/* Auth Modal & Forms - Strictly matching site design */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 15, 35, 0.85); /* var(--dark-primary) with opacity */
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--dark-secondary);
  border: 1px solid var(--dark-accent);
  border-radius: 24px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  transform: scale(0.95) translateY(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.visible .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: var(--brand-primary);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--dark-muted);
  color: white;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  background: var(--dark-primary);
  padding: 4px;
  border-radius: 12px;
  margin-bottom: 32px;
  border: 1px solid var(--dark-accent);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 10px;
  color: var(--dark-muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.auth-tab:hover {
  color: var(--dark-text);
}

.auth-tab.active {
  background: var(--dark-secondary);
  color: var(--brand-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Forms */
.auth-form {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

.auth-form.active {
  display: block;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--dark-muted);
  margin-bottom: 8px;
  margin-left: 2px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark-primary);
  border: 1px solid var(--dark-accent);
  border-radius: 12px;
  color: var(--dark-text);
  font-size: 15px;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder {
  color: rgba(226, 232, 240, 0.2); /* Muted placeholder */
}

.primary-btn {
  width: 100%;
  padding: 14px;
  margin-top: 12px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
  color: #ffffff !important; /* Force white text */
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  cursor: pointer;
  transition: all 0.2s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

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

.primary-btn:disabled {
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
  filter: grayscale(0.5);
}

.auth-error {
  margin-top: 20px;
  padding: 12px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--youtube-red);
  font-size: 13px;
  text-align: center;
  display: none;
}

.auth-error:not(:empty) {
  display: block;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* User Menu Styles */
.login-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
  color: #ffffff !important;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(102, 126, 234, 0.3);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px 4px 12px;
  border-radius: 30px;
  border: 1px solid var(--dark-accent);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.user-menu:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--brand-primary);
}

.user-avatar-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0,0,0,0.1);
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(16px);
  min-width: 180px;
  padding: 8px;
  display: none;
  z-index: 100;
  transform-origin: top right;
  animation: menuReveal 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.user-menu:hover .user-dropdown {
  display: block;
}

/* Invisible bridge to prevent menu closing when moving cursor from avatar to menu */
.user-menu::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 16px;
  background: transparent;
}

@keyframes menuReveal {
  from { 
    opacity: 0; 
    transform: translateY(-8px) scale(0.96); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

.user-dropdown-item {
  padding: 10px 16px;
  border-radius: 12px;
  margin-bottom: 2px;
  color: var(--dark-text);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
  border: 1px solid transparent;
}

.user-dropdown-item:last-child {
  margin-bottom: 0;
}

.user-dropdown-item i {
  color: var(--dark-muted);
  width: 16px;
  text-align: center;
  font-size: 14px;
  transition: color 0.2s;
}

.user-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: white;
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.05);
}

.user-dropdown-item:hover i {
  color: var(--brand-primary);
}