/* ════════ LOGIN PAGE ════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 60px;
  position: relative;
  z-index: 1;
}

/* Decorative blobs */
.login-page::before,
.login-page::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.login-page::before {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 229, 255, .08), transparent);
  top: 10%;
  left: -5%;
}

.login-page::after {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(123, 47, 255, .08), transparent);
  bottom: 10%;
  right: -5%;
}

.login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  animation: fadeUp .6s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
  box-shadow: 0 24px 80px var(--shadow), 0 0 0 1px rgba(0, 229, 255, .04);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .5;
}

.login-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(0, 229, 255, .06);
  border: 1px solid rgba(0, 229, 255, .2);
  border-radius: 100px;
  font-family: 'Space Mono', monospace;
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 20px;
}

.login-badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: .5;
    transform: scale(.8);
  }
}

.login-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.75rem;
  letter-spacing: -.03em;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.2;
}

.login-title span {
  color: var(--accent);
}

.login-subtitle {
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 28px;
}

/* Google Button */
.btn-google {
  width: 100%;
  padding: 13px 20px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all .25s;
  text-decoration: none;
  margin-bottom: 22px;
}

.btn-google:hover {
  border-color: rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .05);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
}

.google-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Divider */
.divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

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

.divider span {
  font-size: .78rem;
  color: var(--text-muted);
  font-family: 'Space Mono', monospace;
  letter-spacing: .04em;
  white-space: nowrap;
}

/* Form */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 7px;
  letter-spacing: .02em;
  font-family: 'Space Mono', monospace;
}

.form-input-wrap {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 12px 44px 12px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  transition: all .25s;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  background: rgba(0, 229, 255, .03);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .08);
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: .6;
}

.form-input-icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  line-height: 1;
}

.form-input-icon.clickable {
  pointer-events: auto;
  cursor: pointer;
  transition: color .2s;
}

.form-input-icon.clickable:hover {
  color: var(--accent);
}

.form-extra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  margin-top: -4px;
}

.form-check-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .82rem;
  color: var(--text-muted);
  cursor: pointer;
}

.form-check-label input {
  display: none;
}

.form-checkbox {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg2);
  transition: all .2s;
  flex-shrink: 0;
}

.form-check-label input:checked+.form-checkbox {
  background: var(--accent);
  border-color: var(--accent);
}

.form-check-label input:checked+.form-checkbox::after {
  content: '✓';
  font-size: .65rem;
  color: #000;
  font-weight: 700;
}

.form-link {
  font-size: .82rem;
  color: var(--accent);
  text-decoration: none;
  transition: opacity .2s;
}

.form-link:hover {
  opacity: .7;
}

.btn-login {
  width: 100%;
  padding: 14px 20px;
  background: var(--accent);
  color: #000;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all .25s;
  letter-spacing: .02em;
  box-shadow: 0 0 30px rgba(0, 229, 255, .25);
  margin-bottom: 24px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px rgba(0, 229, 255, .4), 0 8px 24px rgba(0, 0, 0, .2);
}

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

/* Register hint */
.register-hint {
  padding: 18px 20px;
  background: rgba(123, 47, 255, .06);
  border: 1px solid rgba(123, 47, 255, .15);
  border-radius: 12px;
  text-align: center;
}

.register-hint p {
  font-size: .82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.register-hint p strong {
  color: var(--text);
  font-weight: 500;
}

.btn-courses {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  background: transparent;
  border: 1px solid rgba(123, 47, 255, .4);
  border-radius: 10px;
  color: var(--accent2);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: .82rem;
  text-decoration: none;
  transition: all .25s;
  letter-spacing: .02em;
}

[data-theme="light"] .btn-courses {
  color: var(--accent2);
  border-color: rgba(96, 32, 204, .35);
}

.btn-courses:hover {
  background: rgba(123, 47, 255, .1);
  border-color: rgba(123, 47, 255, .6);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(123, 47, 255, .15);
}

/* FORM ERROR */
.text-danger {
  color: #e74c3c;
  font-size: 0.85rem;
  margin-top: 5px;
  display: block;
  font-weight: 500;
  animation: fadeIn 0.3s ease-in-out;
}

.has-error .form-input {
  border-color: #e74c3c !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media(max-width:900px) {
  .login-card {
    padding: 32px 24px;
  }
}