/* ============================================================
   LAYAR 2: LOGIN
   Kartu masuk, kolom isian, pesan error, dan animasi goyang.
   ============================================================ */

#login-screen {
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(600px circle at 10% 0%, var(--primary-light), transparent 60%),
    radial-gradient(500px circle at 100% 100%, var(--primary-light), transparent 60%),
    var(--bg-main);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-lg);
}

.auth-logo-img {
  height: 96px;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 4px 12px var(--accent-glow));
}

.auth-header { text-align: center; margin-bottom: 1.75rem; }
.auth-header h2 { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.25rem; }
.auth-header p { color: var(--text-muted); font-size: 0.85rem; }

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-wrapper { position: relative; display: flex; align-items: center; }
.input-wrapper .input-icon { position: absolute; left: 12px; color: var(--text-muted); pointer-events: none; }

.input-wrapper input {
  width: 100%;
  padding: 0.75rem 2.6rem 0.75rem 2.5rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-size: 16px; /* cegah zoom otomatis iOS */
  outline: none;
  transition: all 0.2s ease;
}

.input-wrapper input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

.toggle-pwd {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  display: flex;
  border-radius: 8px;
}
.toggle-pwd:hover { color: var(--primary); }

.error-msg {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 0.5rem;
  display: none;
  align-items: center;
  gap: 4px;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
.shake { animation: shake 0.4s ease-in-out; }