forms & Persistent Data ===== */

:root{
  --bg: #fafaf9;
  --text: #1c1917;
  --muted: #78716c;
  --accent: #7f1d1d;
  --line: #e7e5e4;
  --dark: #111;
  --white: #fff;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'DM Mono', monospace;
}

body{
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container{
  width: 100%;
  max-width: 520px;
  padding: 40px 20px;
}

/* ===== LOGIN ===== */
.login-box{
  text-align: center;
}

.login-box h1{
  font-family: 'Bitcount Single', sans-serif;
  font-size: 3.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.login-box .subtitle{
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.form-group{
  margin-bottom: 20px;
  text-align: left;
}

.form-group label{
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea{
  width: 100%;
  padding: 12px 14px;
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  outline: none;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  border-color: var(--accent);
}

.form-group .error-msg{
  font-size: 0.7rem;
  color: var(--accent);
  margin-top: 4px;
  display: none;
}

.form-group.invalid .error-msg{
  display: block;
}

.form-group.invalid input,
.form-group.invalid select{
  border-color: var(--accent);
}

/* Radio & Checkbox */
.radio-group,
.checkbox-group{
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.radio-group label,
.checkbox-group label{
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.radio-group input,
.checkbox-group input{
  width: auto;
  accent-color: var(--accent);
}

/* Buttons */
.btn{
  width: 100%;
  padding: 14px;
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}

.btn-primary{
  background: var(--dark);
  color: var(--white);
}

.btn-primary:hover{
  background: var(--accent);
}

.btn-outline{
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  margin-top: 12px;
}

.btn-outline:hover{
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== DASHBOARD ===== */
.dashboard{
  display: none;
}

.dashboard-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.dashboard-header h1{
  font-family: 'Bitcount Single', sans-serif;
  font-size: 2rem;
  color: var(--accent);
}

.dashboard-header .welcome{
  font-size: 0.85rem;
  color: var(--muted);
}

.logout-btn{
  padding: 8px 20px;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.logout-btn:hover{
  border-color: var(--accent);
  color: var(--accent);
}

.profile-form h2{
  font-family: 'Bitcount Single', sans-serif;
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 24px;
}

.form-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.success-msg{
  text-align: center;
  padding: 12px;
  font-size: 0.8rem;
  color: #166534;
  background: #dcfce7;
  border: 1px solid #bbf7d0;
  margin-top: 16px;
  display: none;
}

@media (max-width: 480px){
  .form-row{
    grid-template-columns: 1fr;
  }
  .login-box h1{
    font-size: 2.5rem;
  }
}