/* =========================================
   LOGIN PANEL - PREMIUM GLASSMORPHISM
   (Sidebar Footer: Login, Guru, Logout)
   ========================================= */

/* Animasi masuk sidebar footer */
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(0, 242, 255, 0.3); }
  50%       { box-shadow: 0 0 20px rgba(0, 242, 255, 0.7), 0 0 40px rgba(0, 242, 255, 0.3); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* ── Sidebar Footer Wrapper ─────────────────── */
.sidebar-footer {
  margin-top: auto;
  padding: 16px 0 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: slideUpFade 0.5s ease both;
  animation-delay: 0.3s;
}

/* ── Input Kode Guru ────────────────────────── */
.input-guru {
  width: 100%;
  padding: 11px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(0, 242, 255, 0.25);
  border-radius: 10px;
  color: #e0f7ff;
  font-size: 0.85rem;
  font-family: "Poppins", sans-serif;
  letter-spacing: 2px;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.input-guru::placeholder {
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.5px;
  font-size: 0.78rem;
}

.input-guru:focus {
  outline: none;
  border-color: rgba(0, 242, 255, 0.7);
  background: rgba(0, 242, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 242, 255, 0.12),
              0 0 20px rgba(0, 242, 255, 0.15);
}

/* ── Tombol Google Login ─────────────────────── */
.btn-google {
  position: relative;
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  color: #3c4043;
  border: 1px solid #dadce0;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  font-family: "Poppins", sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15),
              0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.btn-google::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.6) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-google:hover::after {
  opacity: 1;
  animation: shimmer 0.6s ease forwards;
}

.btn-google:hover {
  background: #f8f9fa;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2),
              0 2px 8px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
  border-color: #bdc1c6;
}

.btn-google:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* ── Teks "Apakah Anda Guru?" ────────────────── */
#text-guru {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: color 0.2s ease;
  user-select: none;
  padding: 2px 0;
  position: relative;
  display: inline-block;
  width: 100%;
}

#text-guru::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: rgba(0, 242, 255, 0.6);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

#text-guru:hover {
  color: rgba(0, 242, 255, 0.85);
}

#text-guru:hover::after {
  width: 80%;
}

/* ── Tombol Logout ────────────────────────────── */
.btn-logout {
  position: relative;
  width: 100%;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.06);
  color: #aaa;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  font-size: 0.82rem;
  font-family: "Poppins", sans-serif;
  cursor: pointer;
  transition: all 0.25s ease;
  overflow: hidden;
}

.btn-logout::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 80, 80, 0.08), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-logout:hover {
  color: #ff7070;
  border-color: rgba(255, 80, 80, 0.4);
  background: rgba(255, 60, 60, 0.08);
  transform: translateY(-1px);
}

.btn-logout:hover::before {
  opacity: 1;
}

.btn-logout:active {
  transform: translateY(0);
}

/* ── Area Input Guru (Collapse Smooth) ───────── */
#guru-input-area {
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#guru-input-area:not(.hidden) {
  animation: slideUpFade 0.35s ease both;
}

/* ── Guru Login Button (inside sidebar) ──────── */
.btn-guru-submit {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, #11998e, #38ef7d);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.82rem;
  font-family: "Poppins", sans-serif;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.25s ease;
  animation: pulseGlow 3s ease-in-out infinite;
}

.btn-guru-submit:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(56, 239, 125, 0.4);
}

/* ── Role Badge Enhancement ───────────────────── */
#role-display {
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 1.5px;
  transition: all 0.3s ease;
}

/* ── Divider antara avatar & stats ───────────── */
.sidebar-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(0, 242, 255, 0.3),
    transparent
  );
  margin: 8px 0;
}